[ 12.368484] audit: type=1400 audit(1513745194.467:5): avc: denied { syslog } for pid=2989 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?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: [ 16.808757] audit: type=1400 audit(1513745198.907:6): avc: denied { map } for pid=3132 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-9,10.128.15.212' (ECDSA) to the list of known hosts. executing program [ 23.079530] audit: type=1400 audit(1513745205.178:7): avc: denied { map } for pid=3146 comm="syzkaller250910" path="/root/syzkaller250910988" 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 [ 23.082019] WARNING: CPU: 1 PID: 3146 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 23.082032] Kernel panic - not syncing: panic_on_warn set ... [ 23.082032] [ 23.082041] CPU: 1 PID: 3146 Comm: syzkaller250910 Not tainted 4.15.0-rc2-mm1+ #39 [ 23.082047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.082052] Call Trace: [ 23.082065] dump_stack+0x194/0x257 [ 23.082081] ? arch_local_irq_restore+0x53/0x53 [ 23.082099] ? vsnprintf+0x1ed/0x1900 [ 23.082116] panic+0x1e4/0x41c [ 23.082127] ? refcount_error_report+0x214/0x214 [ 23.082136] ? show_regs_print_info+0x18/0x18 [ 23.082158] ? __warn+0x1c1/0x200 [ 23.082173] ? __wake_up_common+0x433/0x770 [ 23.082182] __warn+0x1dc/0x200 [ 23.082193] ? __wake_up_common+0x433/0x770 [ 23.082207] report_bug+0x211/0x2d0 [ 23.082227] fixup_bug.part.11+0x37/0x80 [ 23.082239] do_error_trap+0x2d7/0x3e0 [ 23.082256] ? math_error+0x400/0x400 [ 23.082268] ? check_noncircular+0x20/0x20 [ 23.082277] ? save_stack_trace+0x1a/0x20 [ 23.082286] ? __lock_acquire+0x324e/0x47f0 [ 23.082301] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.082317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.082337] do_invalid_op+0x1b/0x20 [ 23.082346] invalid_op+0x22/0x40 [ 23.082355] RIP: 0010:__wake_up_common+0x433/0x770 [ 23.082361] RSP: 0018:ffff8801c59c7648 EFLAGS: 00010246 [ 23.082372] RAX: 0000000000000000 RBX: ffff8801c6c80e50 RCX: 0000000000000004 [ 23.082378] RDX: 1ffffffff0c59731 RSI: ffff8801c6c80e68 RDI: 0000000000000282 [ 23.082384] RBP: ffff8801c59c7748 R08: ffff8801c59c7858 R09: 0000000000000000 [ 23.082390] R10: 000000000000000b R11: ffffed0038b38e48 R12: 0000000000000000 [ 23.082396] R13: ffff8801c6c80e00 R14: 0000000000000001 R15: ffff8801c59c7858 [ 23.082430] ? __wake_up_common+0x42b/0x770 [ 23.082449] ? do_wait_intr_irq+0x3e0/0x3e0 [ 23.082466] ? __kernel_text_address+0xd/0x40 [ 23.082477] ? check_noncircular+0x20/0x20 [ 23.082501] __wake_up_locked_key+0x16/0x20 [ 23.082511] userfaultfd_release+0x4da/0x750 [ 23.082524] ? free_fs_struct+0x52/0x60 [ 23.082542] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 23.082550] ? fsnotify+0x7b3/0x1140 [ 23.082576] ? fsnotify_first_mark+0x2b0/0x2b0 [ 23.082592] ? __might_sleep+0x95/0x190 [ 23.082606] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 23.082617] __fput+0x333/0x7f0 [ 23.082637] ? fput+0x140/0x140 [ 23.082650] ? _raw_spin_unlock_irq+0x27/0x70 [ 23.082670] ____fput+0x15/0x20 [ 23.082681] task_work_run+0x199/0x270 [ 23.082697] ? task_work_cancel+0x210/0x210 [ 23.082708] ? _raw_spin_unlock+0x22/0x30 [ 23.082719] ? switch_task_namespaces+0x87/0xc0 [ 23.082736] do_exit+0x9bb/0x1ae0 [ 23.082749] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.082769] ? mm_update_next_owner+0x930/0x930 [ 23.082777] ? lockdep_init_map+0x3d/0x70 [ 23.082791] ? debug_mutex_init+0x2d/0x60 [ 23.082811] ? find_held_lock+0x39/0x1d0 [ 23.082838] ? lock_downgrade+0x980/0x980 [ 23.082850] ? get_unused_fd_flags+0x190/0x190 [ 23.082878] ? __lock_is_held+0xbc/0x140 [ 23.082909] ? __fd_install+0x288/0x740 [ 23.082917] ? __init_waitqueue_head+0x97/0x140 [ 23.082931] ? get_unused_fd_flags+0x190/0x190 [ 23.082944] ? alloc_file+0x284/0x3a0 [ 23.082952] ? _raw_spin_unlock+0x22/0x30 [ 23.082969] ? anon_inode_getfile+0x349/0x490 [ 23.082983] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 23.083002] ? kmem_cache_alloc+0x469/0x760 [ 23.083022] do_group_exit+0x149/0x400 [ 23.083036] ? SyS_exit+0x30/0x30 [ 23.083048] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.083060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.083076] SyS_exit_group+0x1d/0x20 [ 23.083087] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.083095] RIP: 0033:0x43e848 [ 23.083100] RSP: 002b:00007fffb298ea68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.083111] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043e848 [ 23.083117] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 23.083123] RBP: 00000000006ca018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 23.083129] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000401570 [ 23.083135] R13: 0000000000401600 R14: 0000000000000000 R15: 0000000000000000 [ 23.105794] Dumping ftrace buffer: [ 23.105827] (ftrace buffer empty) [ 23.105830] Kernel Offset: disabled [ 23.512405] Rebooting in 86400 seconds..