* [syzbot] [jfs?] KASAN: use-after-free Read in lbmIODone (2)
@ 2023-03-01 21:54 syzbot
2023-07-12 21:20 ` syzbot
0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2023-03-01 21:54 UTC (permalink / raw)
To: axboe, jfs-discussion, kch, linux-fsdevel, linux-kernel, shaggy,
syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 6e50979a9c87 Merge tag 'mm-hotfixes-stable-2023-01-16-15-2..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1418f239480000
kernel config: https://syzkaller.appspot.com/x/.config?x=e71bc04dc70cc888
dashboard link: https://syzkaller.appspot.com/bug?extid=aca408372ef0b470a3d2
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77e5e16121b6/disk-6e50979a.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1aff34bbf93f/vmlinux-6e50979a.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c04a4948cd33/bzImage-6e50979a.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+aca408372ef0b470a3d2@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline]
BUG: KASAN: use-after-free in do_raw_spin_lock+0x265/0x2b0 kernel/locking/spinlock_debug.c:114
Read of size 4 at addr ffff888078e11954 by task ksoftirqd/1/20
CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 6.2.0-rc4-syzkaller-00031-g6e50979a9c87 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:306 [inline]
print_report+0x15e/0x461 mm/kasan/report.c:417
kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline]
do_raw_spin_lock+0x265/0x2b0 kernel/locking/spinlock_debug.c:114
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x45/0x60 kernel/locking/spinlock.c:162
__wake_up_common_lock+0xb8/0x140 kernel/sched/wait.c:137
lbmIODone+0x4e7/0x10d0 fs/jfs/jfs_logmgr.c:2280
bio_endio+0x651/0x7f0 block/bio.c:1615
req_bio_endio block/blk-mq.c:794 [inline]
blk_update_request+0x436/0x1380 block/blk-mq.c:926
blk_mq_end_request+0x4f/0x80 block/blk-mq.c:1053
lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370
blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1131
__do_softirq+0x1fb/0xadc kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:934 [inline]
run_ksoftirqd+0x31/0x60 kernel/softirq.c:926
smpboot_thread_fn+0x659/0xa20 kernel/smpboot.c:164
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Allocated by task 12940:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:371 [inline]
____kasan_kmalloc mm/kasan/common.c:330 [inline]
__kasan_kmalloc+0xa3/0xb0 mm/kasan/common.c:380
kmalloc include/linux/slab.h:580 [inline]
lbmLogInit fs/jfs/jfs_logmgr.c:1822 [inline]
lmLogInit+0x3b3/0x17a0 fs/jfs/jfs_logmgr.c:1270
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7c7/0x13e0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2ed/0x690 fs/jfs/jfs_mount.c:257
jfs_fill_super+0x9c0/0xc80 fs/jfs/super.c:565
mount_bdev+0x351/0x410 fs/super.c:1359
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
do_new_mount fs/namespace.c:3145 [inline]
path_mount+0x132a/0x1e20 fs/namespace.c:3475
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount fs/namespace.c:3674 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3674
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 12940:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:518
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x13b/0x1a0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:177 [inline]
__cache_free mm/slab.c:3394 [inline]
__do_kmem_cache_free mm/slab.c:3580 [inline]
__kmem_cache_free+0xcd/0x3b0 mm/slab.c:3587
lbmLogShutdown fs/jfs/jfs_logmgr.c:1865 [inline]
lmLogInit+0xb5d/0x17a0 fs/jfs/jfs_logmgr.c:1416
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7c7/0x13e0 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2ed/0x690 fs/jfs/jfs_mount.c:257
jfs_fill_super+0x9c0/0xc80 fs/jfs/super.c:565
mount_bdev+0x351/0x410 fs/super.c:1359
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
do_new_mount fs/namespace.c:3145 [inline]
path_mount+0x132a/0x1e20 fs/namespace.c:3475
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount fs/namespace.c:3674 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3674
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Last potentially related work creation:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
__kasan_record_aux_stack+0x7b/0x90 mm/kasan/generic.c:488
__call_rcu_common.constprop.0+0x99/0x820 kernel/rcu/tree.c:2755
neigh_parms_release net/core/neighbour.c:1759 [inline]
neigh_parms_release+0x209/0x290 net/core/neighbour.c:1750
addrconf_ifdown.isra.0+0x1394/0x1920 net/ipv6/addrconf.c:3904
addrconf_notify+0x109/0x1c80 net/ipv6/addrconf.c:3673
notifier_call_chain+0xb5/0x200 kernel/notifier.c:87
call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1944
call_netdevice_notifiers_extack net/core/dev.c:1982 [inline]
call_netdevice_notifiers net/core/dev.c:1996 [inline]
unregister_netdevice_many_notify+0xa2b/0x19e0 net/core/dev.c:10839
sit_exit_batch_net+0x534/0x750 net/ipv6/sit.c:1885
ops_exit_list+0x125/0x170 net/core/net_namespace.c:174
setup_net+0x9bd/0xe60 net/core/net_namespace.c:356
copy_net_ns+0x31b/0x6b0 net/core/net_namespace.c:483
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30d3/0x7520 kernel/fork.c:2269
kernel_clone+0xeb/0x990 kernel/fork.c:2681
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2980
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The buggy address belongs to the object at ffff888078e11900
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 84 bytes inside of
192-byte region [ffff888078e11900, ffff888078e119c0)
The buggy address belongs to the physical page:
page:ffffea0001e38440 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78e11
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffff888012440000 ffffea00005ddc10 ffffea000083aad0
raw: 0000000000000000 ffff888078e11000 0000000100000010 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x3420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_HARDWALL|__GFP_THISNODE), pid 6321, tgid 6313 (syz-executor.5), ts 258457552713, free_ts 250035506651
prep_new_page mm/page_alloc.c:2531 [inline]
get_page_from_freelist+0x119c/0x2ce0 mm/page_alloc.c:4283
__alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5549
__alloc_pages_node include/linux/gfp.h:237 [inline]
kmem_getpages mm/slab.c:1363 [inline]
cache_grow_begin+0x94/0x390 mm/slab.c:2574
cache_alloc_refill+0x27f/0x380 mm/slab.c:2947
____cache_alloc mm/slab.c:3023 [inline]
____cache_alloc mm/slab.c:3006 [inline]
__do_cache_alloc mm/slab.c:3206 [inline]
slab_alloc_node mm/slab.c:3254 [inline]
__kmem_cache_alloc_node+0x44f/0x510 mm/slab.c:3544
kmalloc_trace+0x26/0x60 mm/slab_common.c:1062
kmalloc include/linux/slab.h:580 [inline]
kzalloc include/linux/slab.h:720 [inline]
afs_net_init+0x937/0xed0 fs/afs/main.c:106
ops_init+0xb9/0x680 net/core/net_namespace.c:135
setup_net+0x793/0xe60 net/core/net_namespace.c:333
copy_net_ns+0x31b/0x6b0 net/core/net_namespace.c:483
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
copy_namespaces+0x3b3/0x4a0 kernel/nsproxy.c:179
copy_process+0x30d3/0x7520 kernel/fork.c:2269
kernel_clone+0xeb/0x990 kernel/fork.c:2681
__do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2980
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1446 [inline]
free_pcp_prepare+0x65c/0xc00 mm/page_alloc.c:1496
free_unref_page_prepare mm/page_alloc.c:3369 [inline]
free_unref_page_list+0x176/0xcd0 mm/page_alloc.c:3510
release_pages+0xcb1/0x1330 mm/swap.c:1076
tlb_batch_pages_flush+0xa8/0x1a0 mm/mmu_gather.c:97
tlb_flush_mmu_free mm/mmu_gather.c:292 [inline]
tlb_flush_mmu mm/mmu_gather.c:299 [inline]
tlb_finish_mmu+0x14b/0x7e0 mm/mmu_gather.c:391
exit_mmap+0x202/0x7b0 mm/mmap.c:3100
__mmput+0x128/0x4c0 kernel/fork.c:1207
mmput+0x60/0x70 kernel/fork.c:1229
exit_mm kernel/exit.c:563 [inline]
do_exit+0x9ac/0x2950 kernel/exit.c:854
do_group_exit+0xd4/0x2a0 kernel/exit.c:1012
__do_sys_exit_group kernel/exit.c:1023 [inline]
__se_sys_exit_group kernel/exit.c:1021 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1021
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Memory state around the buggy address:
ffff888078e11800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888078e11880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888078e11900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888078e11980: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888078e11a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [syzbot] [jfs?] KASAN: use-after-free Read in lbmIODone (2)
2023-03-01 21:54 [syzbot] [jfs?] KASAN: use-after-free Read in lbmIODone (2) syzbot
@ 2023-07-12 21:20 ` syzbot
0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2023-07-12 21:20 UTC (permalink / raw)
To: axboe, jfs-discussion, kch, linux-fsdevel, linux-kernel, shaggy,
syzkaller-bugs
syzbot has found a reproducer for the following issue on:
HEAD commit: 3f01e9fed845 Merge tag 'linux-watchdog-6.5-rc2' of git://w..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=100b43f2a80000
kernel config: https://syzkaller.appspot.com/x/.config?x=e75667d82b529c4f
dashboard link: https://syzkaller.appspot.com/bug?extid=aca408372ef0b470a3d2
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1102ca04a80000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-3f01e9fe.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/0f8bd445f5c8/vmlinux-3f01e9fe.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1af93256322d/bzImage-3f01e9fe.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/871b973dd9f9/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+aca408372ef0b470a3d2@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: slab-use-after-free in lbmIODone+0xeb7/0x11d0 fs/jfs/jfs_logmgr.c:2179
Read of size 4 at addr ffff888021c28708 by task ksoftirqd/1/27
CPU: 1 PID: 27 Comm: ksoftirqd/1 Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:364
print_report mm/kasan/report.c:475 [inline]
kasan_report+0x11d/0x130 mm/kasan/report.c:588
lbmIODone+0xeb7/0x11d0 fs/jfs/jfs_logmgr.c:2179
bio_endio+0x589/0x690 block/bio.c:1617
req_bio_endio block/blk-mq.c:757 [inline]
blk_update_request+0x5c5/0x1620 block/blk-mq.c:902
blk_mq_end_request+0x59/0x680 block/blk-mq.c:1023
lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370
blk_complete_reqs+0xb3/0xf0 block/blk-mq.c:1101
__do_softirq+0x1d4/0x905 kernel/softirq.c:553
run_ksoftirqd kernel/softirq.c:921 [inline]
run_ksoftirqd+0x31/0x60 kernel/softirq.c:913
smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Allocated by task 8754:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
____kasan_kmalloc mm/kasan/common.c:333 [inline]
__kasan_kmalloc+0xa3/0xb0 mm/kasan/common.c:383
kmalloc include/linux/slab.h:582 [inline]
lbmLogInit fs/jfs/jfs_logmgr.c:1822 [inline]
lmLogInit+0x3b3/0x1a50 fs/jfs/jfs_logmgr.c:1270
open_inline_log fs/jfs/jfs_logmgr.c:1175 [inline]
lmLogOpen+0x7db/0x1430 fs/jfs/jfs_logmgr.c:1069
jfs_mount_rw+0x2ed/0x6d0 fs/jfs/jfs_mount.c:257
jfs_fill_super+0xa00/0xd40 fs/jfs/super.c:565
mount_bdev+0x315/0x3e0 fs/super.c:1391
legacy_get_tree+0x109/0x220 fs/fs_context.c:611
vfs_get_tree+0x8d/0x350 fs/super.c:1519
do_new_mount fs/namespace.c:3335 [inline]
path_mount+0x136e/0x1e70 fs/namespace.c:3662
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount fs/namespace.c:3861 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 5245:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x13b/0x1a0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
__cache_free mm/slab.c:3370 [inline]
__do_kmem_cache_free mm/slab.c:3557 [inline]
__kmem_cache_free+0xcd/0x2c0 mm/slab.c:3564
lbmLogShutdown fs/jfs/jfs_logmgr.c:1865 [inline]
lmLogShutdown+0x349/0x6e0 fs/jfs/jfs_logmgr.c:1684
lmLogClose+0x588/0x720 fs/jfs/jfs_logmgr.c:1460
jfs_umount+0x2ef/0x430 fs/jfs/jfs_umount.c:114
jfs_put_super+0x85/0x1d0 fs/jfs/super.c:194
generic_shutdown_super+0x158/0x480 fs/super.c:499
kill_block_super+0x64/0xb0 fs/super.c:1417
deactivate_locked_super+0x98/0x160 fs/super.c:330
deactivate_super+0xb1/0xd0 fs/super.c:361
cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1254
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Last potentially related work creation:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
__kasan_record_aux_stack+0x78/0x80 mm/kasan/generic.c:492
insert_work+0x48/0x360 kernel/workqueue.c:1553
__queue_work+0x625/0x1120 kernel/workqueue.c:1714
queue_work_on+0xf2/0x110 kernel/workqueue.c:1744
queue_work include/linux/workqueue.h:506 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline]
netdevice_event+0x6dd/0x9c0 drivers/infiniband/core/roce_gid_mgmt.c:802
notifier_call_chain+0xb6/0x3c0 kernel/notifier.c:93
call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1962
call_netdevice_notifiers_extack net/core/dev.c:2000 [inline]
call_netdevice_notifiers net/core/dev.c:2014 [inline]
dev_set_mac_address+0x355/0x480 net/core/dev.c:8793
dev_set_mac_address_user+0x31/0x50 net/core/dev.c:8807
do_setlink+0x1871/0x3ae0 net/core/rtnetlink.c:2815
__rtnl_newlink+0xd85/0x1860 net/core/rtnetlink.c:3655
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3702
rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6424
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Second to last potentially related work creation:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
__kasan_record_aux_stack+0x78/0x80 mm/kasan/generic.c:492
insert_work+0x48/0x360 kernel/workqueue.c:1553
__queue_work+0x625/0x1120 kernel/workqueue.c:1714
queue_work_on+0xf2/0x110 kernel/workqueue.c:1744
queue_work include/linux/workqueue.h:506 [inline]
call_usermodehelper_exec+0x1d2/0x4c0 kernel/umh.c:434
kobject_uevent_env+0xefc/0x16c0 lib/kobject_uevent.c:618
netdev_queue_add_kobject net/core/net-sysfs.c:1705 [inline]
netdev_queue_update_kobjects+0x3d5/0x4f0 net/core/net-sysfs.c:1746
register_queue_kobjects net/core/net-sysfs.c:1807 [inline]
netdev_register_kobject+0x334/0x400 net/core/net-sysfs.c:2047
register_netdevice+0xd77/0x1640 net/core/dev.c:10051
bond_create+0xb8/0x120 drivers/net/bonding/bond_main.c:6399
bonding_init+0xda/0x130 drivers/net/bonding/bond_main.c:6483
do_one_initcall+0x105/0x630 init/main.c:1232
do_initcall_level init/main.c:1294 [inline]
do_initcalls init/main.c:1310 [inline]
do_basic_setup init/main.c:1329 [inline]
kernel_init_freeable+0x64e/0xba0 init/main.c:1546
kernel_init+0x1e/0x2c0 init/main.c:1437
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
The buggy address belongs to the object at ffff888021c28700
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 8 bytes inside of
freed 192-byte region [ffff888021c28700, ffff888021c287c0)
The buggy address belongs to the physical page:
page:ffffea0000870a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x21c28
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0x10()
raw: 00fff00000000200 ffff888012840000 ffffea000057b110 ffffea0000791b90
raw: 0000000000000000 ffff888021c28000 0000000100000010 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 1, tgid 1 (swapper/0), ts 7886758406, free_ts 7883285032
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1570
prep_new_page mm/page_alloc.c:1577 [inline]
get_page_from_freelist+0xfed/0x2d30 mm/page_alloc.c:3221
__alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4477
__alloc_pages_node include/linux/gfp.h:237 [inline]
kmem_getpages mm/slab.c:1356 [inline]
cache_grow_begin+0x9b/0x3b0 mm/slab.c:2550
cache_alloc_refill+0x289/0x3a0 mm/slab.c:2923
____cache_alloc mm/slab.c:2999 [inline]
____cache_alloc mm/slab.c:2982 [inline]
__do_cache_alloc mm/slab.c:3182 [inline]
slab_alloc_node mm/slab.c:3230 [inline]
__kmem_cache_alloc_node+0x392/0x410 mm/slab.c:3521
kmalloc_trace+0x26/0xe0 mm/slab_common.c:1076
kmalloc include/linux/slab.h:582 [inline]
kzalloc include/linux/slab.h:703 [inline]
call_usermodehelper_setup+0x9c/0x340 kernel/umh.c:363
kobject_uevent_env+0xedd/0x16c0 lib/kobject_uevent.c:614
rx_queue_add_kobject net/core/net-sysfs.c:1102 [inline]
net_rx_queue_update_kobjects+0x1b0/0x640 net/core/net-sysfs.c:1142
register_queue_kobjects net/core/net-sysfs.c:1802 [inline]
netdev_register_kobject+0x279/0x400 net/core/net-sysfs.c:2047
register_netdevice+0xd77/0x1640 net/core/dev.c:10051
bond_create+0xb8/0x120 drivers/net/bonding/bond_main.c:6399
bonding_init+0xda/0x130 drivers/net/bonding/bond_main.c:6483
do_one_initcall+0x105/0x630 init/main.c:1232
do_initcall_level init/main.c:1294 [inline]
do_initcalls init/main.c:1310 [inline]
do_basic_setup init/main.c:1329 [inline]
kernel_init_freeable+0x64e/0xba0 init/main.c:1546
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x62e/0xcb0 mm/page_alloc.c:2348
free_unref_page+0x33/0x370 mm/page_alloc.c:2443
rcu_do_batch kernel/rcu/tree.c:2135 [inline]
rcu_core+0x802/0x1c10 kernel/rcu/tree.c:2399
__do_softirq+0x1d4/0x905 kernel/softirq.c:553
Memory state around the buggy address:
ffff888021c28600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888021c28680: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888021c28700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888021c28780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888021c28800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
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2023-03-01 21:54 [syzbot] [jfs?] KASAN: use-after-free Read in lbmIODone (2) syzbot
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