[....] Starting enhanced syslogd: rsyslogd[ 12.217493] audit: type=1400 audit(1513739634.086:5): avc: denied { syslog } for pid=2991 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.817077] audit: type=1400 audit(1513739640.685:6): avc: denied { map } for pid=3131 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-5,10.128.0.48' (ECDSA) to the list of known hosts. executing program [ 28.001202] audit: type=1400 audit(1513739649.870:7): avc: denied { map } for pid=3146 comm="syzkaller263457" path="/root/syzkaller263457905" 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 [ 28.003649] WARNING: CPU: 0 PID: 3146 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 28.003663] Kernel panic - not syncing: panic_on_warn set ... [ 28.003663] [ 28.003672] CPU: 0 PID: 3146 Comm: syzkaller263457 Not tainted 4.15.0-rc2-mm1+ #39 [ 28.003678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.003683] Call Trace: [ 28.003695] dump_stack+0x194/0x257 [ 28.003709] ? arch_local_irq_restore+0x53/0x53 [ 28.003728] ? vsnprintf+0x1ed/0x1900 [ 28.003745] panic+0x1e4/0x41c [ 28.003755] ? refcount_error_report+0x214/0x214 [ 28.003764] ? show_regs_print_info+0x18/0x18 [ 28.003785] ? __warn+0x1c1/0x200 [ 28.003801] ? __wake_up_common+0x433/0x770 [ 28.003809] __warn+0x1dc/0x200 [ 28.003820] ? __wake_up_common+0x433/0x770 [ 28.003833] report_bug+0x211/0x2d0 [ 28.003853] fixup_bug.part.11+0x37/0x80 [ 28.003865] do_error_trap+0x2d7/0x3e0 [ 28.003881] ? math_error+0x400/0x400 [ 28.003894] ? check_noncircular+0x20/0x20 [ 28.003902] ? save_stack_trace+0x1a/0x20 [ 28.003911] ? __lock_acquire+0x324e/0x47f0 [ 28.003925] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 28.003941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.003960] do_invalid_op+0x1b/0x20 [ 28.003969] invalid_op+0x22/0x40 [ 28.003978] RIP: 0010:__wake_up_common+0x433/0x770 [ 28.003984] RSP: 0018:ffff8801c481f648 EFLAGS: 00010246 [ 28.003995] RAX: 0000000000000000 RBX: ffff8801c5397e50 RCX: 0000000000000004 [ 28.004004] RDX: 1ffffffff0c59731 RSI: ffff8801c5397e68 RDI: 0000000000000282 [ 28.004011] RBP: ffff8801c481f748 R08: ffff8801c481f858 R09: 0000000000000000 [ 28.004021] R10: 000000000000000b R11: ffffed0038903e48 R12: 0000000000000000 [ 28.004027] R13: ffff8801c5397e00 R14: 0000000000000001 R15: ffff8801c481f858 [ 28.004061] ? __wake_up_common+0x42b/0x770 [ 28.004081] ? do_wait_intr_irq+0x3e0/0x3e0 [ 28.004098] ? __kernel_text_address+0xd/0x40 [ 28.004108] ? check_noncircular+0x20/0x20 [ 28.004132] __wake_up_locked_key+0x16/0x20 [ 28.004143] userfaultfd_release+0x4da/0x750 [ 28.004156] ? free_fs_struct+0x52/0x60 [ 28.004175] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 28.004183] ? fsnotify+0x7b3/0x1140 [ 28.004209] ? fsnotify_first_mark+0x2b0/0x2b0 [ 28.004227] ? __might_sleep+0x95/0x190 [ 28.004241] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 28.004252] __fput+0x333/0x7f0 [ 28.004272] ? fput+0x140/0x140 [ 28.004285] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.004305] ____fput+0x15/0x20 [ 28.004316] task_work_run+0x199/0x270 [ 28.004332] ? task_work_cancel+0x210/0x210 [ 28.004344] ? _raw_spin_unlock+0x22/0x30 [ 28.004354] ? switch_task_namespaces+0x87/0xc0 [ 28.004372] do_exit+0x9bb/0x1ae0 [ 28.004384] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.004399] ? mm_update_next_owner+0x930/0x930 [ 28.004407] ? lockdep_init_map+0x3d/0x70 [ 28.004421] ? debug_mutex_init+0x2d/0x60 [ 28.004441] ? find_held_lock+0x39/0x1d0 [ 28.004468] ? lock_downgrade+0x980/0x980 [ 28.004481] ? get_unused_fd_flags+0x190/0x190 [ 28.004509] ? __lock_is_held+0xbc/0x140 [ 28.004540] ? __fd_install+0x288/0x740 [ 28.004548] ? __init_waitqueue_head+0x97/0x140 [ 28.004561] ? get_unused_fd_flags+0x190/0x190 [ 28.004575] ? alloc_file+0x284/0x3a0 [ 28.004583] ? _raw_spin_unlock+0x22/0x30 [ 28.004599] ? anon_inode_getfile+0x349/0x490 [ 28.004614] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 28.004631] ? kmem_cache_alloc+0x469/0x760 [ 28.004643] ? vfs_write+0x22a/0x510 [ 28.004658] do_group_exit+0x149/0x400 [ 28.004672] ? SyS_exit+0x30/0x30 [ 28.004684] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.004696] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.004712] SyS_exit_group+0x1d/0x20 [ 28.004723] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 28.004730] RIP: 0033:0x43e848 [ 28.004736] RSP: 002b:00007ffc359c2c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.004747] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 28.004753] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 28.004760] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 28.004766] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 28.004771] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 28.027776] Dumping ftrace buffer: [ 28.027810] (ftrace buffer empty) [ 28.027813] Kernel Offset: disabled [ 28.439826] Rebooting in 86400 seconds..