[?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. [ 12.097327] audit: type=1400 audit(1514873313.770:6): avc: denied { map } for pid=3467 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 '10.128.0.10' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 34.446894] audit: type=1400 audit(1514873336.119:7): avc: denied { map } for pid=3490 comm="syzkaller312889" path="/root/syzkaller312889048" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.255334] WARNING: CPU: 0 PID: 3647 at sound/core/pcm_lib.c:1681 snd_pcm_hw_param_last+0x28b/0x670 [ 35.264649] Kernel panic - not syncing: panic_on_warn set ... [ 35.264649] [ 35.271984] CPU: 0 PID: 3647 Comm: syzkaller312889 Not tainted 4.15.0-rc6+ #245 [ 35.279397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.288718] Call Trace: [ 35.291281] dump_stack+0x194/0x257 [ 35.294890] ? arch_local_irq_restore+0x53/0x53 [ 35.299533] ? vsnprintf+0x1ed/0x1900 executing program executing program executing program executing program executing program executing program executing program [ 35.303307] panic+0x1e4/0x41c [ 35.306470] ? refcount_error_report+0x214/0x214 [ 35.311194] ? show_regs_print_info+0x18/0x18 [ 35.315666] ? __warn+0x1c1/0x200 [ 35.319093] ? snd_pcm_hw_param_last+0x28b/0x670 [ 35.323816] __warn+0x1dc/0x200 [ 35.327062] ? snd_pcm_hw_param_last+0x28b/0x670 [ 35.331788] report_bug+0x211/0x2d0 [ 35.335392] fixup_bug.part.11+0x37/0x80 [ 35.339423] do_error_trap+0x2d7/0x3e0 [ 35.343283] ? __fput+0x327/0x7e0 [ 35.346702] ? ____fput+0x15/0x20 [ 35.350124] ? task_work_run+0x199/0x270 executing program executing program [ 35.354163] ? math_error+0x400/0x400 [ 35.357937] ? check_noncircular+0x20/0x20 [ 35.362142] ? print_irqtrace_events+0x270/0x270 [ 35.366871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.371686] do_invalid_op+0x1b/0x20 [ 35.375369] invalid_op+0x22/0x40 [ 35.378792] RIP: 0010:snd_pcm_hw_param_last+0x28b/0x670 [ 35.384120] RSP: 0000:ffff8801d0597340 EFLAGS: 00010293 [ 35.389461] RAX: ffff8801be9526c0 RBX: ffff8801bf6b1b40 RCX: ffffffff841bb75b [ 35.396708] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffed003a0b2e60 [ 35.403955] RBP: ffff8801d0597388 R08: ffffed003a0b2d97 R09: ffff8801d0596cb0 [ 35.411194] R10: 0000000000000001 R11: ffffed003a0b2d96 R12: 000000000000000f [ 35.418433] R13: 00000000ffffffea R14: 0000000000000007 R15: 0000000000008000 [ 35.425692] ? snd_pcm_hw_param_last+0x28b/0x670 [ 35.430434] snd_pcm_hw_param_near.constprop.27+0x6f5/0x9a0 [ 35.436126] ? _snd_pcm_hw_param_set.constprop.26+0x6f0/0x6f0 [ 35.441983] ? snd_pcm_hw_param_max+0x5f0/0x5f0 [ 35.446623] ? _snd_pcm_hw_param_any+0x184/0x280 [ 35.451346] ? snd_pcm_plug_slave_size+0x148/0x2c0 [ 35.456246] snd_pcm_oss_change_params+0x1833/0x3720 [ 35.461334] ? snd_pcm_hw_param_near.constprop.27+0x9a0/0x9a0 [ 35.467186] ? lock_downgrade+0x980/0x980 [ 35.471308] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.476469] ? rcutorture_record_progress+0x10/0x10 [ 35.481467] ? is_bpf_text_address+0xa4/0x120 [ 35.485932] ? kernel_text_address+0x102/0x140 [ 35.490483] ? __kernel_text_address+0xd/0x40 [ 35.494952] ? unwind_get_return_address+0x61/0xa0 [ 35.499854] ? check_noncircular+0x20/0x20 [ 35.504069] snd_pcm_oss_make_ready+0xaa/0x130 [ 35.508620] snd_pcm_oss_sync+0x34b/0x830 [ 35.512741] ? snd_pcm_oss_sync1+0x550/0x550 [ 35.517121] ? fsnotify_first_mark+0x2b0/0x2b0 [ 35.521676] snd_pcm_oss_release+0x20b/0x280 [ 35.526053] ? snd_pcm_oss_sync+0x830/0x830 [ 35.530342] __fput+0x327/0x7e0 [ 35.533594] ? fput+0x140/0x140 [ 35.536845] ? _raw_spin_unlock_irq+0x27/0x70 [ 35.541316] ____fput+0x15/0x20 [ 35.544566] task_work_run+0x199/0x270 [ 35.548424] ? task_work_cancel+0x210/0x210 [ 35.552714] ? _raw_spin_unlock+0x22/0x30 [ 35.556847] ? switch_task_namespaces+0x87/0xc0 [ 35.561493] do_exit+0x9bb/0x1ad0 [ 35.564917] ? kernel_text_address+0xf1/0x140 [ 35.569381] ? mm_update_next_owner+0x930/0x930 [ 35.574018] ? __kernel_text_address+0xd/0x40 [ 35.578490] ? unwind_get_return_address+0x61/0xa0 [ 35.583391] ? __save_stack_trace+0x7e/0xd0 [ 35.587685] ? depot_save_stack+0x12c/0x490 [ 35.591980] ? putname+0xee/0x130 [ 35.595401] ? save_stack+0xa3/0xd0 [ 35.598994] ? save_stack+0x43/0xd0 [ 35.602584] ? kasan_slab_free+0x71/0xc0 [ 35.606608] ? kmem_cache_free+0x83/0x2a0 [ 35.610723] ? putname+0xee/0x130 [ 35.614140] ? do_sys_open+0x31b/0x6d0 [ 35.617992] ? SyS_open+0x2d/0x40 [ 35.621413] ? entry_SYSCALL_64_fastpath+0x23/0x9a [ 35.626311] ? debug_check_no_obj_freed+0x3da/0xf1f [ 35.631293] ? __lock_is_held+0xb6/0x140 [ 35.635330] ? free_obj_work+0x690/0x690 [ 35.639370] ? __fd_install+0x288/0x740 [ 35.643318] ? get_unused_fd_flags+0x190/0x190 [ 35.647868] ? may_open_dev+0xe0/0xe0 [ 35.651646] ? rcu_pm_notify+0xc0/0xc0 [ 35.655505] ? putname+0xee/0x130 [ 35.658933] ? putname+0xee/0x130 [ 35.662357] ? rcu_read_lock_sched_held+0x108/0x120 [ 35.667355] ? kmem_cache_free+0x267/0x2a0 [ 35.671562] ? putname+0xf3/0x130 [ 35.674995] do_group_exit+0x149/0x400 [ 35.678855] ? SyS_exit+0x30/0x30 [ 35.682281] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.687269] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.692005] SyS_exit_group+0x1d/0x20 [ 35.695778] entry_SYSCALL_64_fastpath+0x23/0x9a [ 35.700499] RIP: 0033:0x444509 [ 35.703656] RSP: 002b:00007ffc1a9636b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 35.711333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444509 [ 35.718568] RDX: 0000000000400eb0 RSI: 0000000000000000 RDI: 0000000000000000 [ 35.725803] RBP: 000000000000896d R08: 0000000000000000 R09: 0000000000000000 [ 35.733040] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 35.740277] R13: 0000000000401e10 R14: 0000000000000000 R15: 0000000000000000 [ 35.747716] Dumping ftrace buffer: [ 35.751274] (ftrace buffer empty) [ 35.754956] Kernel Offset: disabled [ 35.758555] Rebooting in 86400 seconds..