Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[ 8.082231][ T22] audit: type=1400 audit(1580591887.249:10): avc: denied { watch } for pid=1794 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 [ 8.091867][ T22] audit: type=1400 audit(1580591887.249:11): avc: denied { watch } for pid=1794 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 [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.481939][ T22] audit: type=1400 audit(1580591891.649:12): 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 '10.128.10.19' (ECDSA) to the list of known hosts. [ 37.367057][ T22] audit: type=1400 audit(1580591916.529:13): avc: denied { map } for pid=1892 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2020/02/01 21:18:36 parsed 1 programs 2020/02/01 21:18:38 executed programs: 0 [ 39.262142][ T22] audit: type=1400 audit(1580591918.429:14): avc: denied { map } for pid=1892 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=7848 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 39.290665][ T1917] cgroup1: Unknown subsys name 'perf_event' [ 39.292094][ T1919] cgroup1: Unknown subsys name 'perf_event' [ 39.297476][ T1917] cgroup1: Unknown subsys name 'net_cls' [ 39.306570][ T1919] cgroup1: Unknown subsys name 'net_cls' [ 39.311871][ T1921] cgroup1: Unknown subsys name 'perf_event' [ 39.315346][ T1923] cgroup1: Unknown subsys name 'perf_event' [ 39.320347][ T1921] cgroup1: Unknown subsys name 'net_cls' [ 39.329240][ T1926] cgroup1: Unknown subsys name 'perf_event' [ 39.333958][ T1928] cgroup1: Unknown subsys name 'perf_event' [ 39.337608][ T1926] cgroup1: Unknown subsys name 'net_cls' [ 39.345249][ T1928] cgroup1: Unknown subsys name 'net_cls' [ 39.351826][ T1923] cgroup1: Unknown subsys name 'net_cls' [ 43.117665][ T22] audit: type=1400 audit(1580591922.279:15): avc: denied { associate } for pid=1919 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 43.161726][ T4282] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.222594][ T4317] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.338807][ T4364] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.360106][ T4363] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.381080][ T4377] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.454139][ T4389] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.467136][ T4391] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.504668][ T4401] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.633906][ T4410] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 43.647225][ T4417] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, 2020/02/01 21:18:43 executed programs: 14 [ 48.230883][ T4765] EXT4-fs: 68 callbacks suppressed [ 48.230890][ T4765] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.251095][ T4769] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.263868][ T4782] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.276677][ T4783] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.299093][ T4778] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.583447][ T4769] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.600959][ T4803] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.614840][ T4794] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.627564][ T4805] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, [ 48.710612][ T4811] EXT4-fs (sda1): re-mounted. Opts: min_batch_time=0x0000000005000000,max_batch_time=0x0000000000000000, 2020/02/01 21:18:48 executed programs: 64 [ 51.650292][ T5047] kasan: CONFIG_KASAN_INLINE enabled [ 51.661598][ T5047] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.669802][ T5047] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.676746][ T5047] CPU: 0 PID: 5047 Comm: udevd Not tainted 5.4.16-syzkaller-01251-gf7eefc38b845 #0 [ 51.686001][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.696049][ T5047] RIP: 0010:path_openat+0x324/0x3c00 [ 51.701312][ T5047] Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 [ 51.720899][ T5047] RSP: 0018:ffff8881c97674c0 EFLAGS: 00010247 [ 51.726940][ T5047] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881c97676e8 [ 51.734887][ T5047] RDX: ffff8881cae70c98 RSI: 0000000000000000 RDI: 0000000000000004 [ 51.742857][ T5047] RBP: ffff8881c9767790 R08: ffffffff817828f1 R09: 0000000000000003 [ 51.750814][ T5047] R10: ffffed10392ece4b R11: 0000000000000004 R12: ffff8881c97677e8 [ 51.758768][ T5047] R13: ffff8881ce06e700 R14: ffff8881c97679f0 R15: dffffc0000000000 [ 51.766722][ T5047] FS: 00007f1b23fd47a0(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 51.775657][ T5047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.782221][ T5047] CR2: 00007f1b23991518 CR3: 00000001cabe3003 CR4: 00000000001606f0 [ 51.790175][ T5047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.798123][ T5047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.806076][ T5047] Call Trace: [ 51.809351][ T5047] ? stack_trace_save+0x1e0/0x1e0 [ 51.814350][ T5047] ? is_bpf_text_address+0x2c8/0x2e0 [ 51.819605][ T5047] ? stack_trace_save+0x1e0/0x1e0 [ 51.824756][ T5047] ? do_filp_open+0x430/0x430 [ 51.829420][ T5047] ? stack_trace_save+0x111/0x1e0 [ 51.834428][ T5047] ? stack_trace_snprint+0x150/0x150 [ 51.839691][ T5047] do_filp_open+0x1f7/0x430 [ 51.844194][ T5047] ? vfs_tmpfile+0x230/0x230 [ 51.848825][ T5047] ? load_elf_binary+0x1abd/0x3720 [ 51.853966][ T5047] ? memset+0x31/0x40 [ 51.858219][ T5047] ? rw_verify_area+0x360/0x360 [ 51.863053][ T5047] do_open_execat+0x178/0x860 [ 51.867833][ T5047] ? security_file_permission+0x241/0x350 [ 51.873532][ T5047] ? open_exec+0x60/0x60 [ 51.877749][ T5047] ? __should_failslab+0x11a/0x160 [ 51.882840][ T5047] ? getname_kernel+0x59/0x2f0 [ 51.887604][ T5047] ? getname_kernel+0x15d/0x2f0 [ 51.892433][ T5047] ? memcpy+0x49/0x60 [ 51.896391][ T5047] ? getname_kernel+0x214/0x2f0 [ 51.901660][ T5047] open_exec+0x3d/0x60 [ 51.905717][ T5047] load_elf_binary+0x1abd/0x3720 [ 51.910634][ T5047] ? populate_vma_page_range+0x100/0x100 [ 51.916245][ T5047] ? __kasan_check_write+0x14/0x20 [ 51.921346][ T5047] ? _raw_read_unlock+0x12/0x30 [ 51.926177][ T5047] ? load_script+0x184/0x970 [ 51.930786][ T5047] ? bm_evict_inode+0xd0/0xd0 [ 51.935444][ T5047] ? copy_strings+0x7e4/0x900 [ 51.940097][ T5047] ? load_script+0x970/0x970 [ 51.944791][ T5047] search_binary_handler+0x190/0x5e0 [ 51.950057][ T5047] __do_execve_file+0x12a2/0x1c00 [ 51.955056][ T5047] ? do_execve_file+0x40/0x40 [ 51.959718][ T5047] ? getname_flags+0x214/0x640 [ 51.964465][ T5047] __x64_sys_execve+0x94/0xb0 [ 51.969163][ T5047] do_syscall_64+0xc0/0x100 [ 51.973653][ T5047] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.979521][ T5047] RIP: 0033:0x7f1b236b8207 [ 51.983910][ T5047] Code: 77 19 f4 48 89 d7 44 89 c0 0f 05 48 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 f7 d8 64 41 89 01 eb df b8 3b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 f3 c3 48 8b 15 00 8c 2d 00 f7 d8 64 89 02 [ 52.003602][ T5047] RSP: 002b:00007ffdbd085e28 EFLAGS: 00000206 ORIG_RAX: 000000000000003b [ 52.011994][ T5047] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f1b236b8207 [ 52.020053][ T5047] RDX: 00000000015a7e80 RSI: 00007ffdbd085f20 RDI: 00007ffdbd086f30 [ 52.028018][ T5047] RBP: 0000000000625500 R08: 0000000000001118 R09: 0000000000001118 [ 52.035976][ T5047] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000015a7e80 [ 52.043927][ T5047] R13: 0000000000000007 R14: 0000000001558030 R15: 0000000000000005 [ 52.051880][ T5047] Modules linked in: [ 52.056417][ T5047] ---[ end trace 2df848be6a74d1f8 ]--- [ 52.062049][ T5047] RIP: 0010:path_openat+0x324/0x3c00 [ 52.067334][ T5047] Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 [ 52.087165][ T5047] RSP: 0018:ffff8881c97674c0 EFLAGS: 00010247 [ 52.093247][ T5047] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881c97676e8 [ 52.101875][ T5047] RDX: ffff8881cae70c98 RSI: 0000000000000000 RDI: 0000000000000004 [ 52.110302][ T5047] RBP: ffff8881c9767790 R08: ffffffff817828f1 R09: 0000000000000003 [ 52.118260][ T5047] R10: ffffed10392ece4b R11: 0000000000000004 R12: ffff8881c97677e8 [ 52.126373][ T5047] R13: ffff8881ce06e700 R14: ffff8881c97679f0 R15: dffffc0000000000 [ 52.134366][ T5047] FS: 00007f1b23fd47a0(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 52.143326][ T5047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.149981][ T5047] CR2: 00007f1b23991518 CR3: 00000001cabe3003 CR4: 00000000001606f0 [ 52.158083][ T5047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.166289][ T5047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.174761][ T5047] Kernel panic - not syncing: Fatal exception [ 52.181511][ T5047] Kernel Offset: disabled [ 52.185825][ T5047] Rebooting in 86400 seconds..