[....] Starting enhanced syslogd: rsyslogd[ 11.847570] audit: type=1400 audit(1514773613.313:5): avc: denied { syslog } for pid=3340 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: [ 17.017912] audit: type=1400 audit(1514773618.483:6): avc: denied { map } for pid=3479 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 '10.128.0.5' (ECDSA) to the list of known hosts. [ 105.698890] audit: type=1400 audit(1514773707.164:7): avc: denied { map } for pid=3497 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/01/01 02:28:27 parsed 1 programs 2018/01/01 02:28:27 executed programs: 0 [ 105.815534] audit: type=1400 audit(1514773707.280:8): avc: denied { map } for pid=3497 comm="syz-execprog" path="/root/syzkaller-shm214014159" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2018/01/01 02:28:32 executed programs: 750 2018/01/01 02:28:37 executed programs: 1593 2018/01/01 02:28:42 executed programs: 2418 2018/01/01 02:28:47 executed programs: 3244 2018/01/01 02:28:52 executed programs: 4087 2018/01/01 02:28:57 executed programs: 4935 2018/01/01 02:29:02 executed programs: 5792 2018/01/01 02:29:07 executed programs: 6647 2018/01/01 02:29:12 executed programs: 7481 2018/01/01 02:29:17 executed programs: 8312 2018/01/01 02:29:22 executed programs: 9173 2018/01/01 02:29:27 executed programs: 10024 2018/01/01 02:29:32 executed programs: 10874 2018/01/01 02:29:37 executed programs: 11723 2018/01/01 02:29:42 executed programs: 12589 2018/01/01 02:29:47 executed programs: 13443 2018/01/01 02:29:52 executed programs: 14305 [ 194.722988] WARNING: CPU: 0 PID: 15878 at sound/core/pcm_lib.c:1635 snd_pcm_hw_param_first+0x289/0x690 [ 194.732510] Kernel panic - not syncing: panic_on_warn set ... [ 194.732510] [ 194.739853] CPU: 0 PID: 15878 Comm: syz-executor6 Not tainted 4.15.0-rc6+ #155 [ 194.747176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.756502] Call Trace: [ 194.759070] dump_stack+0x194/0x257 [ 194.762683] ? arch_local_irq_restore+0x53/0x53 [ 194.767342] ? vsnprintf+0x1ed/0x1900 [ 194.771132] panic+0x1e4/0x41c [ 194.774312] ? refcount_error_report+0x214/0x214 [ 194.779054] ? show_regs_print_info+0x18/0x18 [ 194.783532] ? __warn+0x1c1/0x200 [ 194.786967] ? snd_pcm_hw_param_first+0x289/0x690 [ 194.791792] __warn+0x1dc/0x200 [ 194.795048] ? snd_pcm_hw_param_first+0x289/0x690 [ 194.799858] report_bug+0x211/0x2d0 [ 194.803458] fixup_bug.part.11+0x37/0x80 [ 194.807486] do_error_trap+0x2d7/0x3e0 [ 194.811344] ? snd_pcm_oss_release+0x20b/0x280 [ 194.815894] ? __fput+0x327/0x7e0 [ 194.819312] ? ____fput+0x15/0x20 [ 194.822745] ? math_error+0x400/0x400 [ 194.826527] ? exit_to_usermode_loop+0x214/0x310 [ 194.831259] ? do_fast_syscall_32+0xbfd/0xf9d [ 194.835728] ? entry_SYSENTER_compat+0x54/0x63 [ 194.840294] ? check_noncircular+0x20/0x20 [ 194.844514] ? print_irqtrace_events+0x270/0x270 [ 194.849246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.854063] do_invalid_op+0x1b/0x20 [ 194.857743] invalid_op+0x22/0x40 [ 194.861166] RIP: 0010:snd_pcm_hw_param_first+0x289/0x690 [ 194.866578] RSP: 0018:ffff8801bcbfed40 EFLAGS: 00010293 [ 194.871906] RAX: ffff8801cffd0680 RBX: ffff8801d0d5adc0 RCX: ffffffff841beea9 [ 194.879142] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffed003797fda0 [ 194.886376] RBP: ffff8801bcbfed90 R08: ffffed003797fcd7 R09: ffff8801bcbfe6b0 [ 194.893612] R10: 0000000000000001 R11: ffffed003797fcd6 R12: 000000000000000d [ 194.900847] R13: 00000000ffffffea R14: 0000000000000005 R15: 0000000000002000 [ 194.908094] ? snd_pcm_hw_param_first+0x289/0x690 [ 194.912952] snd_pcm_hw_param_near.constprop.27+0x78d/0x9a0 [ 194.918642] ? _snd_pcm_hw_param_set.constprop.26+0x6f0/0x6f0 [ 194.924495] ? snd_pcm_plugin_free+0xb1/0xe0 [ 194.928871] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 194.933854] ? trace_hardirqs_on+0xd/0x10 [ 194.937971] ? snd_pcm_plug_slave_size+0x148/0x2c0 [ 194.942870] snd_pcm_oss_change_params+0x17d3/0x3720 [ 194.947956] ? snd_pcm_hw_param_near.constprop.27+0x9a0/0x9a0 [ 194.953810] ? rcu_segcblist_first_pend_cb+0x90/0x90 [ 194.958882] ? __call_rcu.constprop.67+0x4a5/0xef0 [ 194.963784] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 194.968777] ? find_held_lock+0x35/0x1d0 [ 194.972813] ? mntput_no_expire+0x130/0xa90 [ 194.977103] ? lock_downgrade+0x980/0x980 [ 194.981221] ? lock_release+0xa40/0xa40 [ 194.985178] snd_pcm_oss_make_ready+0xaa/0x130 [ 194.989730] snd_pcm_oss_sync+0x257/0x830 [ 194.993847] ? snd_pcm_oss_sync1+0x550/0x550 [ 194.998227] ? fsnotify_first_mark+0x2b0/0x2b0 [ 195.002789] snd_pcm_oss_release+0x20b/0x280 [ 195.007175] ? snd_pcm_oss_sync+0x830/0x830 [ 195.011471] __fput+0x327/0x7e0 [ 195.014741] ? fput+0x140/0x140 [ 195.018002] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 195.023859] ? _raw_spin_unlock_irq+0x27/0x70 [ 195.028330] ____fput+0x15/0x20 [ 195.031580] task_work_run+0x199/0x270 [ 195.035438] ? task_work_cancel+0x210/0x210 [ 195.039729] ? _raw_spin_unlock+0x22/0x30 [ 195.043844] ? switch_task_namespaces+0x87/0xc0 [ 195.048482] do_exit+0x9bb/0x1ad0 [ 195.051902] ? find_held_lock+0x35/0x1d0 [ 195.055943] ? mm_update_next_owner+0x930/0x930 [ 195.060583] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 195.065739] ? lock_downgrade+0x980/0x980 [ 195.069854] ? __unqueue_futex+0x1c0/0x290 [ 195.074054] ? lock_release+0xa40/0xa40 [ 195.077994] ? fault_in_user_writeable+0x90/0x90 [ 195.082721] ? do_raw_spin_trylock+0x190/0x190 [ 195.087277] ? futex_wake+0x680/0x680 [ 195.091057] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 195.096125] ? futex_wait+0x6a9/0x9a0 [ 195.099900] ? check_noncircular+0x20/0x20 [ 195.104105] ? switched_to_fair+0xb0/0xb0 [ 195.108223] ? __enqueue_entity+0x109/0x1e0 [ 195.112525] ? find_held_lock+0x35/0x1d0 [ 195.116574] ? get_signal+0x7ae/0x16c0 [ 195.120432] ? lock_downgrade+0x980/0x980 [ 195.124554] do_group_exit+0x149/0x400 [ 195.128406] ? do_raw_spin_trylock+0x190/0x190 [ 195.132954] ? SyS_exit+0x30/0x30 [ 195.136372] ? _raw_spin_unlock_irq+0x27/0x70 [ 195.140833] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.145832] get_signal+0x73f/0x16c0 [ 195.149523] ? ptrace_notify+0x130/0x130 [ 195.153555] ? __schedule+0x8f3/0x2060 [ 195.157415] ? __sched_text_start+0x8/0x8 [ 195.161543] do_signal+0x90/0x1eb0 [ 195.165054] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 195.170909] ? rcu_note_context_switch+0x710/0x710 [ 195.175808] ? setup_sigcontext+0x7d0/0x7d0 [ 195.180099] ? __might_sleep+0x95/0x190 [ 195.184043] ? schedule+0xf5/0x430 [ 195.187550] ? __schedule+0x2060/0x2060 [ 195.191495] ? selinux_capable+0x40/0x40 [ 195.195796] ? lock_downgrade+0x980/0x980 [ 195.199926] ? exit_to_usermode_loop+0x8c/0x310 [ 195.204570] exit_to_usermode_loop+0x214/0x310 [ 195.209124] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 195.214625] ? trace_hardirqs_on+0xd/0x10 [ 195.218741] ? do_fast_syscall_32+0x156/0xf9d [ 195.223210] do_fast_syscall_32+0xbfd/0xf9d [ 195.227497] ? free_unref_page+0x9e0/0x9e0 [ 195.231699] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.236682] ? do_int80_syscall_32+0x9d0/0x9d0 [ 195.241237] ? syscall_return_slowpath+0x2ad/0x550 [ 195.246130] ? prepare_exit_to_usermode+0x340/0x340 [ 195.251113] ? sysret32_from_system_call+0x5/0x3b [ 195.255930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 195.260746] entry_SYSENTER_compat+0x54/0x63 [ 195.265121] RIP: 0023:0xf7fd6c79 [ 195.268451] RSP: 002b:00000000f7f9010c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 [ 195.276124] RAX: fffffffffffffe00 RBX: 000000000813b014 RCX: 0000000000000000 [ 195.283360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 195.290595] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 195.297831] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 195.305065] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 195.312864] Dumping ftrace buffer: [ 195.316441] (ftrace buffer empty) [ 195.320117] Kernel Offset: disabled [ 195.323710] Rebooting in 86400 seconds..