general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 8412 Comm: syz-executor.3 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:snd_ctl_release+0x7b/0x5e0 sound/core/control.c:114
Code: 3c 03 00 74 08 48 89 ef e8 e2 66 77 fb 48 c7 45 00 00 00 00 00 49 8d 7f 10 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 3a 66 77 fb 49 8b 47 10 48 89 44 24 08 4c 8d
RSP: 0018:ffffc9000acbfde8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 1ffff11014d67a96 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff8880a6b3d300 RDI: 0000000000000010
RBP: ffff8880a6b3d4b0 R08: ffffffff81bf2bc4 R09: fffffbfff12a7bd5
R10: fffffbfff12a7bd5 R11: 0000000000000000 R12: ffff8880a6b3d328
R13: ffff8880a6b3d300 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fc0fa988700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000009af05000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __fput+0x34f/0x7b0 fs/file_table.c:281
 task_work_run+0x137/0x1c0 kernel/task_work.c:141
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:140 [inline]
 exit_to_user_mode_prepare+0x11a/0x1e0 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x82/0x1d0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc0fa987c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9
RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000006
RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000180 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fffe452ed6f R14: 00007fc0fa9889c0 R15: 000000000118cf4c
Modules linked in:
---[ end trace c69c501072b0235d ]---
RIP: 0010:snd_ctl_release+0x7b/0x5e0 sound/core/control.c:114
Code: 3c 03 00 74 08 48 89 ef e8 e2 66 77 fb 48 c7 45 00 00 00 00 00 49 8d 7f 10 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 3a 66 77 fb 49 8b 47 10 48 89 44 24 08 4c 8d
RSP: 0018:ffffc9000acbfde8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 1ffff11014d67a96 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff8880a6b3d300 RDI: 0000000000000010
RBP: ffff8880a6b3d4b0 R08: ffffffff81bf2bc4 R09: fffffbfff12a7bd5
R10: fffffbfff12a7bd5 R11: 0000000000000000 R12: ffff8880a6b3d328
R13: ffff8880a6b3d300 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fc0fa988700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81572cb000 CR3: 000000009af05000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400