* general protection fault in hash_ipportnet4_uadt
@ 2020-01-07 16:03 syzbot
2020-01-07 17:28 ` syzbot
2020-01-08 16:53 ` syzbot
0 siblings, 2 replies; 3+ messages in thread
From: syzbot @ 2020-01-07 16:03 UTC (permalink / raw)
To: allison, coreteam, davem, fw, info, jeremy, kadlec, kstewart,
linux-kernel, netdev, netfilter-devel, pablo, syzkaller-bugs,
tglx
Hello,
syzbot found the following crash on:
HEAD commit: 1b935183 Merge branch 'Unique-mv88e6xxx-IRQ-names'
git tree: net-next
console output: https://syzkaller.appspot.com/x/log.txt?x=15352325e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=977dda960db4d1e7
dashboard link: https://syzkaller.appspot.com/bug?extid=34bd2369d38707f3f4a7
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+34bd2369d38707f3f4a7@syzkaller.appspotmail.com
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9396 Comm: syz-executor.3 Not tainted 5.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:hash_ipportnet4_uadt+0x20b/0x13e0
net/netfilter/ipset/ip_set_hash_ipportnet.c:173
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 71 0c 00 00 4c 89
e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c
89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2c
RSP: 0018:ffffc9000793f150 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000793f320 RCX: ffffc9000f81d000
RDX: 0000000000000000 RSI: ffffffff86821788 RDI: ffff88809f886430
RBP: ffffc9000793f2b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 00000000ff7f0000 R14: ffffc9000793f220 R15: ffff8880a355ea00
FS: 00007fa58b436700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000340 CR3: 000000009d628000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ip_set_utest+0x55b/0x890 net/netfilter/ipset/ip_set_core.c:1867
nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563
netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:643 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:663
____sys_sendmsg+0x753/0x880 net/socket.c:2342
___sys_sendmsg+0x100/0x170 net/socket.c:2396
__sys_sendmsg+0x105/0x1d0 net/socket.c:2429
__do_sys_sendmsg net/socket.c:2438 [inline]
__se_sys_sendmsg net/socket.c:2436 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2436
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa58b435c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa58b4366d4
R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff
Modules linked in:
---[ end trace 7a7fd1554086524f ]---
RIP: 0010:hash_ipportnet4_uadt+0x20b/0x13e0
net/netfilter/ipset/ip_set_hash_ipportnet.c:173
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 71 0c 00 00 4c 89
e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c
89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2c
RSP: 0018:ffffc9000793f150 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000793f320 RCX: ffffc9000f81d000
RDX: 0000000000000000 RSI: ffffffff86821788 RDI: ffff88809f886430
RBP: ffffc9000793f2b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 00000000ff7f0000 R14: ffffc9000793f220 R15: ffff8880a355ea00
FS: 00007fa58b436700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000340 CR3: 000000009d628000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: general protection fault in hash_ipportnet4_uadt
2020-01-07 16:03 general protection fault in hash_ipportnet4_uadt syzbot
@ 2020-01-07 17:28 ` syzbot
2020-01-08 16:53 ` syzbot
1 sibling, 0 replies; 3+ messages in thread
From: syzbot @ 2020-01-07 17:28 UTC (permalink / raw)
To: allison, coreteam, davem, fw, info, jeremy, kadlec, kstewart,
linux-kernel, netdev, netfilter-devel, pablo, syzkaller-bugs,
tglx
syzbot has found a reproducer for the following crash on:
HEAD commit: c101fffc Merge tag 'mlx5-fixes-2020-01-06' of git://git.ke..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=13f4f3c1e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=f2f3ef188b7e16cf
dashboard link: https://syzkaller.appspot.com/bug?extid=34bd2369d38707f3f4a7
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b35ec6e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13044076e00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+34bd2369d38707f3f4a7@syzkaller.appspotmail.com
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9656 Comm: syz-executor756 Not tainted 5.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:hash_ipportnet4_uadt+0x20b/0x13e0
net/netfilter/ipset/ip_set_hash_ipportnet.c:173
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 71 0c 00 00 4c 89
e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c
89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2c
RSP: 0018:ffffc90001ee7150 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001ee7320 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff867e4e78 RDI: ffff8880a7f08070
RBP: ffffc90001ee72b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 0000000002000000 R14: ffffc90001ee7220 R15: ffff8880a4c3a400
FS: 0000000000e4b880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000446 CR3: 000000009e154000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ip_set_utest+0x55b/0x890 net/netfilter/ipset/ip_set_core.c:1867
nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563
netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:639 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:659
____sys_sendmsg+0x753/0x880 net/socket.c:2330
___sys_sendmsg+0x100/0x170 net/socket.c:2384
__sys_sendmsg+0x105/0x1d0 net/socket.c:2417
__do_sys_sendmsg net/socket.c:2426 [inline]
__se_sys_sendmsg net/socket.c:2424 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440839
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffde8ed0ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440839
RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00000000006ca018 R08: 0000000000000008 R09: 00000000004002c8
R10: 000000000000204e R11: 0000000000000246 R12: 00000000004020c0
R13: 0000000000402150 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 4497e0a4dc04971d ]---
RIP: 0010:hash_ipportnet4_uadt+0x20b/0x13e0
net/netfilter/ipset/ip_set_hash_ipportnet.c:173
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 71 0c 00 00 4c 89
e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c
89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2c
RSP: 0018:ffffc90001ee7150 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001ee7320 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff867e4e78 RDI: ffff8880a7f08070
RBP: ffffc90001ee72b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 0000000002000000 R14: ffffc90001ee7220 R15: ffff8880a4c3a400
FS: 0000000000e4b880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000446 CR3: 000000009e154000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: general protection fault in hash_ipportnet4_uadt
2020-01-07 16:03 general protection fault in hash_ipportnet4_uadt syzbot
2020-01-07 17:28 ` syzbot
@ 2020-01-08 16:53 ` syzbot
1 sibling, 0 replies; 3+ messages in thread
From: syzbot @ 2020-01-08 16:53 UTC (permalink / raw)
To: allison, coreteam, davem, fw, gregkh, info, jengelh, jeremy,
kadlec, kadlec, kstewart, linux-kernel, netdev, netfilter-devel,
pablo, syzkaller-bugs, tglx
syzbot has bisected this bug to:
commit 23c42a403a9cfdbad6004a556c927be7dd61a8ee
Author: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Sat Oct 27 13:07:40 2018 +0000
netfilter: ipset: Introduction of new commands and protocol version 7
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13a9d115e00000
start commit: ae608821 Merge tag 'trace-v5.5-rc5' of git://git.kernel.or..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=1069d115e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=17a9d115e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=18698c0c240ba616
dashboard link: https://syzkaller.appspot.com/bug?extid=34bd2369d38707f3f4a7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118d6971e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11b47c9ee00000
Reported-by: syzbot+34bd2369d38707f3f4a7@syzkaller.appspotmail.com
Fixes: 23c42a403a9c ("netfilter: ipset: Introduction of new commands and
protocol version 7")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-01-08 16:53 ` syzbot
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