[....] Starting enhanced syslogd: rsyslogd[ 12.006150] audit: type=1400 audit(1513736310.943:5): avc: denied { syslog } for pid=2992 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: [ 35.744526] audit: type=1400 audit(1513736334.682:6): avc: denied { map } for pid=3137 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-4,10.128.0.60' (ECDSA) to the list of known hosts. [ 41.838116] audit: type=1400 audit(1513736340.775:7): avc: denied { map } for pid=3149 comm="syzkaller924379" path="/root/syzkaller924379502" 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 [ 41.839648] WARNING: CPU: 1 PID: 3149 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 41.839657] Kernel panic - not syncing: panic_on_warn set ... [ 41.839657] [ 41.839664] CPU: 1 PID: 3149 Comm: syzkaller924379 Not tainted 4.15.0-rc2-mm1+ #39 [ 41.839668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.839671] Call Trace: [ 41.839680] dump_stack+0x194/0x257 [ 41.839690] ? arch_local_irq_restore+0x53/0x53 [ 41.839702] ? vsnprintf+0x1ed/0x1900 [ 41.839713] panic+0x1e4/0x41c [ 41.839720] ? refcount_error_report+0x214/0x214 [ 41.839726] ? show_regs_print_info+0x18/0x18 [ 41.839739] ? __warn+0x1c1/0x200 [ 41.839749] ? __wake_up_common+0x433/0x770 [ 41.839754] __warn+0x1dc/0x200 [ 41.839760] ? __wake_up_common+0x433/0x770 [ 41.839769] report_bug+0x211/0x2d0 [ 41.839782] fixup_bug.part.11+0x37/0x80 [ 41.839790] do_error_trap+0x2d7/0x3e0 [ 41.839800] ? math_error+0x400/0x400 [ 41.839808] ? check_noncircular+0x20/0x20 [ 41.839815] ? save_stack_trace+0x1a/0x20 [ 41.839821] ? __lock_acquire+0x324e/0x47f0 [ 41.839831] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 41.839842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.839854] do_invalid_op+0x1b/0x20 [ 41.839860] invalid_op+0x22/0x40 [ 41.839866] RIP: 0010:__wake_up_common+0x433/0x770 [ 41.839870] RSP: 0018:ffff8801c4e27648 EFLAGS: 00010246 [ 41.839876] RAX: 0000000000000000 RBX: ffff8801c4c12e50 RCX: 0000000000000004 [ 41.839880] RDX: 1ffffffff0c59731 RSI: ffff8801c4c12e68 RDI: 0000000000000282 [ 41.839884] RBP: ffff8801c4e27748 R08: ffff8801c4e27858 R09: 0000000000000000 [ 41.839887] R10: 000000000000000b R11: ffffed00389c4e48 R12: 0000000000000000 [ 41.839891] R13: ffff8801c4c12e00 R14: 0000000000000001 R15: ffff8801c4e27858 [ 41.839912] ? __wake_up_common+0x42b/0x770 [ 41.839924] ? do_wait_intr_irq+0x3e0/0x3e0 [ 41.839935] ? __kernel_text_address+0xd/0x40 [ 41.839941] ? check_noncircular+0x20/0x20 [ 41.839956] __wake_up_locked_key+0x16/0x20 [ 41.839964] userfaultfd_release+0x4da/0x750 [ 41.839972] ? free_fs_struct+0x52/0x60 [ 41.839984] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 41.839994] ? fsnotify+0x7b3/0x1140 [ 41.840013] ? fsnotify_first_mark+0x2b0/0x2b0 [ 41.840024] ? __might_sleep+0x95/0x190 [ 41.840032] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 41.840040] __fput+0x333/0x7f0 [ 41.840053] ? fput+0x140/0x140 [ 41.840061] ? _raw_spin_unlock_irq+0x27/0x70 [ 41.840073] ____fput+0x15/0x20 [ 41.840080] task_work_run+0x199/0x270 [ 41.840090] ? task_work_cancel+0x210/0x210 [ 41.840097] ? _raw_spin_unlock+0x22/0x30 [ 41.840104] ? switch_task_namespaces+0x87/0xc0 [ 41.840115] do_exit+0x9bb/0x1ae0 [ 41.840122] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.840132] ? mm_update_next_owner+0x930/0x930 [ 41.840137] ? lockdep_init_map+0x3d/0x70 [ 41.840145] ? debug_mutex_init+0x2d/0x60 [ 41.840158] ? find_held_lock+0x39/0x1d0 [ 41.840174] ? lock_downgrade+0x980/0x980 [ 41.840184] ? get_unused_fd_flags+0x190/0x190 [ 41.840201] ? __lock_is_held+0xbc/0x140 [ 41.840220] ? __fd_install+0x288/0x740 [ 41.840225] ? __init_waitqueue_head+0x97/0x140 [ 41.840233] ? get_unused_fd_flags+0x190/0x190 [ 41.840242] ? alloc_file+0x284/0x3a0 [ 41.840247] ? _raw_spin_unlock+0x22/0x30 [ 41.840257] ? anon_inode_getfile+0x349/0x490 [ 41.840266] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 41.840278] ? kmem_cache_alloc+0x469/0x760 [ 41.840285] ? vfs_write+0x22a/0x510 [ 41.840294] do_group_exit+0x149/0x400 [ 41.840303] ? SyS_exit+0x30/0x30 [ 41.840311] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.840318] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.840328] SyS_exit_group+0x1d/0x20 [ 41.840335] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 41.840340] RIP: 0033:0x43e848 [ 41.840343] RSP: 002b:00007ffed869b008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 41.840350] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 41.840354] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 41.840358] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 41.840361] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 41.840365] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 41.864008] Dumping ftrace buffer: [ 41.864057] (ftrace buffer empty) [ 41.864061] Kernel Offset: disabled [ 42.274320] Rebooting in 86400 seconds..