[ 111.599980][ T27] audit: type=1400 audit(1578288402.587:37): avc: denied { watch } for pid=10372 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 [ 111.649652][ T27] audit: type=1400 audit(1578288402.587:38): avc: denied { watch } for pid=10372 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. [ 111.860431][ T27] audit: type=1800 audit(1578288402.847:39): pid=10280 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 [ 111.898541][ T27] audit: type=1800 audit(1578288402.847:40): pid=10280 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: [ 114.528384][ T27] audit: type=1400 audit(1578288405.507:41): avc: denied { map } for pid=10456 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 '10.128.0.255' (ECDSA) to the list of known hosts. executing program [ 121.337788][ T27] audit: type=1400 audit(1578288412.317:42): avc: denied { map } for pid=10468 comm="syz-executor064" path="/root/syz-executor064901285" 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 [ 121.341526][T10468] kasan: CONFIG_KASAN_INLINE enabled [ 121.370889][T10468] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 121.379039][T10468] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 121.385965][T10468] CPU: 1 PID: 10468 Comm: syz-executor064 Not tainted 5.5.0-rc5-syzkaller #0 [ 121.394707][T10468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.404752][T10468] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb40 [ 121.411054][T10468] Code: 29 54 01 fb 45 84 f6 0f 84 08 07 00 00 e8 db 52 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 f4 08 00 00 4d 8b ad 68 13 00 00 e8 cd 8b ed fa [ 121.430633][T10468] RSP: 0018:ffffc90001c67788 EFLAGS: 00010202 [ 121.436674][T10468] RAX: dffffc0000000000 RBX: ffffc90001c67ae8 RCX: ffffffff8673e16e [ 121.444627][T10468] RDX: 000000000000026d RSI: ffffffff8673da55 RDI: 0000000000001368 [ 121.452580][T10468] RBP: ffffc90001c67848 R08: ffff8880909ba580 R09: ffffed1015d2703d [ 121.460526][T10468] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 000000000000002d [ 121.468475][T10468] R13: 0000000000000000 R14: 0000000000000001 R15: ffffc90001c67820 [ 121.476425][T10468] FS: 00000000007ea880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 121.485327][T10468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.491889][T10468] CR2: 000055d3123dc140 CR3: 00000000a68b8000 CR4: 00000000001406e0 [ 121.499841][T10468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 121.507793][T10468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 121.515738][T10468] Call Trace: [ 121.519026][T10468] ? xt_rateest_lookup+0x270/0x270 [ 121.524129][T10468] ? __kasan_check_write+0x14/0x20 [ 121.529234][T10468] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 121.534769][T10468] ? xt_rateest_lookup+0x270/0x270 [ 121.539858][T10468] xt_check_target+0x283/0x690 [ 121.544604][T10468] ? textify_hooks.constprop.0+0x1a0/0x1a0 [ 121.550392][T10468] ? mutex_unlock+0xd/0x10 [ 121.554783][T10468] ? xt_find_target+0x73/0x280 [ 121.559538][T10468] ? xt_find_target+0x73/0x280 [ 121.564295][T10468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.570624][T10468] translate_table+0x1005/0x1d70 [ 121.575555][T10468] ? arpt_alloc_initial_table+0x690/0x690 [ 121.581263][T10468] ? lock_downgrade+0x920/0x920 [ 121.586110][T10468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.592370][T10468] ? _copy_from_user+0x12c/0x1a0 [ 121.597287][T10468] do_arpt_set_ctl+0x310/0x640 [ 121.602037][T10468] ? __do_replace+0xa80/0xa80 [ 121.606721][T10468] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 121.612258][T10468] ? mark_lock+0xc2/0x1220 [ 121.616767][T10468] ? wait_for_completion+0x440/0x440 [ 121.622124][T10468] ? mutex_unlock+0xd/0x10 [ 121.626532][T10468] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 121.633552][T10468] nf_setsockopt+0x77/0xd0 [ 121.637950][T10468] ip_setsockopt+0xdf/0x100 [ 121.642489][T10468] udp_setsockopt+0x68/0xb0 [ 121.646978][T10468] sock_common_setsockopt+0x94/0xd0 [ 121.652872][T10468] __sys_setsockopt+0x261/0x4c0 [ 121.657701][T10468] ? sock_create_kern+0x50/0x50 [ 121.662644][T10468] ? down_read_non_owner+0x490/0x490 [ 121.667915][T10468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 121.674139][T10468] ? handle_mm_fault+0x4ab/0xa50 [ 121.679067][T10468] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 121.684513][T10468] ? do_syscall_64+0x26/0x790 [ 121.689180][T10468] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.695233][T10468] ? do_syscall_64+0x26/0x790 [ 121.699891][T10468] __x64_sys_setsockopt+0xbe/0x150 [ 121.704980][T10468] do_syscall_64+0xfa/0x790 [ 121.709472][T10468] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.715341][T10468] RIP: 0033:0x4412e9 [ 121.719227][T10468] 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 [ 121.738816][T10468] RSP: 002b:00007ffd440f0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 121.747218][T10468] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004412e9 [ 121.755180][T10468] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 121.763147][T10468] RBP: 00000000006cb018 R08: 0000000000000408 R09: 00000000004002c8 [ 121.771716][T10468] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000402b70 [ 121.779735][T10468] R13: 0000000000402c00 R14: 0000000000000000 R15: 0000000000000000 [ 121.787702][T10468] Modules linked in: [ 121.792905][T10468] ---[ end trace 933a844982cde9b4 ]--- [ 121.798510][T10468] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb40 [ 121.804825][T10468] Code: 29 54 01 fb 45 84 f6 0f 84 08 07 00 00 e8 db 52 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 f4 08 00 00 4d 8b ad 68 13 00 00 e8 cd 8b ed fa [ 121.824451][T10468] RSP: 0018:ffffc90001c67788 EFLAGS: 00010202 [ 121.830530][T10468] RAX: dffffc0000000000 RBX: ffffc90001c67ae8 RCX: ffffffff8673e16e [ 121.838514][T10468] RDX: 000000000000026d RSI: ffffffff8673da55 RDI: 0000000000001368 [ 121.846507][T10468] RBP: ffffc90001c67848 R08: ffff8880909ba580 R09: ffffed1015d2703d [ 121.854503][T10468] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 000000000000002d [ 121.862486][T10468] R13: 0000000000000000 R14: 0000000000000001 R15: ffffc90001c67820 [ 121.870480][T10468] FS: 00000000007ea880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 121.879416][T10468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.885976][T10468] CR2: 000055d3123cd4c0 CR3: 00000000a68b8000 CR4: 00000000001406f0 [ 121.894231][T10468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 121.902217][T10468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 121.910198][T10468] Kernel panic - not syncing: Fatal exception [ 121.917564][T10468] Kernel Offset: disabled [ 121.921888][T10468] Rebooting in 86400 seconds..