From: syzbot <syzbot+0e0fedcad708d12d3032@syzkaller.appspotmail.com>
To: ast@kernel.org, aviadye@mellanox.com, borisp@mellanox.com,
bpf@vger.kernel.org, daniel@iogearbox.net, davejwatson@fb.com,
davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
yhs@fb.com
Subject: general protection fault in tls_trim_both_msgs
Date: Wed, 24 Jul 2019 22:32:07 -0700 [thread overview]
Message-ID: <0000000000002b4896058e7abf78@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: 9e6dfe80 Add linux-next specific files for 20190724
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1046971fa00000
kernel config: https://syzkaller.appspot.com/x/.config?x=6cbb8fc2cf2842d7
dashboard link: https://syzkaller.appspot.com/bug?extid=0e0fedcad708d12d3032
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+0e0fedcad708d12d3032@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: 15517 Comm: syz-executor.4 Not tainted 5.3.0-rc1-next-20190724
#50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:tls_trim_both_msgs+0x54/0x130 net/tls/tls_sw.c:268
Code: 48 c1 ea 03 80 3c 02 00 0f 85 e3 00 00 00 4d 8b b5 b0 06 00 00 48 b8
00 00 00 00 00 fc ff df 49 8d 7e 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f
85 b3 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8880612cfac0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880a8794340 RCX: ffffc9000e7b9000
RDX: 0000000000000005 RSI: ffffffff86298656 RDI: 0000000000000028
RBP: ffff8880612cfae0 R08: ffff88805ae4c580 R09: fffffbfff14a8155
R10: fffffbfff14a8154 R11: ffffffff8a540aa7 R12: 0000000000000000
R13: ffff888061d82e00 R14: 0000000000000000 R15: 00000000ffffffe0
FS: 00007f7d33516700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fa2f000 CR3: 000000009fcf1000 CR4: 00000000001406e0
Call Trace:
tls_sw_sendmsg+0xe38/0x17b0 net/tls/tls_sw.c:1057
inet6_sendmsg+0x9e/0xe0 net/ipv6/af_inet6.c:576
sock_sendmsg_nosec net/socket.c:637 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:657
__sys_sendto+0x262/0x380 net/socket.c:1952
__do_sys_sendto net/socket.c:1964 [inline]
__se_sys_sendto net/socket.c:1960 [inline]
__x64_sys_sendto+0xe1/0x1a0 net/socket.c:1960
do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7d33515c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829
RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 1201000000003618
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7d335166d4
R13: 00000000004c7669 R14: 00000000004dcc70 R15: 00000000ffffffff
Modules linked in:
---[ end trace 2dd728cceb39a185 ]---
RIP: 0010:tls_trim_both_msgs+0x54/0x130 net/tls/tls_sw.c:268
Code: 48 c1 ea 03 80 3c 02 00 0f 85 e3 00 00 00 4d 8b b5 b0 06 00 00 48 b8
00 00 00 00 00 fc ff df 49 8d 7e 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f
85 b3 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffff8880612cfac0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8880a8794340 RCX: ffffc9000e7b9000
RDX: 0000000000000005 RSI: ffffffff86298656 RDI: 0000000000000028
RBP: ffff8880612cfae0 R08: ffff88805ae4c580 R09: fffffbfff14a8155
R10: fffffbfff14a8154 R11: ffffffff8a540aa7 R12: 0000000000000000
R13: ffff888061d82e00 R14: 0000000000000000 R15: 00000000ffffffe0
FS: 00007f7d33516700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000019dbe80 CR3: 000000009fcf1000 CR4: 00000000001406e0
---
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.
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next reply other threads:[~2019-07-25 5:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-25 5:32 syzbot [this message]
2019-07-25 21:39 ` general protection fault in tls_trim_both_msgs Jakub Kicinski
2019-07-27 11:40 ` syzbot
2019-07-28 3:46 ` syzbot
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