[....] Starting enhanced syslogd: rsyslogd[ 12.052333] audit: type=1400 audit(1513737719.286:5): avc: denied { syslog } for pid=2998 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 143.319389] audit: type=1400 audit(1513737850.554:6): avc: denied { map } for pid=3142 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 'ci-upstream-mmots-kasan-gce-1,10.128.15.234' (ECDSA) to the list of known hosts. [ 163.227264] audit: type=1400 audit(1513737870.462:7): avc: denied { map } for pid=3154 comm="syzkaller142282" path="/root/syzkaller142282577" 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 [ 163.229043] WARNING: CPU: 0 PID: 3154 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 163.229055] Kernel panic - not syncing: panic_on_warn set ... [ 163.229055] [ 163.229062] CPU: 0 PID: 3154 Comm: syzkaller142282 Not tainted 4.15.0-rc2-mm1+ #39 [ 163.229066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.229070] Call Trace: [ 163.229081] dump_stack+0x194/0x257 [ 163.229091] ? arch_local_irq_restore+0x53/0x53 [ 163.229104] ? vsnprintf+0x1ed/0x1900 [ 163.229116] panic+0x1e4/0x41c [ 163.229123] ? refcount_error_report+0x214/0x214 [ 163.229130] ? show_regs_print_info+0x18/0x18 [ 163.229143] ? __warn+0x1c1/0x200 [ 163.229153] ? __wake_up_common+0x433/0x770 [ 163.229158] __warn+0x1dc/0x200 [ 163.229165] ? __wake_up_common+0x433/0x770 [ 163.229173] report_bug+0x211/0x2d0 [ 163.229188] fixup_bug.part.11+0x37/0x80 [ 163.229196] do_error_trap+0x2d7/0x3e0 [ 163.229206] ? math_error+0x400/0x400 [ 163.229215] ? check_noncircular+0x20/0x20 [ 163.229223] ? save_stack_trace+0x1a/0x20 [ 163.229228] ? __lock_acquire+0x324e/0x47f0 [ 163.229240] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 163.229252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 163.229265] do_invalid_op+0x1b/0x20 [ 163.229271] invalid_op+0x22/0x40 [ 163.229277] RIP: 0010:__wake_up_common+0x433/0x770 [ 163.229281] RSP: 0018:ffff8801c4baf648 EFLAGS: 00010246 [ 163.229288] RAX: 0000000000000000 RBX: ffff8801c4b93e50 RCX: 0000000000000004 [ 163.229292] RDX: 1ffffffff0c59731 RSI: ffff8801c4b93e68 RDI: 0000000000000282 [ 163.229296] RBP: ffff8801c4baf748 R08: ffff8801c4baf858 R09: 0000000000000000 [ 163.229300] R10: 000000000000000b R11: ffffed0038975e48 R12: 0000000000000000 [ 163.229304] R13: ffff8801c4b93e00 R14: 0000000000000001 R15: ffff8801c4baf858 [ 163.229325] ? __wake_up_common+0x42b/0x770 [ 163.229337] ? do_wait_intr_irq+0x3e0/0x3e0 [ 163.229349] ? __kernel_text_address+0xd/0x40 [ 163.229356] ? check_noncircular+0x20/0x20 [ 163.229371] __wake_up_locked_key+0x16/0x20 [ 163.229379] userfaultfd_release+0x4da/0x750 [ 163.229388] ? free_fs_struct+0x52/0x60 [ 163.229399] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 163.229405] ? fsnotify+0x7b3/0x1140 [ 163.229421] ? fsnotify_first_mark+0x2b0/0x2b0 [ 163.229432] ? __might_sleep+0x95/0x190 [ 163.229440] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 163.229448] __fput+0x333/0x7f0 [ 163.229460] ? fput+0x140/0x140 [ 163.229468] ? _raw_spin_unlock_irq+0x27/0x70 [ 163.229481] ____fput+0x15/0x20 [ 163.229488] task_work_run+0x199/0x270 [ 163.229497] ? task_work_cancel+0x210/0x210 [ 163.229505] ? _raw_spin_unlock+0x22/0x30 [ 163.229512] ? switch_task_namespaces+0x87/0xc0 [ 163.229523] do_exit+0x9bb/0x1ae0 [ 163.229530] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 163.229540] ? mm_update_next_owner+0x930/0x930 [ 163.229545] ? lockdep_init_map+0x3d/0x70 [ 163.229554] ? debug_mutex_init+0x2d/0x60 [ 163.229566] ? find_held_lock+0x39/0x1d0 [ 163.229583] ? lock_downgrade+0x980/0x980 [ 163.229591] ? get_unused_fd_flags+0x190/0x190 [ 163.229608] ? __lock_is_held+0xbc/0x140 [ 163.229627] ? __fd_install+0x288/0x740 [ 163.229632] ? __init_waitqueue_head+0x97/0x140 [ 163.229641] ? get_unused_fd_flags+0x190/0x190 [ 163.229649] ? alloc_file+0x284/0x3a0 [ 163.229654] ? _raw_spin_unlock+0x22/0x30 [ 163.229665] ? anon_inode_getfile+0x349/0x490 [ 163.229673] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 163.229686] ? kmem_cache_alloc+0x469/0x760 [ 163.229693] ? vfs_write+0x22a/0x510 [ 163.229702] do_group_exit+0x149/0x400 [ 163.229715] ? SyS_exit+0x30/0x30 [ 163.229723] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 163.229730] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 163.229740] SyS_exit_group+0x1d/0x20 [ 163.229747] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 163.229752] RIP: 0033:0x43e848 [ 163.229756] RSP: 002b:00007ffcdd2beca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 163.229763] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 163.229766] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 163.229770] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 163.229774] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 163.229777] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 163.253661] Dumping ftrace buffer: [ 163.253709] (ftrace buffer empty) [ 163.253713] Kernel Offset: disabled [ 163.666043] Rebooting in 86400 seconds..