[?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. [ 12.484256] audit: type=1400 audit(1514977258.963:6): avc: denied { map } for pid=3449 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 '10.128.15.207' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 18.640882] audit: type=1400 audit(1514977265.119:7): avc: denied { map } for pid=3463 comm="syzkaller013632" path="/root/syzkaller013632672" 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 [ 19.170806] WARNING: CPU: 1 PID: 3463 at sound/core/pcm_lib.c:1635 snd_pcm_hw_param_first+0x289/0x690 [ 19.180209] Kernel panic - not syncing: panic_on_warn set ... [ 19.180209] [ 19.187543] CPU: 1 PID: 3463 Comm: syzkaller013632 Not tainted 4.15.0-rc6-mm1+ #50 [ 19.195482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.204804] Call Trace: [ 19.207369] dump_stack+0x137/0x198 [ 19.210968] panic+0x1e4/0x41c [ 19.215089] ? refcount_error_report+0x214/0x214 [ 19.220176] ? show_regs_print_info+0x18/0x18 [ 19.224658] ? __probe_kernel_read+0x16b/0x1c0 [ 19.229213] ? __warn+0x1c1/0x200 [ 19.232648] ? snd_pcm_hw_param_first+0x289/0x690 [ 19.237458] __warn+0x1dc/0x200 [ 19.240709] ? snd_pcm_hw_param_first+0x289/0x690 [ 19.245530] report_bug+0x211/0x2d0 [ 19.249140] fixup_bug.part.11+0x37/0x80 [ 19.253175] do_error_trap+0x249/0x290 [ 19.257028] ? math_error+0x310/0x310 [ 19.260798] ? snd_pcm_hw_refine+0x2da/0xdc0 [ 19.265179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.269993] do_invalid_op+0x1b/0x20 [ 19.273675] invalid_op+0x22/0x40 [ 19.277095] RIP: 0010:snd_pcm_hw_param_first+0x289/0x690 [ 19.282506] RSP: 0018:ffff8801be8df8f8 EFLAGS: 00010293 [ 19.287833] RAX: ffff8801be41e2c0 RBX: ffff8801bea1d240 RCX: ffffffff83b45549 [ 19.295070] RDX: 0000000000000000 RSI: 1ffff10037d1befc RDI: ffff8801bea1d268 [ 19.302304] RBP: ffff8801be8df948 R08: ffffed0037d1be8e R09: ffff8801be8df468 [ 19.309543] R10: 0000000000000001 R11: ffffed0037d1be8d R12: 000000000000000d [ 19.316952] R13: 00000000ffffffea R14: 0000000000000005 R15: 0000000000002000 [ 19.324196] ? snd_pcm_hw_param_first+0x289/0x690 [ 19.329015] ? snd_pcm_hw_param_first+0x289/0x690 [ 19.333828] snd_pcm_hw_param_near.constprop.28+0x66e/0x790 [ 19.339510] ? _snd_pcm_hw_param_set.constprop.27+0x5c0/0x5c0 [ 19.345639] ? trace_hardirqs_on+0xd/0x10 [ 19.349760] ? snd_pcm_plug_slave_size+0x148/0x2c0 [ 19.354663] snd_pcm_oss_change_params+0x1513/0x3210 [ 19.359757] ? snd_pcm_hw_param_near.constprop.28+0x790/0x790 [ 19.365620] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 19.370776] ? check_noncircular+0x20/0x20 [ 19.375151] ? fsnotify+0x5fd/0xd20 [ 19.378745] ? snd_pcm_oss_sync+0x710/0x710 [ 19.383031] snd_pcm_oss_make_ready+0xaa/0x130 [ 19.387581] snd_pcm_oss_sync+0x1b2/0x710 [ 19.391701] ? fcntl_setlk+0xc40/0xc40 [ 19.395919] ? snd_pcm_oss_sync+0x710/0x710 [ 19.400227] snd_pcm_oss_release+0x20b/0x280 [ 19.404614] __fput+0x291/0x6e0 [ 19.408475] ____fput+0x15/0x20 [ 19.412678] task_work_run+0x122/0x1a0 [ 19.418096] do_exit+0x7f4/0x2da0 [ 19.422299] ? snd_pcm_oss_release+0x280/0x280 [ 19.427028] ? do_vfs_ioctl+0x439/0xfe0 [ 19.430974] ? mm_update_next_owner+0x690/0x690 [ 19.435616] ? ioctl_preallocate+0x1c0/0x1c0 [ 19.440007] ? entry_SYSCALL_64_fastpath+0x5/0x9a [ 19.444816] do_group_exit+0x108/0x320 [ 19.448671] SyS_exit_group+0x1d/0x20 [ 19.452436] entry_SYSCALL_64_fastpath+0x23/0x9a [ 19.457157] RIP: 0033:0x4429c8 [ 19.460317] RSP: 002b:00007fff608e5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.467992] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004429c8 [ 19.475235] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 19.482818] RBP: 00000000006ce018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 19.490058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 19.497292] R13: 0000000000401aa0 R14: 0000000000000000 R15: 0000000000000000 [ 19.505412] Dumping ftrace buffer: [ 19.508998] (ftrace buffer empty) [ 19.512673] Kernel Offset: disabled [ 19.516269] Rebooting in 86400 seconds..