[....] Starting enhanced syslogd: rsyslogd[ 12.164139] audit: type=1400 audit(1514913006.288:5): avc: denied { syslog } for pid=3338 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: [ 19.147118] audit: type=1400 audit(1514913013.271:6): avc: denied { map } for pid=3478 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 '10.128.0.55' (ECDSA) to the list of known hosts. [ 40.506331] audit: type=1400 audit(1514913034.631:7): avc: denied { map } for pid=3495 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 2018/01/02 17:10:34 parsed 1 programs 2018/01/02 17:10:34 executed programs: 0 [ 40.630747] audit: type=1400 audit(1514913034.754:8): avc: denied { map } for pid=3495 comm="syz-execprog" path="/root/syzkaller-shm001548602" 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 [ 40.656420] audit: type=1400 audit(1514913034.780:9): avc: denied { sys_admin } for pid=3500 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 40.840422] audit: type=1400 audit(1514913034.965:10): avc: denied { sys_chroot } for pid=3502 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 2018/01/02 17:10:39 executed programs: 629 [ 49.202171] WARNING: CPU: 1 PID: 6875 at sound/core/pcm_lib.c:1635 snd_pcm_hw_param_first+0x289/0x690 [ 49.211591] Kernel panic - not syncing: panic_on_warn set ... [ 49.211591] [ 49.218945] CPU: 1 PID: 6875 Comm: syz-executor7 Not tainted 4.15.0-rc6+ #245 [ 49.226202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.235545] Call Trace: [ 49.238129] dump_stack+0x194/0x257 [ 49.241755] ? arch_local_irq_restore+0x53/0x53 [ 49.246426] ? vsnprintf+0x1ed/0x1900 [ 49.250227] panic+0x1e4/0x41c [ 49.253405] ? refcount_error_report+0x214/0x214 [ 49.258141] ? show_regs_print_info+0x18/0x18 [ 49.262630] ? __warn+0x1c1/0x200 [ 49.266078] ? snd_pcm_hw_param_first+0x289/0x690 [ 49.270906] __warn+0x1dc/0x200 [ 49.274175] ? snd_pcm_hw_param_first+0x289/0x690 [ 49.279022] report_bug+0x211/0x2d0 [ 49.282654] fixup_bug.part.11+0x37/0x80 [ 49.286701] do_error_trap+0x2d7/0x3e0 [ 49.290574] ? snd_pcm_oss_release+0x20b/0x280 [ 49.295146] ? __fput+0x327/0x7e0 [ 49.298610] ? ____fput+0x15/0x20 [ 49.302060] ? math_error+0x400/0x400 [ 49.305853] ? exit_to_usermode_loop+0x214/0x310 [ 49.310594] ? syscall_return_slowpath+0x490/0x550 [ 49.315495] ? entry_SYSCALL_64_fastpath+0x98/0x9a [ 49.320399] ? check_noncircular+0x20/0x20 [ 49.324603] ? print_irqtrace_events+0x270/0x270 [ 49.329333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.334156] do_invalid_op+0x1b/0x20 [ 49.337842] invalid_op+0x22/0x40 [ 49.341265] RIP: 0010:snd_pcm_hw_param_first+0x289/0x690 [ 49.346681] RSP: 0018:ffff8801d07cee00 EFLAGS: 00010293 [ 49.352015] RAX: ffff8801d03dc040 RBX: ffff8801d0becd80 RCX: ffffffff841beea9 [ 49.359260] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffed003a0f9db8 [ 49.366500] RBP: ffff8801d07cee50 R08: ffffed003a0f9cef R09: ffff8801d07ce770 [ 49.373743] R10: 0000000000000001 R11: ffffed003a0f9cee R12: 000000000000000d [ 49.380983] R13: 00000000ffffffea R14: 0000000000000005 R15: 0000000000002000 [ 49.388256] ? snd_pcm_hw_param_first+0x289/0x690 [ 49.393089] snd_pcm_hw_param_near.constprop.27+0x78d/0x9a0 [ 49.398781] ? _snd_pcm_hw_param_set.constprop.26+0x6f0/0x6f0 [ 49.404637] ? snd_pcm_plugin_free+0xb1/0xe0 [ 49.409025] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.414022] ? trace_hardirqs_on+0xd/0x10 [ 49.418148] ? snd_pcm_plug_slave_size+0x148/0x2c0 [ 49.423059] snd_pcm_oss_change_params+0x17d3/0x3720 [ 49.428157] ? snd_pcm_hw_param_near.constprop.27+0x9a0/0x9a0 [ 49.434027] ? rcu_segcblist_first_pend_cb+0x90/0x90 [ 49.439107] ? __call_rcu.constprop.67+0x4a5/0xef0 [ 49.444012] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.449010] ? find_held_lock+0x35/0x1d0 [ 49.453071] ? mntput_no_expire+0x130/0xa90 [ 49.457362] ? lock_downgrade+0x980/0x980 [ 49.461492] ? lock_release+0xa40/0xa40 [ 49.465474] snd_pcm_oss_make_ready+0xaa/0x130 [ 49.470037] snd_pcm_oss_sync+0x257/0x830 [ 49.474159] ? snd_pcm_oss_sync1+0x550/0x550 [ 49.478540] ? fsnotify_first_mark+0x2b0/0x2b0 [ 49.483097] snd_pcm_oss_release+0x20b/0x280 [ 49.487477] ? snd_pcm_oss_sync+0x830/0x830 [ 49.491772] __fput+0x327/0x7e0 [ 49.495040] ? fput+0x140/0x140 [ 49.498292] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.504144] ? _raw_spin_unlock_irq+0x27/0x70 [ 49.508621] ____fput+0x15/0x20 [ 49.511869] task_work_run+0x199/0x270 [ 49.515730] ? task_work_cancel+0x210/0x210 [ 49.520031] ? _raw_spin_unlock+0x22/0x30 [ 49.524156] ? switch_task_namespaces+0x87/0xc0 [ 49.528798] do_exit+0x9bb/0x1ad0 [ 49.532234] ? mm_update_next_owner+0x930/0x930 [ 49.536875] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 49.542042] ? mark_held_locks+0xaf/0x100 [ 49.546161] ? snd_pcm_stream_unlock_irq+0x78/0xe0 [ 49.551069] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.556060] ? trace_hardirqs_on+0xd/0x10 [ 49.560180] ? snd_pcm_stream_unlock_irq+0xb1/0xe0 [ 49.565087] ? __snd_pcm_lib_xfer+0x2df/0x1b60 [ 49.569647] ? snd_pcm_hw_rule_step+0x3f0/0x3f0 [ 49.574299] ? check_noncircular+0x20/0x20 [ 49.578509] ? mark_held_locks+0xaf/0x100 [ 49.582642] ? snd_pcm_stream_unlock_irq+0x78/0xe0 [ 49.587543] ? check_noncircular+0x20/0x20 [ 49.591747] ? trace_hardirqs_on+0xd/0x10 [ 49.595870] ? snd_pcm_stream_unlock_irq+0xb1/0xe0 [ 49.600771] ? snd_pcm_delay+0x210/0x300 [ 49.604807] ? find_held_lock+0x35/0x1d0 [ 49.608850] ? get_signal+0x7ae/0x16c0 [ 49.612710] ? lock_downgrade+0x980/0x980 [ 49.616837] do_group_exit+0x149/0x400 [ 49.620701] ? do_raw_spin_trylock+0x190/0x190 [ 49.625259] ? SyS_exit+0x30/0x30 [ 49.628682] ? _raw_spin_unlock_irq+0x27/0x70 [ 49.633243] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.638234] get_signal+0x73f/0x16c0 [ 49.641927] ? ptrace_notify+0x130/0x130 [ 49.645966] ? wait_for_completion+0x770/0x770 [ 49.650520] ? snd_pcm_plug_write_transfer+0x420/0x420 [ 49.655769] ? snd_pcm_format_physical_width+0x5b/0x70 [ 49.661028] ? snd_pcm_plug_client_channels_buf+0x1db/0x3f0 [ 49.666720] ? snd_pcm_oss_read2+0x284/0x410 [ 49.671128] do_signal+0x90/0x1eb0 [ 49.674650] ? mutex_unlock+0xd/0x10 [ 49.678340] ? snd_pcm_oss_read+0x4cd/0x6e0 [ 49.682647] ? setup_sigcontext+0x7d0/0x7d0 [ 49.686944] ? snd_pcm_oss_read2+0x410/0x410 [ 49.691328] ? snd_pcm_oss_read2+0x410/0x410 [ 49.695707] ? __vfs_read+0xf7/0xa00 [ 49.699392] ? vfs_copy_file_range+0x940/0x940 [ 49.703947] ? fsnotify_first_mark+0x2b0/0x2b0 [ 49.708504] ? exit_to_usermode_loop+0x8c/0x310 [ 49.713149] exit_to_usermode_loop+0x214/0x310 [ 49.717701] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 49.723209] ? rw_verify_area+0xe5/0x2b0 [ 49.727243] ? __fdget_raw+0x20/0x20 [ 49.730932] syscall_return_slowpath+0x490/0x550 [ 49.735659] ? prepare_exit_to_usermode+0x340/0x340 [ 49.740641] ? SyS_read+0x184/0x220 [ 49.744237] ? entry_SYSCALL_64_fastpath+0x6d/0x9a [ 49.749148] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.754140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.758878] entry_SYSCALL_64_fastpath+0x98/0x9a [ 49.763600] RIP: 0033:0x452ac9 [ 49.766763] RSP: 002b:00007f0ecb050c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 49.774439] RAX: fffffffffffffe00 RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 49.781676] RDX: 00000000000000c0 RSI: 000000002000b000 RDI: 0000000000000000 [ 49.788912] RBP: 0000000000000425 R08: 0000000000000000 R09: 0000000000000000 [ 49.796148] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4418 [ 49.803385] R13: 00000000ffffffff R14: 00007f0ecb0516d4 R15: 0000000000000000 [ 49.811318] Dumping ftrace buffer: [ 49.814898] (ftrace buffer empty) [ 49.818581] Kernel Offset: disabled [ 49.822178] Rebooting in 86400 seconds..