------------[ cut here ]------------
WARNING: CPU: 0 PID: 7278 at kernel/kthread.c:524 __kthread_bind_mask kernel/kthread.c:524 [inline]
WARNING: CPU: 0 PID: 7278 at kernel/kthread.c:524 kthread_bind_mask+0x39/0xc0 kernel/kthread.c:542
Modules linked in:
CPU: 0 PID: 7278 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-12913-gae3419fbac84 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:__kthread_bind_mask kernel/kthread.c:524 [inline]
RIP: 0010:kthread_bind_mask+0x39/0xc0 kernel/kthread.c:542
Code: fb e8 3b ed 2e 00 be 02 00 00 00 48 89 df e8 0e 62 04 00 31 ff 48 89 c5 48 89 c6 e8 91 e9 2e 00 48 85 ed 75 12 e8 17 ed 2e 00 <0f> 0b 5b 5d 41 5c 41 5d e9 0a ed 2e 00 e8 05 ed 2e 00 4c 8d ab 58
RSP: 0018:ffffc90002d77608 EFLAGS: 00010216
RAX: 0000000000010def RBX: ffff8880258d4180 RCX: ffffc90008de5000
RDX: 0000000000040000 RSI: ffffffff81553599 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8e7790d8
R13: ffff88801cdde800 R14: ffff88801cdde820 R15: ffff88801cdde800
FS:  00007f3e09d1f700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000c000 CR3: 0000000075e1e000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 init_rescuer.part.0+0xf0/0x170 kernel/workqueue.c:4395
 init_rescuer kernel/workqueue.c:4379 [inline]
 alloc_workqueue+0xcc5/0x1080 kernel/workqueue.c:4462
 btrfs_alloc_workqueue+0x19d/0x6b0 fs/btrfs/async-thread.c:102
 btrfs_init_workqueues fs/btrfs/disk-io.c:2213 [inline]
 open_ctree+0x1796/0x5320 fs/btrfs/disk-io.c:3498
 btrfs_fill_super fs/btrfs/super.c:1152 [inline]
 btrfs_mount_root+0xa49/0xdb0 fs/btrfs/super.c:1521
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x350 fs/super.c:1501
 fc_mount fs/namespace.c:1035 [inline]
 vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1065
 vfs_kern_mount+0x40/0x60 fs/namespace.c:1052
 btrfs_mount+0x23f/0xb20 fs/btrfs/super.c:1581
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x350 fs/super.c:1501
 do_new_mount fs/namespace.c:3042 [inline]
 path_mount+0x1342/0x1e40 fs/namespace.c:3372
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount fs/namespace.c:3571 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3e0908d62a
Code: Unable to access opcode bytes at 0x7f3e0908d600.
RSP: 002b:00007f3e09d1ef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000050ed RCX: 00007f3e0908d62a
RDX: 0000000020005100 RSI: 0000000020005140 RDI: 00007f3e09d1efe0
RBP: 00007f3e09d1f020 R08: 00007f3e09d1f020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020005100
R13: 0000000020005140 R14: 00007f3e09d1efe0 R15: 0000000020005180
 </TASK>