------------[ cut here ]------------ WARNING: CPU: 1 PID: 6863 at sound/core/oss/mulaw.c:332 snd_pcm_plugin_build_mulaw+0x6b2/0x7e0 sound/core/oss/mulaw.c:332 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6863 Comm: syz-executor868 Not tainted 5.9.0-rc2-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x4a kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:snd_pcm_plugin_build_mulaw+0x6b2/0x7e0 sound/core/oss/mulaw.c:332 Code: ff e8 a2 28 5e fb 0f 0b 41 bc fa ff ff ff e9 fc fe ff ff e8 90 28 5e fb 0f 0b 41 bc fa ff ff ff e9 ea fe ff ff e8 7e 28 5e fb <0f> 0b 41 bc fa ff ff ff e9 d8 fe ff ff e8 ec 40 9e fb e9 7b fa ff RSP: 0018:ffffc90001517910 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc900015179f8 RCX: ffffffff86161229 RDX: ffff88809471c000 RSI: ffffffff86161692 RDI: 0000000000000005 RBP: 1ffff920002a2f24 R08: 0000000000000000 R09: ffffffff8ab2364f R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90001517a18 R13: ffffc90001517a38 R14: 0000000000000000 R15: ffffc90001517a18 snd_pcm_plug_format_plugins+0xb76/0x1360 sound/core/oss/pcm_plugin.c:494 snd_pcm_oss_change_params_locked+0x3015/0x3430 sound/core/oss/pcm_oss.c:952 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1084 [inline] snd_pcm_oss_make_ready+0xe6/0x2e0 sound/core/oss/pcm_oss.c:1143 snd_pcm_oss_sync+0x2e0/0x800 sound/core/oss/pcm_oss.c:1642 snd_pcm_oss_release+0x276/0x300 sound/core/oss/pcm_oss.c:2546 __fput+0x285/0x920 fs/file_table.c:281 task_work_run+0xdd/0x190 kernel/task_work.c:141 exit_task_work include/linux/task_work.h:25 [inline] do_exit+0xb7d/0x29f0 kernel/exit.c:806 do_group_exit+0x125/0x310 kernel/exit.c:903 __do_sys_exit_group kernel/exit.c:914 [inline] __se_sys_exit_group kernel/exit.c:912 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:912 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x440038 Code: Bad RIP value. RSP: 002b:00007ffd5c7994d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440038 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004bf870 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..