[ 97.261360][ T27] audit: type=1400 audit(1578736864.602:37): avc: denied { watch } for pid=10117 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 [ 97.299011][ T27] audit: type=1400 audit(1578736864.602:38): avc: denied { watch } for pid=10117 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. [ 97.493588][ T27] audit: type=1800 audit(1578736864.832:39): pid=10024 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 [ 97.515349][ T27] audit: type=1800 audit(1578736864.842:40): pid=10024 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: [ 98.819491][ T27] audit: type=1400 audit(1578736866.162:41): avc: denied { map } for pid=10201 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 '10.128.1.4' (ECDSA) to the list of known hosts. executing program [ 105.479837][ T27] audit: type=1400 audit(1578736872.822:42): avc: denied { map } for pid=10213 comm="syz-executor519" path="/root/syz-executor519264355" 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 [ 105.507633][T10213] kasan: CONFIG_KASAN_INLINE enabled [ 105.513219][T10213] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 105.521323][T10213] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 105.528263][T10213] CPU: 0 PID: 10213 Comm: syz-executor519 Not tainted 5.5.0-rc5-syzkaller #0 [ 105.536996][T10213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.547108][T10213] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 105.552509][T10213] 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 [ 105.572201][T10213] RSP: 0018:ffffc90001cd7940 EFLAGS: 00010202 [ 105.578249][T10213] RAX: dffffc0000000000 RBX: ffff8880a779f700 RCX: ffffffff8673a332 [ 105.586199][T10213] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368 [ 105.594150][T10213] RBP: ffffc90001cd7970 R08: ffff8880a96b2240 R09: ffffed1015d0703d [ 105.602101][T10213] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d [ 105.610050][T10213] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470 [ 105.618007][T10213] FS: 00000000016ce880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.626916][T10213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.633476][T10213] CR2: 000055cd48aff140 CR3: 0000000096982000 CR4: 00000000001406f0 [ 105.641466][T10213] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.649421][T10213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.657368][T10213] Call Trace: [ 105.660642][T10213] ? xt_rateest_put+0x440/0x440 [ 105.665469][T10213] xt_rateest_tg_destroy+0x72/0xa0 [ 105.670560][T10213] ? xt_percpu_counter_free+0x8f/0xd0 [ 105.675908][T10213] translate_table+0x11f4/0x1d80 [ 105.680829][T10213] ? arpt_alloc_initial_table+0x690/0x690 [ 105.686544][T10213] ? lock_downgrade+0x920/0x920 [ 105.691377][T10213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 105.697595][T10213] ? _copy_from_user+0x12c/0x1a0 [ 105.702511][T10213] do_arpt_set_ctl+0x317/0x650 [ 105.707254][T10213] ? __do_replace+0xa80/0xa80 [ 105.711908][T10213] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 105.717443][T10213] ? mark_lock+0xc2/0x1220 [ 105.721908][T10213] ? wait_for_completion+0x440/0x440 [ 105.727204][T10213] ? mutex_unlock+0xd/0x10 [ 105.731607][T10213] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 105.737586][T10213] nf_setsockopt+0x77/0xd0 [ 105.741988][T10213] ip_setsockopt+0xdf/0x100 [ 105.746473][T10213] udp_setsockopt+0x68/0xb0 [ 105.750980][T10213] sock_common_setsockopt+0x94/0xd0 [ 105.756212][T10213] __sys_setsockopt+0x261/0x4c0 [ 105.761102][T10213] ? sock_create_kern+0x50/0x50 [ 105.765956][T10213] ? down_read_non_owner+0x490/0x490 [ 105.771240][T10213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 105.777470][T10213] ? handle_mm_fault+0x4ab/0xa50 [ 105.782390][T10213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 105.787824][T10213] ? do_syscall_64+0x26/0x790 [ 105.792479][T10213] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.798521][T10213] ? do_syscall_64+0x26/0x790 [ 105.803195][T10213] __x64_sys_setsockopt+0xbe/0x150 [ 105.808308][T10213] do_syscall_64+0xfa/0x790 [ 105.812792][T10213] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.818678][T10213] RIP: 0033:0x441699 [ 105.822556][T10213] 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 [ 105.842135][T10213] RSP: 002b:00007ffc35157368 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 105.850522][T10213] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441699 [ 105.858479][T10213] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 105.866475][T10213] RBP: 00000000006cb018 R08: 0000000000000430 R09: 00000000004002c8 [ 105.874442][T10213] R10: 00000000200008c0 R11: 0000000000000246 R12: 0000000000402f20 [ 105.882398][T10213] R13: 0000000000402fb0 R14: 0000000000000000 R15: 0000000000000000 [ 105.890350][T10213] Modules linked in: [ 105.894741][T10213] ---[ end trace f2341320b9d5ba2d ]--- [ 105.900450][T10213] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 105.905808][T10213] 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 [ 105.925470][T10213] RSP: 0018:ffffc90001cd7940 EFLAGS: 00010202 [ 105.931560][T10213] RAX: dffffc0000000000 RBX: ffff8880a779f700 RCX: ffffffff8673a332 [ 105.939553][T10213] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368 [ 105.947516][T10213] RBP: ffffc90001cd7970 R08: ffff8880a96b2240 R09: ffffed1015d0703d [ 105.955562][T10213] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d [ 105.963569][T10213] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470 [ 105.971742][T10213] FS: 00000000016ce880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 105.980991][T10213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.987560][T10213] CR2: 000055cd48af04c0 CR3: 0000000096982000 CR4: 00000000001406e0 [ 105.995630][T10213] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 106.003637][T10213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 106.011643][T10213] Kernel panic - not syncing: Fatal exception [ 106.019106][T10213] Kernel Offset: disabled [ 106.023433][T10213] Rebooting in 86400 seconds..