[....] Starting enhanced syslogd: rsyslogd[ 12.993736] audit: type=1400 audit(1513668876.653:5): avc: denied { syslog } for pid=2993 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 18.716928] audit: type=1400 audit(1513668882.376:6): avc: denied { map } for pid=3134 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-5,10.128.0.39' (ECDSA) to the list of known hosts. executing program [ 24.989686] audit: type=1400 audit(1513668888.649:7): avc: denied { map } for pid=3148 comm="syzkaller021878" path="/root/syzkaller021878339" 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 [ 24.991484] WARNING: CPU: 0 PID: 3148 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 24.991494] Kernel panic - not syncing: panic_on_warn set ... [ 24.991494] [ 24.991501] CPU: 0 PID: 3148 Comm: syzkaller021878 Not tainted 4.15.0-rc2-mm1+ #39 [ 24.991505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.991508] Call Trace: [ 24.991517] dump_stack+0x194/0x257 [ 24.991526] ? arch_local_irq_restore+0x53/0x53 [ 24.991539] ? vsnprintf+0x1ed/0x1900 [ 24.991550] panic+0x1e4/0x41c [ 24.991557] ? refcount_error_report+0x214/0x214 [ 24.991564] ? show_regs_print_info+0x18/0x18 [ 24.991577] ? __warn+0x1c1/0x200 [ 24.991587] ? __wake_up_common+0x433/0x770 [ 24.991592] __warn+0x1dc/0x200 [ 24.991599] ? __wake_up_common+0x433/0x770 [ 24.991607] report_bug+0x211/0x2d0 [ 24.991621] fixup_bug.part.11+0x37/0x80 [ 24.991629] do_error_trap+0x2d7/0x3e0 [ 24.991639] ? math_error+0x400/0x400 [ 24.991647] ? check_noncircular+0x20/0x20 [ 24.991654] ? save_stack_trace+0x1a/0x20 [ 24.991660] ? __lock_acquire+0x324e/0x47f0 [ 24.991669] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.991681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.991693] do_invalid_op+0x1b/0x20 [ 24.991699] invalid_op+0x22/0x40 [ 24.991704] RIP: 0010:__wake_up_common+0x433/0x770 [ 24.991708] RSP: 0018:ffff8801c4e2f648 EFLAGS: 00010246 [ 24.991715] RAX: 0000000000000000 RBX: ffff8801c58b9e50 RCX: 0000000000000004 [ 24.991719] RDX: 1ffffffff0c59731 RSI: ffff8801c58b9e68 RDI: 0000000000000282 [ 24.991723] RBP: ffff8801c4e2f748 R08: ffff8801c4e2f858 R09: 0000000000000000 [ 24.991726] R10: 000000000000000b R11: ffffed00389c5e48 R12: 0000000000000000 [ 24.991730] R13: ffff8801c58b9e00 R14: 0000000000000001 R15: ffff8801c4e2f858 [ 24.991751] ? __wake_up_common+0x42b/0x770 [ 24.991763] ? do_wait_intr_irq+0x3e0/0x3e0 [ 24.991773] ? __kernel_text_address+0xd/0x40 [ 24.991780] ? check_noncircular+0x20/0x20 [ 24.991795] __wake_up_locked_key+0x16/0x20 [ 24.991802] userfaultfd_release+0x4da/0x750 [ 24.991810] ? free_fs_struct+0x52/0x60 [ 24.991822] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 24.991827] ? fsnotify+0x7b3/0x1140 [ 24.991843] ? fsnotify_first_mark+0x2b0/0x2b0 [ 24.991853] ? __might_sleep+0x95/0x190 [ 24.991862] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 24.991869] __fput+0x333/0x7f0 [ 24.991881] ? fput+0x140/0x140 [ 24.991889] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.991902] ____fput+0x15/0x20 [ 24.991908] task_work_run+0x199/0x270 [ 24.991918] ? task_work_cancel+0x210/0x210 [ 24.991926] ? _raw_spin_unlock+0x22/0x30 [ 24.991932] ? switch_task_namespaces+0x87/0xc0 [ 24.991944] do_exit+0x9bb/0x1ae0 [ 24.991951] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.991961] ? mm_update_next_owner+0x930/0x930 [ 24.991965] ? lockdep_init_map+0x3d/0x70 [ 24.991974] ? debug_mutex_init+0x2d/0x60 [ 24.991986] ? find_held_lock+0x39/0x1d0 [ 24.992007] ? lock_downgrade+0x980/0x980 [ 24.992020] ? get_unused_fd_flags+0x190/0x190 [ 24.992038] ? __lock_is_held+0xbc/0x140 [ 24.992057] ? __fd_install+0x288/0x740 [ 24.992062] ? __init_waitqueue_head+0x97/0x140 [ 24.992070] ? get_unused_fd_flags+0x190/0x190 [ 24.992079] ? alloc_file+0x284/0x3a0 [ 24.992084] ? _raw_spin_unlock+0x22/0x30 [ 24.992094] ? anon_inode_getfile+0x349/0x490 [ 24.992103] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 24.992115] ? kmem_cache_alloc+0x469/0x760 [ 24.992122] ? vfs_write+0x22a/0x510 [ 24.992132] do_group_exit+0x149/0x400 [ 24.992140] ? SyS_exit+0x30/0x30 [ 24.992148] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.992155] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.992165] SyS_exit_group+0x1d/0x20 [ 24.992172] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.992177] RIP: 0033:0x43e848 [ 24.992181] RSP: 002b:00007ffc40b97138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.992187] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 24.992191] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 24.992195] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 24.992198] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 24.992202] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 25.015584] Dumping ftrace buffer: [ 25.015621] (ftrace buffer empty) [ 25.015625] Kernel Offset: disabled [ 25.425305] Rebooting in 86400 seconds..