------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_cache.h:131!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5336 Comm: read_btree_node Not tainted 6.12.0-rc6-syzkaller-00272-gda4373fbcf00 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:bch2_btree_id_root fs/bcachefs/btree_cache.h:131 [inline]
RIP: 0010:bch2_btree_pos_to_text+0x1ee/0x1f0 fs/bcachefs/btree_cache.c:1403
Code: 00 00 fc ff df e9 70 ff ff ff 89 d9 80 e1 07 38 c1 0f 8c 7a ff ff ff 48 89 df e8 6d 20 ea fd e9 6d ff ff ff e8 f3 5a 80 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9000d5a7448 EFLAGS: 00010293
RAX: ffffffff84147f6d RBX: 000000000000001b RCX: ffff88801ed82440
RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff84147e5a R09: 0000000000000000
R10: ffffc9000d5a75e0 R11: fffff52001ab4ec1 R12: ffff888042045800
R13: ffff888051400000 R14: ffff888051400000 R15: ffffc9000d5a75e0
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1979fd88 CR3: 000000001cfbe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btree_node_read_work+0x486/0x1260 fs/bcachefs/btree_io.c:1312
 bch2_btree_node_read+0x2433/0x2a10
 bch2_btree_node_fill+0xc75/0x12f0 fs/bcachefs/btree_cache.c:991
 bch2_btree_node_get_noiter+0x9d5/0xf70 fs/bcachefs/btree_cache.c:1260
 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline]
 try_read_btree_node fs/bcachefs/btree_node_scan.c:193 [inline]
 read_btree_nodes_worker+0x13c5/0x2220 fs/bcachefs/btree_node_scan.c:242
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_btree_id_root fs/bcachefs/btree_cache.h:131 [inline]
RIP: 0010:bch2_btree_pos_to_text+0x1ee/0x1f0 fs/bcachefs/btree_cache.c:1403
Code: 00 00 fc ff df e9 70 ff ff ff 89 d9 80 e1 07 38 c1 0f 8c 7a ff ff ff 48 89 df e8 6d 20 ea fd e9 6d ff ff ff e8 f3 5a 80 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9000d5a7448 EFLAGS: 00010293
RAX: ffffffff84147f6d RBX: 000000000000001b RCX: ffff88801ed82440
RDX: 0000000000000000 RSI: 000000000000001b RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff84147e5a R09: 0000000000000000
R10: ffffc9000d5a75e0 R11: fffff52001ab4ec1 R12: ffff888042045800
R13: ffff888051400000 R14: ffff888051400000 R15: ffffc9000d5a75e0
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1979fd88 CR3: 000000001cfbe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400