[ 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..