[?25l[?1c7[ ok 8[?25h[?0c. 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[?25l[?1c7[ ok 8[?25h[?0c. [ 12.735298] audit: type=1400 audit(1513768364.306:6): avc: denied { map } for pid=3126 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-9,10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.017646] audit: type=1400 audit(1513768376.588:7): avc: denied { map } for pid=3142 comm="syzkaller677964" path="/root/syzkaller677964042" 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 [ 25.019695] WARNING: CPU: 1 PID: 3142 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 25.019708] Kernel panic - not syncing: panic_on_warn set ... [ 25.019708] [ 25.019715] CPU: 1 PID: 3142 Comm: syzkaller677964 Not tainted 4.15.0-rc2-mm1+ #39 [ 25.019719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.019722] Call Trace: [ 25.019733] dump_stack+0x194/0x257 [ 25.019742] ? arch_local_irq_restore+0x53/0x53 [ 25.019755] ? vsnprintf+0x1ed/0x1900 [ 25.019767] panic+0x1e4/0x41c [ 25.019774] ? refcount_error_report+0x214/0x214 [ 25.019781] ? show_regs_print_info+0x18/0x18 [ 25.019794] ? __warn+0x1c1/0x200 [ 25.019805] ? __wake_up_common+0x433/0x770 [ 25.019810] __warn+0x1dc/0x200 [ 25.019816] ? __wake_up_common+0x433/0x770 [ 25.019825] report_bug+0x211/0x2d0 [ 25.019839] fixup_bug.part.11+0x37/0x80 [ 25.019847] do_error_trap+0x2d7/0x3e0 [ 25.019858] ? math_error+0x400/0x400 [ 25.019867] ? check_noncircular+0x20/0x20 [ 25.019874] ? save_stack_trace+0x1a/0x20 [ 25.019880] ? __lock_acquire+0x324e/0x47f0 [ 25.019890] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.019903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.019916] do_invalid_op+0x1b/0x20 [ 25.019922] invalid_op+0x22/0x40 [ 25.019928] RIP: 0010:__wake_up_common+0x433/0x770 [ 25.019931] RSP: 0018:ffff8801c515f648 EFLAGS: 00010246 [ 25.019938] RAX: 0000000000000000 RBX: ffff8801c630ce50 RCX: 0000000000000004 [ 25.019942] RDX: 1ffffffff0c59731 RSI: ffff8801c630ce68 RDI: 0000000000000282 [ 25.019946] RBP: ffff8801c515f748 R08: ffff8801c515f858 R09: 0000000000000000 [ 25.019950] R10: 000000000000000b R11: ffffed0038a2be48 R12: 0000000000000000 [ 25.019953] R13: ffff8801c630ce00 R14: 0000000000000001 R15: ffff8801c515f858 [ 25.019974] ? __wake_up_common+0x42b/0x770 [ 25.019992] ? do_wait_intr_irq+0x3e0/0x3e0 [ 25.020007] ? __kernel_text_address+0xd/0x40 [ 25.020014] ? check_noncircular+0x20/0x20 [ 25.020029] __wake_up_locked_key+0x16/0x20 [ 25.020039] userfaultfd_release+0x4da/0x750 [ 25.020049] ? free_fs_struct+0x52/0x60 [ 25.020061] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 25.020067] ? fsnotify+0x7b3/0x1140 [ 25.020083] ? fsnotify_first_mark+0x2b0/0x2b0 [ 25.020096] ? __might_sleep+0x95/0x190 [ 25.020104] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 25.020113] __fput+0x333/0x7f0 [ 25.020125] ? fput+0x140/0x140 [ 25.020134] ? _raw_spin_unlock_irq+0x27/0x70 [ 25.020146] ____fput+0x15/0x20 [ 25.020153] task_work_run+0x199/0x270 [ 25.020163] ? task_work_cancel+0x210/0x210 [ 25.020170] ? _raw_spin_unlock+0x22/0x30 [ 25.020177] ? switch_task_namespaces+0x87/0xc0 [ 25.020189] do_exit+0x9bb/0x1ae0 [ 25.020196] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.020206] ? mm_update_next_owner+0x930/0x930 [ 25.020211] ? lockdep_init_map+0x3d/0x70 [ 25.020219] ? debug_mutex_init+0x2d/0x60 [ 25.020232] ? find_held_lock+0x39/0x1d0 [ 25.020249] ? lock_downgrade+0x980/0x980 [ 25.020258] ? get_unused_fd_flags+0x190/0x190 [ 25.020276] ? __lock_is_held+0xbc/0x140 [ 25.020295] ? __fd_install+0x288/0x740 [ 25.020300] ? __init_waitqueue_head+0x97/0x140 [ 25.020309] ? get_unused_fd_flags+0x190/0x190 [ 25.020317] ? alloc_file+0x284/0x3a0 [ 25.020322] ? _raw_spin_unlock+0x22/0x30 [ 25.020332] ? anon_inode_getfile+0x349/0x490 [ 25.020341] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 25.020355] ? kmem_cache_alloc+0x469/0x760 [ 25.020362] ? vfs_write+0x22a/0x510 [ 25.020371] do_group_exit+0x149/0x400 [ 25.020380] ? SyS_exit+0x30/0x30 [ 25.020387] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.020395] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.020405] SyS_exit_group+0x1d/0x20 [ 25.020412] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.020418] RIP: 0033:0x43e848 [ 25.020421] RSP: 002b:00007ffc319a06d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.020428] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 25.020432] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 25.020435] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 25.020439] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 25.020443] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 25.043851] Dumping ftrace buffer: [ 25.043890] (ftrace buffer empty) [ 25.043894] Kernel Offset: disabled [ 25.453565] Rebooting in 86400 seconds..