------------[ cut here ]------------
WARNING: CPU: 0 PID: 6641 at fs/bcachefs/super.c:525 bch2_fs_read_write_early+0x8a/0xa0 fs/bcachefs/super.c:525
Modules linked in:
CPU: 0 PID: 6641 Comm: kworker/0:5 Not tainted 6.10.0-rc4-syzkaller-00217-g35bb670d65fc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: bcachefs_write_ref bch2_delete_dead_snapshots_work
RIP: 0010:bch2_fs_read_write_early+0x8a/0xa0 fs/bcachefs/super.c:525
Code: 2c b0 76 fd 48 8d bb 78 02 00 00 be ff ff ff ff e8 8b 04 d1 06 31 ff 89 c5 89 c6 e8 10 ab 76 fd 85 ed 75 c7 e8 07 b0 76 fd 90 <0f> 0b 90 eb bc 48 c7 c7 98 b1 e4 8f e8 b5 77 d2 fd eb 9b 0f 1f 00
RSP: 0018:ffffc90003d6f910 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888043980000 RCX: ffffffff84173560
RDX: ffff888048042440 RSI: ffffffff84173569 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffffffff272ca6a R12: ffff8880439801a8
R13: ffff888043980ae0 R14: 0000000000000001 R15: ffff88805177d800
FS:  0000000000000000(0000) GS:ffff88806b000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b654938 CR3: 000000002aa08000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_delete_dead_snapshots+0xfdc/0x4e50 fs/bcachefs/snapshot.c:1569
 bch2_delete_dead_snapshots_work+0x20/0x160 fs/bcachefs/snapshot.c:1690
 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>