[?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. [ 13.548919] audit: type=1400 audit(1513706798.012:6): 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-8,10.128.0.28' (ECDSA) to the list of known hosts. syzkaller login: [ 19.906841] audit: type=1400 audit(1513706804.370:7): avc: denied { map } for pid=3145 comm="syzkaller073901" path="/root/syzkaller073901196" 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 [ 19.909126] WARNING: CPU: 1 PID: 3145 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 19.909139] Kernel panic - not syncing: panic_on_warn set ... [ 19.909139] [ 19.909148] CPU: 1 PID: 3145 Comm: syzkaller073901 Not tainted 4.15.0-rc2-mm1+ #39 [ 19.909154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.909159] Call Trace: [ 19.909171] dump_stack+0x194/0x257 [ 19.909187] ? arch_local_irq_restore+0x53/0x53 [ 19.909204] ? vsnprintf+0x1ed/0x1900 [ 19.909222] panic+0x1e4/0x41c [ 19.909232] ? refcount_error_report+0x214/0x214 [ 19.909241] ? show_regs_print_info+0x18/0x18 [ 19.909262] ? __warn+0x1c1/0x200 [ 19.909278] ? __wake_up_common+0x433/0x770 [ 19.909286] __warn+0x1dc/0x200 [ 19.909296] ? __wake_up_common+0x433/0x770 [ 19.909310] report_bug+0x211/0x2d0 [ 19.909330] fixup_bug.part.11+0x37/0x80 [ 19.909342] do_error_trap+0x2d7/0x3e0 [ 19.909360] ? math_error+0x400/0x400 [ 19.909372] ? check_noncircular+0x20/0x20 [ 19.909381] ? mark_held_locks+0xb2/0x100 [ 19.909389] ? __lock_acquire+0x324e/0x47f0 [ 19.909400] ? retint_kernel+0x10/0x10 [ 19.909418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.909437] do_invalid_op+0x1b/0x20 [ 19.909447] invalid_op+0x22/0x40 [ 19.909455] RIP: 0010:__wake_up_common+0x433/0x770 [ 19.909462] RSP: 0018:ffff8801c4e87648 EFLAGS: 00010246 [ 19.909472] RAX: 0000000000000000 RBX: ffff8801c58cce50 RCX: 0000000000000004 [ 19.909479] RDX: 1ffffffff0c59731 RSI: ffff8801c58cce68 RDI: 0000000000000282 [ 19.909485] RBP: ffff8801c4e87748 R08: ffff8801c4e87858 R09: 0000000000000000 [ 19.909491] R10: 000000000000000b R11: ffffed00389d0e48 R12: 0000000000000000 [ 19.909497] R13: ffff8801c58cce00 R14: 0000000000000001 R15: ffff8801c4e87858 [ 19.909531] ? __wake_up_common+0x42b/0x770 [ 19.909550] ? do_wait_intr_irq+0x3e0/0x3e0 [ 19.909566] ? __kernel_text_address+0xd/0x40 [ 19.909576] ? check_noncircular+0x20/0x20 [ 19.909601] __wake_up_locked_key+0x16/0x20 [ 19.909611] userfaultfd_release+0x4da/0x750 [ 19.909624] ? free_fs_struct+0x52/0x60 [ 19.909643] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 19.909651] ? fsnotify+0x7b3/0x1140 [ 19.909676] ? fsnotify_first_mark+0x2b0/0x2b0 [ 19.909693] ? __might_sleep+0x95/0x190 [ 19.909707] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 19.909717] __fput+0x333/0x7f0 [ 19.909737] ? fput+0x140/0x140 [ 19.909750] ? _raw_spin_unlock_irq+0x27/0x70 [ 19.909770] ____fput+0x15/0x20 [ 19.909780] task_work_run+0x199/0x270 [ 19.909796] ? task_work_cancel+0x210/0x210 [ 19.909808] ? _raw_spin_unlock+0x22/0x30 [ 19.909818] ? switch_task_namespaces+0x87/0xc0 [ 19.909836] do_exit+0x9bb/0x1ae0 [ 19.909848] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 19.909863] ? mm_update_next_owner+0x930/0x930 [ 19.909871] ? lockdep_init_map+0x3d/0x70 [ 19.909885] ? debug_mutex_init+0x2d/0x60 [ 19.909909] ? find_held_lock+0x39/0x1d0 [ 19.909936] ? lock_downgrade+0x980/0x980 [ 19.909948] ? get_unused_fd_flags+0x190/0x190 [ 19.909976] ? __lock_is_held+0xbc/0x140 [ 19.910010] ? __fd_install+0x288/0x740 [ 19.910018] ? __init_waitqueue_head+0x97/0x140 [ 19.910032] ? get_unused_fd_flags+0x190/0x190 [ 19.910045] ? alloc_file+0x284/0x3a0 [ 19.910053] ? _raw_spin_unlock+0x22/0x30 [ 19.910070] ? anon_inode_getfile+0x349/0x490 [ 19.910084] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 19.910102] ? kmem_cache_alloc+0x469/0x760 [ 19.910113] ? vfs_write+0x22a/0x510 [ 19.910129] do_group_exit+0x149/0x400 [ 19.910143] ? SyS_exit+0x30/0x30 [ 19.910155] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 19.910167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 19.910183] SyS_exit_group+0x1d/0x20 [ 19.910194] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.910202] RIP: 0033:0x43e848 [ 19.910207] RSP: 002b:00007ffef222c3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.910218] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 19.910224] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 19.910231] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 19.910237] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 19.910243] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 19.933080] Dumping ftrace buffer: [ 19.933120] (ftrace buffer empty) [ 19.933123] Kernel Offset: disabled [ 20.342037] Rebooting in 86400 seconds..