[....] Starting enhanced syslogd: rsyslogd[ 12.206357] audit: type=1400 audit(1513687591.617:5): avc: denied { syslog } for pid=3000 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 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: [ 14.384194] audit: type=1400 audit(1513687593.794:6): avc: denied { map } for pid=3138 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-9,10.128.15.214' (ECDSA) to the list of known hosts. [ 20.661749] audit: type=1400 audit(1513687600.072:7): avc: denied { map } for pid=3152 comm="syzkaller693475" path="/root/syzkaller693475351" 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 [ 20.663951] WARNING: CPU: 0 PID: 3152 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770 [ 20.663965] Kernel panic - not syncing: panic_on_warn set ... [ 20.663965] [ 20.663974] CPU: 0 PID: 3152 Comm: syzkaller693475 Not tainted 4.15.0-rc2-mm1+ #39 [ 20.663980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.663985] Call Trace: [ 20.663997] dump_stack+0x194/0x257 [ 20.664015] ? arch_local_irq_restore+0x53/0x53 [ 20.664033] ? vsnprintf+0x1ed/0x1900 [ 20.664050] panic+0x1e4/0x41c [ 20.664061] ? refcount_error_report+0x214/0x214 [ 20.664071] ? show_regs_print_info+0x18/0x18 [ 20.664091] ? __warn+0x1c1/0x200 [ 20.664107] ? __wake_up_common+0x433/0x770 [ 20.664115] __warn+0x1dc/0x200 [ 20.664126] ? __wake_up_common+0x433/0x770 [ 20.664139] report_bug+0x211/0x2d0 [ 20.664160] fixup_bug.part.11+0x37/0x80 [ 20.664172] do_error_trap+0x2d7/0x3e0 [ 20.664189] ? math_error+0x400/0x400 [ 20.664202] ? check_noncircular+0x20/0x20 [ 20.664210] ? save_stack_trace+0x1a/0x20 [ 20.664220] ? __lock_acquire+0x324e/0x47f0 [ 20.664236] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 20.664253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.664272] do_invalid_op+0x1b/0x20 [ 20.664282] invalid_op+0x22/0x40 [ 20.664291] RIP: 0010:__wake_up_common+0x433/0x770 [ 20.664297] RSP: 0018:ffff8801bb0a7648 EFLAGS: 00010246 [ 20.664307] RAX: 0000000000000000 RBX: ffff8801c5623e50 RCX: 0000000000000004 [ 20.664314] RDX: 1ffffffff0c59731 RSI: ffff8801c5623e68 RDI: 0000000000000282 [ 20.664320] RBP: ffff8801bb0a7748 R08: ffff8801bb0a7858 R09: 0000000000000000 [ 20.664326] R10: 000000000000000b R11: ffffed0037614e48 R12: 0000000000000000 [ 20.664332] R13: ffff8801c5623e00 R14: 0000000000000001 R15: ffff8801bb0a7858 [ 20.664366] ? __wake_up_common+0x42b/0x770 [ 20.664385] ? do_wait_intr_irq+0x3e0/0x3e0 [ 20.664402] ? __kernel_text_address+0xd/0x40 [ 20.664412] ? check_noncircular+0x20/0x20 [ 20.664437] __wake_up_locked_key+0x16/0x20 [ 20.664447] userfaultfd_release+0x4da/0x750 [ 20.664460] ? free_fs_struct+0x52/0x60 [ 20.664479] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 20.664487] ? fsnotify+0x7b3/0x1140 [ 20.664513] ? fsnotify_first_mark+0x2b0/0x2b0 [ 20.664529] ? __might_sleep+0x95/0x190 [ 20.664543] ? userfaultfd_event_wait_completion+0xae0/0xae0 [ 20.664554] __fput+0x333/0x7f0 [ 20.664574] ? fput+0x140/0x140 [ 20.664587] ? _raw_spin_unlock_irq+0x27/0x70 [ 20.664607] ____fput+0x15/0x20 [ 20.664622] task_work_run+0x199/0x270 [ 20.664638] ? task_work_cancel+0x210/0x210 [ 20.664650] ? _raw_spin_unlock+0x22/0x30 [ 20.664661] ? switch_task_namespaces+0x87/0xc0 [ 20.664678] do_exit+0x9bb/0x1ae0 [ 20.664690] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 20.664706] ? mm_update_next_owner+0x930/0x930 [ 20.664714] ? lockdep_init_map+0x3d/0x70 [ 20.664727] ? debug_mutex_init+0x2d/0x60 [ 20.664748] ? find_held_lock+0x39/0x1d0 [ 20.664774] ? lock_downgrade+0x980/0x980 [ 20.664787] ? get_unused_fd_flags+0x190/0x190 [ 20.664815] ? __lock_is_held+0xbc/0x140 [ 20.664846] ? __fd_install+0x288/0x740 [ 20.664854] ? __init_waitqueue_head+0x97/0x140 [ 20.664868] ? get_unused_fd_flags+0x190/0x190 [ 20.664882] ? alloc_file+0x284/0x3a0 [ 20.664890] ? _raw_spin_unlock+0x22/0x30 [ 20.664906] ? anon_inode_getfile+0x349/0x490 [ 20.664921] ? compat_SyS_epoll_pwait+0x4f0/0x4f0 [ 20.664939] ? kmem_cache_alloc+0x469/0x760 [ 20.664950] ? vfs_write+0x22a/0x510 [ 20.664966] do_group_exit+0x149/0x400 [ 20.664980] ? SyS_exit+0x30/0x30 [ 20.664992] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 20.665003] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 20.665020] SyS_exit_group+0x1d/0x20 [ 20.665031] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 20.665039] RIP: 0033:0x43e848 [ 20.665044] RSP: 002b:00007ffe68c097e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.665055] RAX: ffffffffffffffda RBX: 00000000006ca800 RCX: 000000000043e848 [ 20.665061] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 20.665067] RBP: 00000000000014b1 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 20.665073] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000006ca858 [ 20.665079] R13: 00000000006ca858 R14: 0000000000000000 R15: 0000000000002710 [ 20.688063] Dumping ftrace buffer: [ 20.688121] (ftrace buffer empty) [ 20.688124] Kernel Offset: disabled [ 21.100152] Rebooting in 86400 seconds..