[   90.485871][   T27] audit: type=1400 audit(1578735635.097:37): avc:  denied  { watch } for  pid=10397 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1
[   90.525025][   T27] audit: type=1400 audit(1578735635.127:38): avc:  denied  { watch } for  pid=10397 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[   90.691090][   T27] audit: type=1800 audit(1578735635.297:39): pid=10304 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0
[   90.713143][   T27] audit: type=1800 audit(1578735635.307:40): pid=10304 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   92.597093][   T27] audit: type=1400 audit(1578735637.207:41): avc:  denied  { map } for  pid=10482 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts.
executing program
[   99.380735][   T27] audit: type=1400 audit(1578735643.987:42): avc:  denied  { map } for  pid=10494 comm="syz-executor871" path="/root/syz-executor871410730" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   99.411136][T10494] kasan: CONFIG_KASAN_INLINE enabled
[   99.416985][T10494] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   99.425150][T10494] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   99.432249][T10494] CPU: 0 PID: 10494 Comm: syz-executor871 Not tainted 5.5.0-rc5-syzkaller #0
[   99.441508][T10494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   99.451562][T10494] RIP: 0010:xt_rateest_put+0xa1/0x440
[   99.456988][T10494] Code: 85 87 01 fb 45 84 f6 0f 84 68 02 00 00 e8 37 86 01 fb 49 8d bd 68 13 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6c 03 00 00 4d 8b b5 68 13 00 00 e8 29 bf ed fa
[   99.477645][T10494] RSP: 0018:ffffc90001dd7940 EFLAGS: 00010202
[   99.483708][T10494] RAX: dffffc0000000000 RBX: ffff8880a691ef00 RCX: ffffffff8673a332
[   99.491680][T10494] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368
[   99.499637][T10494] RBP: ffffc90001dd7970 R08: ffff88808f228500 R09: ffffed1015d0703d
[   99.508040][T10494] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d
[   99.516006][T10494] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470
[   99.523973][T10494] FS:  0000000000f24880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   99.532877][T10494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.539447][T10494] CR2: 0000557f56713140 CR3: 000000009415a000 CR4: 00000000001406f0
[   99.547702][T10494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   99.555656][T10494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   99.563628][T10494] Call Trace:
[   99.566905][T10494]  ? xt_rateest_put+0x440/0x440
[   99.571748][T10494]  xt_rateest_tg_destroy+0x72/0xa0
[   99.576850][T10494]  ? xt_percpu_counter_free+0x8f/0xd0
[   99.582202][T10494]  translate_table+0x11f4/0x1d80
[   99.587123][T10494]  ? arpt_alloc_initial_table+0x690/0x690
[   99.592819][T10494]  ? lock_downgrade+0x920/0x920
[   99.597651][T10494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   99.603877][T10494]  ? _copy_from_user+0x12c/0x1a0
[   99.610095][T10494]  do_arpt_set_ctl+0x317/0x650
[   99.614838][T10494]  ? __do_replace+0xa80/0xa80
[   99.619493][T10494]  ? __mutex_unlock_slowpath+0xf0/0x6a0
[   99.625024][T10494]  ? mark_lock+0xc2/0x1220
[   99.629429][T10494]  ? wait_for_completion+0x440/0x440
[   99.634692][T10494]  ? mutex_unlock+0xd/0x10
[   99.639149][T10494]  ? nf_sockopt_find.constprop.0+0x226/0x290
[   99.645537][T10494]  nf_setsockopt+0x77/0xd0
[   99.649939][T10494]  ip_setsockopt+0xdf/0x100
[   99.654453][T10494]  udp_setsockopt+0x68/0xb0
[   99.658960][T10494]  sock_common_setsockopt+0x94/0xd0
[   99.671441][T10494]  __sys_setsockopt+0x261/0x4c0
[   99.676291][T10494]  ? sock_create_kern+0x50/0x50
[   99.681140][T10494]  ? down_read_non_owner+0x490/0x490
[   99.686407][T10494]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   99.692652][T10494]  ? handle_mm_fault+0x4ab/0xa50
[   99.697583][T10494]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   99.703020][T10494]  ? do_syscall_64+0x26/0x790
[   99.707684][T10494]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   99.713737][T10494]  ? do_syscall_64+0x26/0x790
[   99.718546][T10494]  __x64_sys_setsockopt+0xbe/0x150
[   99.723685][T10494]  do_syscall_64+0xfa/0x790
[   99.728176][T10494]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   99.734394][T10494] RIP: 0033:0x441699
[   99.738285][T10494] 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
[   99.758835][T10494] RSP: 002b:00007ffe719ae8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   99.767664][T10494] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441699
[   99.775658][T10494] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003
[   99.783618][T10494] RBP: 00000000006cb018 R08: 0000000000000430 R09: 00000000004002c8
[   99.793005][T10494] R10: 00000000200008c0 R11: 0000000000000246 R12: 0000000000402f20
[   99.800958][T10494] R13: 0000000000402fb0 R14: 0000000000000000 R15: 0000000000000000
[   99.808915][T10494] Modules linked in:
[   99.814018][T10494] ---[ end trace d42cdb0b5965aba5 ]---
[   99.819624][T10494] RIP: 0010:xt_rateest_put+0xa1/0x440
[   99.825081][T10494] Code: 85 87 01 fb 45 84 f6 0f 84 68 02 00 00 e8 37 86 01 fb 49 8d bd 68 13 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 6c 03 00 00 4d 8b b5 68 13 00 00 e8 29 bf ed fa
[   99.844905][T10494] RSP: 0018:ffffc90001dd7940 EFLAGS: 00010202
[   99.850974][T10494] RAX: dffffc0000000000 RBX: ffff8880a691ef00 RCX: ffffffff8673a332
[   99.858998][T10494] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368
[   99.867005][T10494] RBP: ffffc90001dd7970 R08: ffff88808f228500 R09: ffffed1015d0703d
[   99.898042][T10494] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d
[   99.906049][T10494] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470
[   99.914998][T10494] FS:  0000000000f24880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[   99.924031][T10494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.957583][T10494] CR2: 00007f1bfc0051d8 CR3: 000000009415a000 CR4: 00000000001406e0
[   99.966729][T10494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   99.974738][T10494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   99.982733][T10494] Kernel panic - not syncing: Fatal exception
[   99.990051][T10494] Kernel Offset: disabled
[   99.994985][T10494] Rebooting in 86400 seconds..