Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 8.176920][ T22] audit: type=1400 audit(1578747490.366:10): avc: denied { watch } for pid=1786 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 [ 8.184260][ T22] audit: type=1400 audit(1578747490.366:11): avc: denied { watch } for pid=1786 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2280 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 10.692876][ T22] audit: type=1400 audit(1578747492.886:12): avc: denied { map } for pid=1868 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 '10.128.0.192' (ECDSA) to the list of known hosts. executing program [ 19.174038][ T22] audit: type=1400 audit(1578747501.366:13): avc: denied { map } for pid=1886 comm="syz-executor075" path="/root/syz-executor075858680" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 19.175846][ T1886] kasan: CONFIG_KASAN_INLINE enabled [ 19.179633][ T1886] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 19.180881][ T1886] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 19.181945][ T1886] CPU: 0 PID: 1886 Comm: syz-executor075 Not tainted 5.4.10-syzkaller-00217-gf5f770e495ba #0 [ 19.183572][ T1886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.185483][ T1886] RIP: 0010:nf_ct_netns_do_get+0x53/0x560 [ 19.186340][ T1886] Code: 00 00 fc ff df 42 8a 04 28 84 c0 0f 85 67 04 00 00 8b 1d 04 9e 7f 01 e8 fb 59 3b fe 4d 8d be 30 0c 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 3e e2 7a fe 4c 89 75 d0 48 c1 e3 [ 19.189934][ T1886] RSP: 0018:ffff8881d084f630 EFLAGS: 00010202 [ 19.190747][ T1886] RAX: 0000000000000186 RBX: 000000000000000a RCX: dffffc0000000000 [ 19.191829][ T1886] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 19.192962][ T1886] RBP: ffff8881d084f660 R08: 0000000000000001 R09: ffffffff82f59d65 [ 19.194055][ T1886] R10: ffff8881d397ac40 R11: 0000000000000002 R12: 0000000000000003 [ 19.201492][ T1886] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000c30 [ 19.209436][ T1886] FS: 0000000001677880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 19.218348][ T1886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.224903][ T1886] CR2: 0000000020000420 CR3: 00000001d1f3b003 CR4: 00000000001606f0 [ 19.232847][ T1886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.240801][ T1886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.248741][ T1886] Call Trace: [ 19.252006][ T1886] ? nf_ct_netns_get+0xe8/0x420 [ 19.256826][ T1886] nf_ct_netns_get+0xf3/0x420 [ 19.261475][ T1886] connmark_tg_check+0x57/0x100 [ 19.266294][ T1886] xt_check_target+0x70f/0xbc0 [ 19.271028][ T1886] ? __module_get+0x140/0x140 [ 19.275674][ T1886] ? xt_find_jump_offset+0x100/0x100 [ 19.280938][ T1886] ? __kasan_check_write+0x14/0x20 [ 19.286018][ T1886] ? mutex_unlock+0x1d/0x40 [ 19.290489][ T1886] ? xt_find_target+0x22c/0x240 [ 19.295309][ T1886] ? xt_find_target+0x209/0x240 [ 19.300131][ T1886] translate_table+0x1b44/0x2270 [ 19.305037][ T1886] ? arpt_register_table+0x670/0x670 [ 19.310293][ T1886] ? __should_failslab+0x90/0x160 [ 19.315297][ T1886] ? kvmalloc_node+0xc6/0x120 [ 19.319943][ T1886] ? selinux_capable+0x39/0x50 [ 19.324675][ T1886] ? __kasan_check_write+0x14/0x20 [ 19.329801][ T1886] ? _copy_from_user+0xa8/0xe0 [ 19.334552][ T1886] do_arpt_set_ctl+0x385/0x7f0 [ 19.339287][ T1886] ? avc_has_perm+0x15f/0x260 [ 19.343930][ T1886] ? arpt_unregister_table+0x4b0/0x4b0 [ 19.349356][ T1886] ? avc_has_perm_noaudit+0x3f0/0x3f0 [ 19.354696][ T1886] ? __module_get+0x140/0x140 [ 19.359341][ T1886] ? selinux_socket_setsockopt+0x247/0x340 [ 19.365125][ T1886] nf_setsockopt+0x28e/0x2b0 [ 19.369695][ T1886] ip_setsockopt+0xc7/0xe0 [ 19.374081][ T1886] udp_setsockopt+0x79/0x90 [ 19.378565][ T1886] sock_common_setsockopt+0x99/0xb0 [ 19.383729][ T1886] ? sock_common_recvmsg+0x240/0x240 [ 19.388986][ T1886] __sys_setsockopt+0x4ee/0x8b0 [ 19.393805][ T1886] ? sockfs_listxattr+0xe0/0xe0 [ 19.398623][ T1886] __x64_sys_setsockopt+0xbf/0xd0 [ 19.403617][ T1886] do_syscall_64+0xc0/0x100 [ 19.408096][ T1886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.413955][ T1886] RIP: 0033:0x4416c9 [ 19.417817][ T1886] 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 [ 19.437398][ T1886] RSP: 002b:00007ffd04cbf0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 19.445788][ T1886] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004416c9 [ 19.453837][ T1886] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 19.461780][ T1886] RBP: 00000000006cb018 R08: 00000000000003d7 R09: 00000000004002c8 [ 19.469731][ T1886] R10: 0000000020000400 R11: 0000000000000246 R12: 0000000000402f50 [ 19.477685][ T1886] R13: 0000000000402fe0 R14: 0000000000000000 R15: 0000000000000000 [ 19.485633][ T1886] Modules linked in: [ 19.489647][ T1886] ---[ end trace dcc005c56d1b5a73 ]--- [ 19.495098][ T1886] RIP: 0010:nf_ct_netns_do_get+0x53/0x560 [ 19.500825][ T1886] Code: 00 00 fc ff df 42 8a 04 28 84 c0 0f 85 67 04 00 00 8b 1d 04 9e 7f 01 e8 fb 59 3b fe 4d 8d be 30 0c 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 3e e2 7a fe 4c 89 75 d0 48 c1 e3 [ 19.520432][ T1886] RSP: 0018:ffff8881d084f630 EFLAGS: 00010202 [ 19.526468][ T1886] RAX: 0000000000000186 RBX: 000000000000000a RCX: dffffc0000000000 [ 19.534437][ T1886] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 19.542405][ T1886] RBP: ffff8881d084f660 R08: 0000000000000001 R09: ffffffff82f59d65 [ 19.550405][ T1886] R10: ffff8881d397ac40 R11: 0000000000000002 R12: 0000000000000003 [ 19.558390][ T1886] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000c30 [ 19.566340][ T1886] FS: 0000000001677880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 19.575275][ T1886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.581870][ T1886] CR2: 0000000020000420 CR3: 00000001d1f3b003 CR4: 00000000001606f0 [ 19.589857][ T1886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.597820][ T1886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.605814][ T1886] Kernel panic - not syncing: Fatal exception [ 19.612520][ T1886] Kernel Offset: disabled [ 19.616830][ T1886] Rebooting in 86400 seconds..