WARNING: CPU: 1 PID: 8686 at sound/core/pcm_lib.c:1681 snd_pcm_hw_param_last+0x28b/0x670 sound/core/pcm_lib.c:1681 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8686 Comm: syz-executor2 Not tainted 4.15.0-rc6+ #250 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:snd_pcm_hw_param_last+0x28b/0x670 sound/core/pcm_lib.c:1681 RSP: 0018:ffff8801d406f340 EFLAGS: 00010293 RAX: ffff8801c5ad8640 RBX: ffff8801c56b6940 RCX: ffffffff841bc42b RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffed003a80de60 RBP: ffff8801d406f388 R08: ffffed003a80dd97 R09: ffff8801d406ecb0 R10: 0000000000000001 R11: ffffed003a80dd96 R12: 000000000000000f R13: 00000000ffffffea R14: 0000000000000007 R15: 0000000000008000 snd_pcm_hw_param_near.constprop.27+0x6f5/0x9a0 sound/core/oss/pcm_oss.c:455 snd_pcm_oss_change_params+0x1833/0x3720 sound/core/oss/pcm_oss.c:973 snd_pcm_oss_make_ready+0xaa/0x130 sound/core/oss/pcm_oss.c:1128 snd_pcm_oss_sync+0x34b/0x830 sound/core/oss/pcm_oss.c:1578 snd_pcm_oss_release+0x20b/0x280 sound/core/oss/pcm_oss.c:2431 __fput+0x327/0x7e0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x9bb/0x1ad0 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 SYSC_exit_group kernel/exit.c:979 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:977 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:0000000000a2fa08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000071bec8 RCX: 0000000000452ac9 RDX: 0000000000452ac9 RSI: 00000000007231c0 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000038 R09: 000000000000022a R10: 00000000007231b8 R11: 0000000000000202 R12: 0000000000a2f9b0 R13: 000000000071bea0 R14: 0000000000000469 R15: 0000000000000015 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..