[ 73.095030][ T26] audit: type=1800 audit(1564326322.965:27): pid=10160 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 73.117738][ T26] audit: type=1800 audit(1564326322.965:28): pid=10160 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 73.665097][ T26] audit: type=1800 audit(1564326323.615:29): pid=10160 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 73.685609][ T26] audit: type=1800 audit(1564326323.615:30): pid=10160 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 99.760685][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 104.756921][T10313] kasan: CONFIG_KASAN_INLINE enabled [ 104.762697][T10313] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 104.770881][T10313] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 104.778076][T10313] CPU: 0 PID: 10313 Comm: syz-executor046 Not tainted 5.3.0-rc1-next-20190726 #53 [ 104.787304][T10313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.798159][T10313] RIP: 0010:tls_trim_both_msgs+0x54/0x130 [ 104.803971][T10313] 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 [ 104.823613][T10313] RSP: 0018:ffff888087427ac0 EFLAGS: 00010206 [ 104.830028][T10313] RAX: dffffc0000000000 RBX: ffff888089fe9640 RCX: ffffffff862f4eef [ 104.838009][T10313] RDX: 0000000000000005 RSI: ffffffff862e9016 RDI: 0000000000000028 [ 104.845969][T10313] RBP: ffff888087427ae0 R08: ffff888095b5a280 R09: ffffed1012582ea9 [ 104.853925][T10313] R10: ffffed1012582ea8 R11: ffff888092c17543 R12: 0000000000000000 [ 104.862149][T10313] R13: ffff8880889b8040 R14: 0000000000000000 R15: 00000000ffffffe0 [ 104.870247][T10313] FS: 0000555555caf880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 104.879495][T10313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.886852][T10313] CR2: ffffffffff600400 CR3: 00000000a93bf000 CR4: 00000000001406f0 [ 104.895109][T10313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.903166][T10313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.911442][T10313] Call Trace: [ 104.914751][T10313] tls_sw_sendmsg+0xe38/0x17b0 [ 104.919639][T10313] ? rwlock_bug.part.0+0x90/0x90 [ 104.924581][T10313] ? tx_work_handler+0x180/0x180 [ 104.929561][T10313] ? lock_downgrade+0x920/0x920 [ 104.934434][T10313] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 104.940310][T10313] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 104.946611][T10313] inet6_sendmsg+0x9e/0xe0 [ 104.951031][T10313] ? inet6_ioctl+0x1c0/0x1c0 [ 104.955630][T10313] sock_sendmsg+0xd7/0x130 [ 104.960046][T10313] __sys_sendto+0x262/0x380 [ 104.964534][T10313] ? __ia32_sys_getpeername+0xb0/0xb0 [ 104.970146][T10313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 104.976390][T10313] ? lock_downgrade+0x920/0x920 [ 104.981516][T10313] ? blkcg_maybe_throttle_current+0x5fe/0x1030 [ 104.987743][T10313] ? task_work_run+0x63/0x1c0 [ 104.992424][T10313] ? __blkcg_punt_bio_submit+0x1e0/0x1e0 [ 104.998080][T10313] ? unlock_page_memcg+0x40/0x40 [ 105.003076][T10313] ? _raw_spin_unlock_irq+0x5e/0x90 [ 105.008697][T10313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 105.014979][T10313] ? do_syscall_64+0x65f/0x760 [ 105.019877][T10313] __x64_sys_sendto+0xe1/0x1a0 [ 105.024813][T10313] do_syscall_64+0xfa/0x760 [ 105.029310][T10313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.035189][T10313] RIP: 0033:0x441339 [ 105.039168][T10313] Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.059349][T10313] RSP: 002b:00007ffca97ae558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 105.067762][T10313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441339 [ 105.075759][T10313] RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003 [ 105.083809][T10313] RBP: 00000000006cb018 R08: 0000000000000000 R09: 1201000000003618 [ 105.091814][T10313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402160 [ 105.100620][T10313] R13: 00000000004021f0 R14: 0000000000000000 R15: 0000000000000000 [ 105.108735][T10313] Modules linked in: [ 105.113200][T10313] ---[ end trace c60f69693f7dfc93 ]--- [ 105.118707][T10313] RIP: 0010:tls_trim_both_msgs+0x54/0x130 [ 105.124581][T10313] 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 [ 105.144371][T10313] RSP: 0018:ffff888087427ac0 EFLAGS: 00010206 [ 105.150446][T10313] RAX: dffffc0000000000 RBX: ffff888089fe9640 RCX: ffffffff862f4eef [ 105.158742][T10313] RDX: 0000000000000005 RSI: ffffffff862e9016 RDI: 0000000000000028 [ 105.166791][T10313] RBP: ffff888087427ae0 R08: ffff888095b5a280 R09: ffffed1012582ea9 [ 105.175125][T10313] R10: ffffed1012582ea8 R11: ffff888092c17543 R12: 0000000000000000 [ 105.183334][T10313] R13: ffff8880889b8040 R14: 0000000000000000 R15: 00000000ffffffe0 [ 105.191495][T10313] FS: 0000555555caf880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.200425][T10313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.207238][T10313] CR2: ffffffffff600400 CR3: 00000000a93bf000 CR4: 00000000001406f0 [ 105.215252][T10313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.223307][T10313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.231360][T10313] Kernel panic - not syncing: Fatal exception [ 105.238584][T10313] Kernel Offset: disabled [ 105.242912][T10313] Rebooting in 86400 seconds..