* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231208074438.4102005-1-lizhi.xu@windriver.com>
@ 2023-12-08 8:17 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 8:17 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
lib/radix-tree.c:591:17: error: implicit declaration of function 'node_tag_set'; did you mean 'root_tag_set'? [-Werror=implicit-function-declaration]
lib/radix-tree.c:594:25: error: implicit declaration of function 'node_tag_clear'; did you mean 'root_tag_clear'? [-Werror=implicit-function-declaration]
lib/radix-tree.c:596:9: error: implicit declaration of function 'replace_slot'; did you mean 'replace_fops'? [-Werror=implicit-function-declaration]
lib/radix-tree.c:843:13: error: static declaration of 'replace_slot' follows non-static declaration
lib/radix-tree.c:958:13: error: static declaration of 'node_tag_set' follows non-static declaration
lib/radix-tree.c:1015:13: error: static declaration of 'node_tag_clear' follows non-static declaration
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=178c2ed4e80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231211051540.1882463-1-lizhi.xu@windriver.com>
@ 2023-12-11 5:52 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-11 5:52 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+006987d1be3586e13555@syzkaller.appspotmail.com
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=10325ab6e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1654f06ce80000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231211042442.1442601-1-lizhi.xu@windriver.com>
@ 2023-12-11 4:41 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-11 4:41 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
BUG: unable to handle kernel NULL pointer dereference in radix_tree_insert
RBP: 00007fe1bdd63120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fe1bd19bf80 R15: 00007ffff40ae278
</TASK>
nc: 0000000000000000
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 11abdb067 P4D 11abdb067 PUD 11a311067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 5752 Comm: syz-executor.0 Not tainted 6.7.0-rc4-syzkaller-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:radix_tree_descend lib/radix-tree.c:88 [inline]
RIP: 0010:__radix_tree_create lib/radix-tree.c:655 [inline]
RIP: 0010:radix_tree_insert+0x379/0x400 lib/radix-tree.c:730
Code: ba 89 fc 89 de 44 89 ef e8 54 b3 89 fc 41 39 dd 73 6e e8 ea ba 89 fc 4c 8b 7c 24 10 4c 89 f0 41 83 c5 06 48 c7 c7 b5 cf a7 85 <41> 0f b6 0f 48 d3 e8 83 e0 3f 48 83 c0 04 49 8b 5c c7 08 48 89 de
RSP: 0018:ffffc900049d3c18 EFLAGS: 00010202
RAX: fffffffffffffffe RBX: 0000000000000042 RCX: ffffffff84b526dc
RDX: ffff888106cc0000 RSI: ffffffff84b526e6 RDI: ffffffff85a7cfb5
RBP: 000000000000003f R08: 0000000000000004 R09: 0000000000000024
R10: 0000000000000042 R11: 205d323537355420 R12: ffff88810b7746d8
R13: 000000000000002a R14: fffffffffffffffe R15: 0000000000000000
FS: 00007fe1bdd636c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ae79000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x52/0xa0 net/socket.c:745
sock_write_iter+0xfb/0x180 net/socket.c:1158
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x327/0x590 fs/read_write.c:584
ksys_write+0x13b/0x170 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe1bd07cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe1bdd630c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe1bd19bf80 RCX: 00007fe1bd07cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fe1bdd63120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fe1bd19bf80 R15: 00007ffff40ae278
</TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:radix_tree_descend lib/radix-tree.c:88 [inline]
RIP: 0010:__radix_tree_create lib/radix-tree.c:655 [inline]
RIP: 0010:radix_tree_insert+0x379/0x400 lib/radix-tree.c:730
Code: ba 89 fc 89 de 44 89 ef e8 54 b3 89 fc 41 39 dd 73 6e e8 ea ba 89 fc 4c 8b 7c 24 10 4c 89 f0 41 83 c5 06 48 c7 c7 b5 cf a7 85 <41> 0f b6 0f 48 d3 e8 83 e0 3f 48 83 c0 04 49 8b 5c c7 08 48 89 de
RSP: 0018:ffffc900049d3c18 EFLAGS: 00010202
RAX: fffffffffffffffe RBX: 0000000000000042 RCX: ffffffff84b526dc
RDX: ffff888106cc0000 RSI: ffffffff84b526e6 RDI: ffffffff85a7cfb5
RBP: 000000000000003f R08: 0000000000000004 R09: 0000000000000024
R10: 0000000000000042 R11: 205d323537355420 R12: ffff88810b7746d8
R13: 000000000000002a R14: fffffffffffffffe R15: 0000000000000000
FS: 00007fe1bdd636c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ae79000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: ba 89 fc 89 de mov $0xde89fc89,%edx
5: 44 89 ef mov %r13d,%edi
8: e8 54 b3 89 fc call 0xfc89b361
d: 41 39 dd cmp %ebx,%r13d
10: 73 6e jae 0x80
12: e8 ea ba 89 fc call 0xfc89bb01
17: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
1c: 4c 89 f0 mov %r14,%rax
1f: 41 83 c5 06 add $0x6,%r13d
23: 48 c7 c7 b5 cf a7 85 mov $0xffffffff85a7cfb5,%rdi
* 2a: 41 0f b6 0f movzbl (%r15),%ecx <-- trapping instruction
2e: 48 d3 e8 shr %cl,%rax
31: 83 e0 3f and $0x3f,%eax
34: 48 83 c0 04 add $0x4,%rax
38: 49 8b 5c c7 08 mov 0x8(%r15,%rax,8),%rbx
3d: 48 89 de mov %rbx,%rsi
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1263f02ae80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=14707d0ae80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_5DCBB36DE37A697AA3A5A44C176557784605@qq.com>
@ 2023-12-10 8:13 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 8:13 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
2023/12/10 08:04:23 executed programs: 3
BUG: memory leak
unreferenced object 0xffff88810b920000 (size 576):
comm "syz-executor.0", pid 5753, jiffies 4294945520 (age 13.500s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
30 79 97 0c 81 88 ff ff 18 00 92 0b 81 88 ff ff 0y..............
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10d0>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10d0>] qrtr_node_enqueue+0x5d0/0x6a0 net/qrtr/af_qrtr.c:356
[<ffffffff84ae2786>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:899
[<ffffffff84ae3362>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:1000
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810b920248 (size 576):
comm "syz-executor.0", pid 5753, jiffies 4294945520 (age 13.500s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 00 00 92 0b 81 88 ff ff 6...............
30 79 97 0c 81 88 ff ff 60 02 92 0b 81 88 ff ff 0y......`.......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10d0>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10d0>] qrtr_node_enqueue+0x5d0/0x6a0 net/qrtr/af_qrtr.c:356
[<ffffffff84ae2786>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:899
[<ffffffff84ae3362>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:1000
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810b920490 (size 576):
comm "syz-executor.0", pid 5753, jiffies 4294945520 (age 13.500s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 48 02 92 0b 81 88 ff ff 0?......H.......
30 79 97 0c 81 88 ff ff a8 04 92 0b 81 88 ff ff 0y..............
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10d0>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10d0>] qrtr_node_enqueue+0x5d0/0x6a0 net/qrtr/af_qrtr.c:356
[<ffffffff84ae2786>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:899
[<ffffffff84ae3362>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:1000
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810b9206d8 (size 576):
comm "syz-executor.0", pid 5753, jiffies 4294945520 (age 13.500s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 90 04 92 0b 81 88 ff ff *?..............
30 79 97 0c 81 88 ff ff f0 06 92 0b 81 88 ff ff 0y..............
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10d0>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10d0>] qrtr_node_enqueue+0x5d0/0x6a0 net/qrtr/af_qrtr.c:356
[<ffffffff84ae2786>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:899
[<ffffffff84ae3362>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:1000
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=120e98b2e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=13605feee80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_F5872516BA75BB5A33CC9E661B2F4BB81B08@qq.com>
@ 2023-12-10 6:30 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 6:30 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
2023/12/10 06:24:31 executed programs: 3
BUG: memory leak
unreferenced object 0xffff88810dca76d0 (size 576):
comm "syz-executor.0", pid 5751, jiffies 4294945011 (age 13.020s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
30 76 57 0c 81 88 ff ff e8 76 ca 0d 81 88 ff ff 0vW......v......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10b8>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10b8>] qrtr_node_enqueue+0x5b8/0x670 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2756>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3332>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810dca66d8 (size 576):
comm "syz-executor.0", pid 5751, jiffies 4294945011 (age 13.020s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 d0 76 ca 0d 81 88 ff ff 6........v......
30 76 57 0c 81 88 ff ff f0 66 ca 0d 81 88 ff ff 0vW......f......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10b8>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10b8>] qrtr_node_enqueue+0x5b8/0x670 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2756>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3332>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810dd0f488 (size 576):
comm "syz-executor.0", pid 5751, jiffies 4294945011 (age 13.020s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 d8 66 ca 0d 81 88 ff ff 0?.......f......
30 76 57 0c 81 88 ff ff a0 f4 d0 0d 81 88 ff ff 0vW.............
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10b8>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10b8>] qrtr_node_enqueue+0x5b8/0x670 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2756>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3332>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff8881005e0000 (size 576):
comm "syz-executor.0", pid 5751, jiffies 4294945011 (age 13.020s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 88 f4 d0 0d 81 88 ff ff *?..............
30 76 57 0c 81 88 ff ff 18 00 5e 00 81 88 ff ff 0vW.......^.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:636 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:724
[<ffffffff84ae10b8>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae10b8>] qrtr_node_enqueue+0x5b8/0x670 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2756>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3332>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de2f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de2f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=17e587dae80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1626d7eee80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_9CCF8C7BE26EA02CF16DE894A8E88EEDA60A@qq.com>
@ 2023-12-10 5:39 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 5:39 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+006987d1be3586e13555@syzkaller.appspotmail.com
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=113d92bce80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=11778c96e80000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_FDEC79DE6C3C2C356F409770E8F6EFC2CE0A@qq.com>
@ 2023-12-10 4:48 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 4:48 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
BUG: memory leak
unreferenced object 0xffff88810bad6db0 (size 576):
comm "syz-executor.0", pid 5766, jiffies 4294945919 (age 13.560s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
f0 b3 c9 1b 81 88 ff ff c8 6d ad 0b 81 88 ff ff .........m......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b5252b>] __radix_tree_create lib/radix-tree.c:628 [inline]
[<ffffffff84b5252b>] radix_tree_insert+0x16b/0x3a0 lib/radix-tree.c:717
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x640 net/qrtr/af_qrtr.c:349
[<ffffffff84ae2726>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:892
[<ffffffff84ae3302>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:993
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de4f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de4f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c246000 (size 576):
comm "syz-executor.0", pid 5766, jiffies 4294945920 (age 13.550s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 b0 6d ad 0b 81 88 ff ff 6........m......
f0 b3 c9 1b 81 88 ff ff 18 60 24 0c 81 88 ff ff .........`$.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b5252b>] __radix_tree_create lib/radix-tree.c:628 [inline]
[<ffffffff84b5252b>] radix_tree_insert+0x16b/0x3a0 lib/radix-tree.c:717
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x640 net/qrtr/af_qrtr.c:349
[<ffffffff84ae2726>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:892
[<ffffffff84ae3302>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:993
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de4f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de4f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c246248 (size 576):
comm "syz-executor.0", pid 5766, jiffies 4294945921 (age 13.540s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 00 60 24 0c 81 88 ff ff 0?.......`$.....
f0 b3 c9 1b 81 88 ff ff 60 62 24 0c 81 88 ff ff ........`b$.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b5252b>] __radix_tree_create lib/radix-tree.c:628 [inline]
[<ffffffff84b5252b>] radix_tree_insert+0x16b/0x3a0 lib/radix-tree.c:717
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x640 net/qrtr/af_qrtr.c:349
[<ffffffff84ae2726>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:892
[<ffffffff84ae3302>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:993
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de4f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de4f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c246490 (size 576):
comm "syz-executor.0", pid 5766, jiffies 4294945921 (age 13.540s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 48 62 24 0c 81 88 ff ff *?......Hb$.....
f0 b3 c9 1b 81 88 ff ff a8 64 24 0c 81 88 ff ff .........d$.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b5252b>] __radix_tree_create lib/radix-tree.c:628 [inline]
[<ffffffff84b5252b>] radix_tree_insert+0x16b/0x3a0 lib/radix-tree.c:717
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x640 net/qrtr/af_qrtr.c:349
[<ffffffff84ae2726>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:892
[<ffffffff84ae3302>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:993
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6de4f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6de4f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=151b7d6ce80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1242ef32e80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_1571C9B12ED06EED4CAC67FD86C052FC4606@qq.com>
@ 2023-12-10 4:08 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 4:08 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
2023/12/10 04:02:40 executed programs: 1
BUG: memory leak
unreferenced object 0xffff88810e4ac248 (size 576):
comm "syz-executor.0", pid 5510, jiffies 4294944556 (age 13.040s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
30 3c 8d 1a 81 88 ff ff 60 c2 4a 0e 81 88 ff ff 0<......`.J.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae1012>] qrtr_tx_wait net/qrtr/af_qrtr.c:281 [inline]
[<ffffffff84ae1012>] qrtr_node_enqueue+0x512/0x6d0 net/qrtr/af_qrtr.c:354
[<ffffffff84ae27b6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3392>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e4ac000 (size 576):
comm "syz-executor.0", pid 5510, jiffies 4294944556 (age 13.040s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 48 c2 4a 0e 81 88 ff ff 6.......H.J.....
30 3c 8d 1a 81 88 ff ff 18 c0 4a 0e 81 88 ff ff 0<........J.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae1012>] qrtr_tx_wait net/qrtr/af_qrtr.c:281 [inline]
[<ffffffff84ae1012>] qrtr_node_enqueue+0x512/0x6d0 net/qrtr/af_qrtr.c:354
[<ffffffff84ae27b6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3392>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e4adda8 (size 576):
comm "syz-executor.0", pid 5510, jiffies 4294944556 (age 13.040s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 00 c0 4a 0e 81 88 ff ff 0?........J.....
30 3c 8d 1a 81 88 ff ff c0 dd 4a 0e 81 88 ff ff 0<........J.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae1012>] qrtr_tx_wait net/qrtr/af_qrtr.c:281 [inline]
[<ffffffff84ae1012>] qrtr_node_enqueue+0x512/0x6d0 net/qrtr/af_qrtr.c:354
[<ffffffff84ae27b6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3392>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e4da000 (size 576):
comm "syz-executor.0", pid 5510, jiffies 4294944556 (age 13.040s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 a8 dd 4a 0e 81 88 ff ff *?........J.....
30 3c 8d 1a 81 88 ff ff 18 a0 4d 0e 81 88 ff ff 0<........M.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae1012>] qrtr_tx_wait net/qrtr/af_qrtr.c:281 [inline]
[<ffffffff84ae1012>] qrtr_node_enqueue+0x512/0x6d0 net/qrtr/af_qrtr.c:354
[<ffffffff84ae27b6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3392>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1485aebce80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=10dfa02ae80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_0E30CFAC0DE825820DBC923D5DE75DAF1907@qq.com>
@ 2023-12-10 1:19 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-10 1:19 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
BUG: memory leak
unreferenced object 0xffff88810e5afda8 (size 576):
comm "syz-executor.0", pid 5489, jiffies 4294944355 (age 12.710s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
70 ee 73 1b 81 88 ff ff c0 fd 5a 0e 81 88 ff ff p.s.......Z.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae108c>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae108c>] qrtr_node_enqueue+0x58c/0x660 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2746>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3322>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e5ec248 (size 576):
comm "syz-executor.0", pid 5489, jiffies 4294944355 (age 12.710s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 a8 fd 5a 0e 81 88 ff ff 6.........Z.....
70 ee 73 1b 81 88 ff ff 60 c2 5e 0e 81 88 ff ff p.s.....`.^.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae108c>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae108c>] qrtr_node_enqueue+0x58c/0x660 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2746>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3322>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e635488 (size 576):
comm "syz-executor.0", pid 5489, jiffies 4294944355 (age 12.710s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 48 c2 5e 0e 81 88 ff ff 0?......H.^.....
70 ee 73 1b 81 88 ff ff a0 54 63 0e 81 88 ff ff p.s......Tc.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae108c>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae108c>] qrtr_node_enqueue+0x58c/0x660 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2746>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3322>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810e4fa000 (size 576):
comm "syz-executor.0", pid 5489, jiffies 4294944355 (age 12.710s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 88 54 63 0e 81 88 ff ff *?.......Tc.....
70 ee 73 1b 81 88 ff ff 18 a0 4f 0e 81 88 ff ff p.s.......O.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae108c>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae108c>] qrtr_node_enqueue+0x58c/0x660 net/qrtr/af_qrtr.c:354
[<ffffffff84ae2746>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:897
[<ffffffff84ae3322>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:998
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15858332e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=15b888b6e80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_140DE9120A5D895DEA192FCF900D9FA5F807@qq.com>
@ 2023-12-09 7:10 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-09 7:10 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
net/qrtr/af_qrtr.c:293:44: error: 'struct qrtr_tx_flow' has no member named 'failed'; did you mean 'tx_failed'?
net/qrtr/af_qrtr.c:299:49: error: 'struct qrtr_tx_flow' has no member named 'failed'; did you mean 'tx_failed'?
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=11343fcae80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_366443176A9766C6D8D36A8374896363B605@qq.com>
@ 2023-12-09 7:05 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-09 7:05 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
net/qrtr/af_qrtr.c:293:44: error: 'struct qrtr_tx_flow' has no member named 'failed'; did you mean 'tx_failed'?
net/qrtr/af_qrtr.c:299:49: error: 'struct qrtr_tx_flow' has no member named 'failed'; did you mean 'tx_failed'?
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1508339ce80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <tencent_170675C9766F66183C77360A96A237AE4B09@qq.com>
@ 2023-12-09 5:17 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-09 5:17 UTC (permalink / raw)
To: eadavis, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+006987d1be3586e13555@syzkaller.appspotmail.com
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=14433bdae80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=14de5e6ce80000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231208094538.2466543-1-lizhi.xu@windriver.com>
@ 2023-12-08 10:59 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 10:59 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in radix_tree_insert
2023/12/08 10:49:43 executed programs: 1
BUG: memory leak
unreferenced object 0xffff88810c5a6000 (size 576):
comm "syz-executor.0", pid 5491, jiffies 4294944531 (age 12.550s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
b0 ed 2e 1b 81 88 ff ff 18 60 5a 0c 81 88 ff ff .........`Z.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:278
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:626 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x370 lib/radix-tree.c:714
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae2716>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32f2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6dddf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6dddf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c5a6248 (size 576):
comm "syz-executor.0", pid 5491, jiffies 4294944531 (age 12.550s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 00 60 5a 0c 81 88 ff ff 6........`Z.....
b0 ed 2e 1b 81 88 ff ff 60 62 5a 0c 81 88 ff ff ........`bZ.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:278
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:626 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x370 lib/radix-tree.c:714
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae2716>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32f2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6dddf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6dddf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c5a6490 (size 576):
comm "syz-executor.0", pid 5491, jiffies 4294944531 (age 12.550s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 48 62 5a 0c 81 88 ff ff 0?......HbZ.....
b0 ed 2e 1b 81 88 ff ff a8 64 5a 0c 81 88 ff ff .........dZ.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:278
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:626 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x370 lib/radix-tree.c:714
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae2716>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32f2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6dddf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6dddf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c5a66d8 (size 576):
comm "syz-executor.0", pid 5491, jiffies 4294944531 (age 12.550s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 90 64 5a 0c 81 88 ff ff *?.......dZ.....
b0 ed 2e 1b 81 88 ff ff f0 66 5a 0c 81 88 ff ff .........fZ.....
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:278
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:626 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x370 lib/radix-tree.c:714
[<ffffffff84ae107d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae107d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae2716>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32f2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c42>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c42>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d8b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6dddf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6dddf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=102f9bcae80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1369870ee80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231208065944.3611430-1-lizhi.xu@windriver.com>
@ 2023-12-08 7:16 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 7:16 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to apply patch:
checking file lib/radix-tree.c
misordered hunks! output would be garbled
Hunk #2 FAILED at 581.
Hunk #3 succeeded at 1363 (offset -4 lines).
1 out of 3 hunks FAILED
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=15fee232e80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231208055640.1895881-1-lizhi.xu@windriver.com>
@ 2023-12-08 6:15 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 6:15 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to apply patch:
checking file lib/radix-tree.c
misordered hunks! output would be garbled
Hunk #2 FAILED at 57.
1 out of 2 hunks FAILED
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=149841cae80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
[not found] <20231208041309.2699993-1-lizhi.xu@windriver.com>
@ 2023-12-08 5:17 ` syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 5:17 UTC (permalink / raw)
To: linux-kernel, lizhi.xu, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
lib/radix-tree.c:718:17: error: implicit declaration of function '__radix_tree_delete'; did you mean 'radix_tree_delete'? [-Werror=implicit-function-declaration]
lib/radix-tree.c:1366:13: error: conflicting types for '__radix_tree_delete'; have 'bool(struct xarray *, struct xa_node *, void **)' {aka '_Bool(struct xarray *, struct xa_node *, void **)'}
Tested on:
commit: 33cc938e Linux 6.7-rc4
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1472fe6ce80000
^ permalink raw reply [flat|nested] 17+ messages in thread
* [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert (2)
@ 2023-12-08 0:52 syzbot
0 siblings, 0 replies; 17+ messages in thread
From: syzbot @ 2023-12-08 0:52 UTC (permalink / raw)
To: davem, edumazet, kuba, linux-arm-msm, linux-kernel, mani, netdev,
pabeni, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 33cc938e65a9 Linux 6.7-rc4
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16ddf83ce80000
kernel config: https://syzkaller.appspot.com/x/.config?x=37d1b8bb20150e6
dashboard link: https://syzkaller.appspot.com/bug?extid=006987d1be3586e13555
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10276ebae80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128c50d2e80000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bd6d7a5ff2af/disk-33cc938e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ce91b40ecddb/vmlinux-33cc938e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5507257fe99e/bzImage-33cc938e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+006987d1be3586e13555@syzkaller.appspotmail.com
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
BUG: memory leak
unreferenced object 0xffff88810bbf56d8 (size 576):
comm "syz-executor250", pid 5051, jiffies 4294951219 (age 12.920s)
hex dump (first 32 bytes):
3c 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
f0 a9 2d 0c 81 88 ff ff f0 56 bf 0b 81 88 ff ff ..-......V......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae105d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae105d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae26f6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32d2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c32>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c32>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d7b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810bbf5920 (size 576):
comm "syz-executor250", pid 5051, jiffies 4294951219 (age 12.920s)
hex dump (first 32 bytes):
36 0f 01 00 00 00 00 00 d8 56 bf 0b 81 88 ff ff 6........V......
f0 a9 2d 0c 81 88 ff ff 38 59 bf 0b 81 88 ff ff ..-.....8Y......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae105d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae105d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae26f6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32d2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c32>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c32>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d7b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c832000 (size 576):
comm "syz-executor250", pid 5051, jiffies 4294951219 (age 12.920s)
hex dump (first 32 bytes):
30 3f 01 00 00 00 00 00 20 59 bf 0b 81 88 ff ff 0?...... Y......
f0 a9 2d 0c 81 88 ff ff 18 20 83 0c 81 88 ff ff ..-...... ......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae105d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae105d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae26f6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32d2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c32>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c32>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d7b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
BUG: memory leak
unreferenced object 0xffff88810c832248 (size 576):
comm "syz-executor250", pid 5051, jiffies 4294951219 (age 12.920s)
hex dump (first 32 bytes):
2a 3f 00 00 00 00 00 00 00 20 83 0c 81 88 ff ff *?....... ......
f0 a9 2d 0c 81 88 ff ff 60 22 83 0c 81 88 ff ff ..-.....`"......
backtrace:
[<ffffffff81631398>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
[<ffffffff81631398>] slab_post_alloc_hook mm/slab.h:766 [inline]
[<ffffffff81631398>] slab_alloc_node mm/slub.c:3478 [inline]
[<ffffffff81631398>] slab_alloc mm/slub.c:3486 [inline]
[<ffffffff81631398>] __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
[<ffffffff81631398>] kmem_cache_alloc+0x298/0x430 mm/slub.c:3502
[<ffffffff84b5094c>] radix_tree_node_alloc.constprop.0+0x7c/0x1a0 lib/radix-tree.c:276
[<ffffffff84b524cf>] __radix_tree_create lib/radix-tree.c:624 [inline]
[<ffffffff84b524cf>] radix_tree_insert+0x14f/0x360 lib/radix-tree.c:712
[<ffffffff84ae105d>] qrtr_tx_wait net/qrtr/af_qrtr.c:277 [inline]
[<ffffffff84ae105d>] qrtr_node_enqueue+0x57d/0x630 net/qrtr/af_qrtr.c:348
[<ffffffff84ae26f6>] qrtr_bcast_enqueue+0x66/0xd0 net/qrtr/af_qrtr.c:891
[<ffffffff84ae32d2>] qrtr_sendmsg+0x232/0x450 net/qrtr/af_qrtr.c:992
[<ffffffff83ec3c32>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff83ec3c32>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
[<ffffffff83ec3d7b>] sock_write_iter+0xfb/0x180 net/socket.c:1158
[<ffffffff816961a7>] call_write_iter include/linux/fs.h:2020 [inline]
[<ffffffff816961a7>] new_sync_write fs/read_write.c:491 [inline]
[<ffffffff816961a7>] vfs_write+0x327/0x590 fs/read_write.c:584
[<ffffffff816966fb>] ksys_write+0x13b/0x170 fs/read_write.c:637
[<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
[<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
[<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
---
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