------------[ cut here ]------------ WARNING: CPU: 0 PID: 30377 at sound/core/info.c:609 snd_info_get_line+0x3d0/0x450 sound/core/info.c:609 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 30377 Comm: syz-executor.4 Not tainted 5.8.0-rc5-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+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:snd_info_get_line+0x3d0/0x450 sound/core/info.c:609 Code: 0f 85 84 00 00 00 41 c6 45 00 00 31 ed 89 e8 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 57 8a 3b fb eb 05 e8 50 8a 3b fb <0f> 0b bd 01 00 00 00 eb da 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a3 RSP: 0018:ffffc9001a40fb78 EFLAGS: 00010293 RAX: ffffffff86390470 RBX: 0000000000000080 RCX: ffff88801b7a0500 RDX: 0000000000000000 RSI: ffffc9001a40fc50 RDI: ffff88801e8492c0 RBP: ffffc9001a40fd08 R08: dffffc0000000000 R09: ffffed10429d4f9c R10: ffffed10429d4f9c R11: 0000000000000000 R12: ffff88804a56ec08 R13: ffffc9001a40fc50 R14: 1ffff11003d09258 R15: ffff88801e8492c0 snd_mixer_oss_proc_write+0x6d/0x670 sound/core/oss/mixer_oss.c:1179 snd_info_text_entry_release+0xdf/0x1c0 sound/core/info.c:409 close_pdeo+0x16c/0x310 fs/proc/inode.c:244 proc_reg_release+0x17c/0x1c0 fs/proc/inode.c:561 __fput+0x2f0/0x750 fs/file_table.c:281 task_work_run+0x137/0x1c0 kernel/task_work.c:135 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:239 [inline] __prepare_exit_to_usermode+0x14c/0x1e0 arch/x86/entry/common.c:269 do_syscall_64+0x7f/0xe0 arch/x86/entry/common.c:393 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x415d51 Code: Bad RIP value. RSP: 002b:00007ffd16081110 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000415d51 RDX: 0000000000000000 RSI: 0000000000001490 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00000000c49c3490 R09: 00000000c49c3494 R10: 00007ffd16081200 R11: 0000000000000293 R12: 0000000000790138 R13: 00000000001eb676 R14: ffffffffffffffff R15: 000000000078bf0c Kernel Offset: disabled Rebooting in 86400 seconds..