RAX: ffffffffffffffda RBX: 00007f29da4426d4 RCX: 0000000000455259 RDX: 0000000020000100 RSI: 0000000000000002 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000015 R13: 0000000000000463 R14: 00000000006f99e8 R15: 000000000000000e WARNING: CPU: 0 PID: 9109 at sound/core/pcm_native.c:620 snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline] WARNING: CPU: 0 PID: 9109 at sound/core/pcm_native.c:620 snd_pcm_hw_params+0x65a/0x1e20 sound/core/pcm_native.c:672 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9109 Comm: syz-executor1 Not tainted 4.16.0+ #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 panic+0x22f/0x4de kernel/panic.c:183 __warn.cold.8+0x163/0x1a3 kernel/panic.c:547 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:991 RIP: 0010:snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline] RIP: 0010:snd_pcm_hw_params+0x65a/0x1e20 sound/core/pcm_native.c:672 RSP: 0018:ffff8801c5fb6f20 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00000000fffffff4 RCX: ffffc90004cd7000 RDX: 0000000000040000 RSI: ffffffff859e0d9a RDI: 0000000000000005 RBP: ffff8801c5fb7170 R08: ffff8801abe66280 R09: ffffed003b6046c2 R10: ffffed003b6046c2 R11: ffff8801db023613 R12: ffffffff8826349c R13: ffff8801ceb0e4c0 R14: ffff8801c0236940 R15: dffffc0000000000 snd_pcm_kernel_ioctl+0x6c/0x240 sound/core/pcm_native.c:2999 snd_pcm_oss_change_params_locked+0x1be8/0x3ce0 sound/core/oss/pcm_oss.c:993 snd_pcm_oss_change_params+0x80/0xe0 sound/core/oss/pcm_oss.c:1101 snd_pcm_oss_make_ready+0xbe/0x170 sound/core/oss/pcm_oss.c:1159 snd_pcm_oss_set_trigger.isra.25+0x41c/0x910 sound/core/oss/pcm_oss.c:2059 snd_pcm_oss_poll+0x726/0xc60 sound/core/oss/pcm_oss.c:2840 do_pollfd fs/select.c:832 [inline] do_poll fs/select.c:883 [inline] do_sys_poll+0x7ce/0x1150 fs/select.c:977 SYSC_ppoll fs/select.c:1085 [inline] SyS_ppoll+0x242/0x4c0 fs/select.c:1057 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455259 RSP: 002b:00007f29da441c68 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007f29da4426d4 RCX: 0000000000455259 RDX: 0000000020000100 RSI: 0000000000000002 RDI: 00000000200000c0 RBP: 000000000072bea0 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000015 R13: 0000000000000463 R14: 00000000006f99e8 R15: 000000000000000e Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..