[ 82.605942][ T27] audit: type=1400 audit(1578734427.786:37): avc: denied { watch } for pid=10379 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 [ 82.630688][ T27] audit: type=1400 audit(1578734427.786:38): avc: denied { watch } for pid=10379 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 82.902142][ T27] audit: type=1800 audit(1578734428.076:39): pid=10290 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 [ 82.924124][ T27] audit: type=1800 audit(1578734428.076:40): pid=10290 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: [ 84.912265][ T27] audit: type=1400 audit(1578734430.086:41): avc: denied { map } for pid=10464 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 '10.128.0.154' (ECDSA) to the list of known hosts. executing program [ 100.872005][ T27] audit: type=1400 audit(1578734446.046:42): avc: denied { map } for pid=10476 comm="syz-executor786" path="/root/syz-executor786145973" 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 [ 100.899538][T10476] kasan: CONFIG_KASAN_INLINE enabled [ 100.905322][T10476] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 100.913435][T10476] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 100.920361][T10476] CPU: 0 PID: 10476 Comm: syz-executor786 Not tainted 5.5.0-rc5-syzkaller #0 [ 100.929090][T10476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.939132][T10476] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 100.944479][T10476] 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 [ 100.964058][T10476] RSP: 0018:ffffc90001da7940 EFLAGS: 00010202 [ 100.970100][T10476] RAX: dffffc0000000000 RBX: ffff8880a3771d00 RCX: ffffffff8673a332 [ 100.978047][T10476] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368 [ 100.985992][T10476] RBP: ffffc90001da7970 R08: ffff888093a5a340 R09: ffffed1015d0703d [ 100.995510][T10476] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d [ 101.003467][T10476] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470 [ 101.011498][T10476] FS: 000000000156a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 101.020413][T10476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.026992][T10476] CR2: 000055b68c5e2110 CR3: 0000000090a9d000 CR4: 00000000001406f0 [ 101.034970][T10476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.042921][T10476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.050869][T10476] Call Trace: [ 101.054154][T10476] ? xt_rateest_put+0x440/0x440 [ 101.058990][T10476] xt_rateest_tg_destroy+0x72/0xa0 [ 101.064079][T10476] ? xt_percpu_counter_free+0x8f/0xd0 [ 101.069438][T10476] translate_table+0x11f4/0x1d80 [ 101.074363][T10476] ? arpt_alloc_initial_table+0x690/0x690 [ 101.080231][T10476] ? lock_downgrade+0x920/0x920 [ 101.085064][T10476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 101.091355][T10476] ? _copy_from_user+0x12c/0x1a0 [ 101.096304][T10476] do_arpt_set_ctl+0x317/0x650 [ 101.101065][T10476] ? __do_replace+0xa80/0xa80 [ 101.105723][T10476] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 101.111249][T10476] ? mark_lock+0xc2/0x1220 [ 101.115650][T10476] ? wait_for_completion+0x440/0x440 [ 101.120918][T10476] ? mutex_unlock+0xd/0x10 [ 101.125315][T10476] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 101.131271][T10476] nf_setsockopt+0x77/0xd0 [ 101.135668][T10476] ip_setsockopt+0xdf/0x100 [ 101.140147][T10476] udp_setsockopt+0x68/0xb0 [ 101.144629][T10476] sock_common_setsockopt+0x94/0xd0 [ 101.149806][T10476] __sys_setsockopt+0x261/0x4c0 [ 101.154635][T10476] ? sock_create_kern+0x50/0x50 [ 101.159462][T10476] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.164984][T10476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 101.171200][T10476] ? handle_mm_fault+0x4ab/0xa50 [ 101.176116][T10476] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.181647][T10476] ? do_syscall_64+0x26/0x790 [ 101.186311][T10476] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.192354][T10476] ? do_syscall_64+0x26/0x790 [ 101.197043][T10476] __x64_sys_setsockopt+0xbe/0x150 [ 101.202139][T10476] do_syscall_64+0xfa/0x790 [ 101.206663][T10476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.212556][T10476] RIP: 0033:0x441699 [ 101.216432][T10476] 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 [ 101.236019][T10476] RSP: 002b:00007ffe46012038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 101.244423][T10476] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441699 [ 101.252371][T10476] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 101.260339][T10476] RBP: 00000000006cb018 R08: 0000000000000430 R09: 00000000004002c8 [ 101.268292][T10476] R10: 00000000200008c0 R11: 0000000000000246 R12: 0000000000402f20 [ 101.276260][T10476] R13: 0000000000402fb0 R14: 0000000000000000 R15: 0000000000000000 [ 101.284210][T10476] Modules linked in: [ 101.288569][T10476] ---[ end trace b9cf3707c2409d66 ]--- [ 101.294040][T10476] RIP: 0010:xt_rateest_put+0xa1/0x440 [ 101.299438][T10476] 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 [ 101.319080][T10476] RSP: 0018:ffffc90001da7940 EFLAGS: 00010202 [ 101.325177][T10476] RAX: dffffc0000000000 RBX: ffff8880a3771d00 RCX: ffffffff8673a332 [ 101.333238][T10476] RDX: 000000000000026d RSI: ffffffff8673a0b9 RDI: 0000000000001368 [ 101.341266][T10476] RBP: ffffc90001da7970 R08: ffff888093a5a340 R09: ffffed1015d0703d [ 101.349274][T10476] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 000000000000002d [ 101.357269][T10476] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8673a470 [ 101.365286][T10476] FS: 000000000156a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 101.374196][T10476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.380807][T10476] CR2: 000055b68c5e2110 CR3: 0000000090a9d000 CR4: 00000000001406f0 [ 101.388813][T10476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.396807][T10476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.404816][T10476] Kernel panic - not syncing: Fatal exception [ 101.412619][T10476] Kernel Offset: disabled [ 101.416952][T10476] Rebooting in 86400 seconds..