bcachefs (loop0): btree_path_down(): fatal error node not found at pos 536870913:5159715431275259989:U32_MAX within parent node u64s 5 type btree_ptr SPOS_MAX len 0 ver 0
bcachefs (loop0): pointer to nonexistent device 237
------------[ cut here ]------------
unhandled error case in bch2_bkey_pick_read_device
WARNING: CPU: 0 PID: 5331 at fs/bcachefs/extents.c:230 bch2_bkey_pick_read_device+0x17a5/0x1a00 fs/bcachefs/extents.c:230
Modules linked in:
CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-07422-gacb4f33713b9 #0 PREEMPT(full) 
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_bkey_pick_read_device+0x17a5/0x1a00 fs/bcachefs/extents.c:230
Code: d1 3a 57 fd e9 d0 fd ff ff e8 c7 3a 57 fd c6 05 be 96 db 0b 01 90 48 c7 c7 e0 af 93 8c 48 c7 c6 da 11 59 8e e8 8c 4e 16 fd 90 <0f> 0b 90 90 e9 bc fe ff ff e8 9d 3a 57 fd e9 6e ff ff ff 89 d9 80
RSP: 0018:ffffc9000d4ed4a0 EFLAGS: 00010246
RAX: 84d74d1bce087c00 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000032ff RDI: 0000000000003300
RBP: ffffc9000d4ed6d0 R08: ffffffff81829db2 R09: 1ffff11003f847d2
R10: dffffc0000000000 R11: ffffed1003f847d3 R12: dffffc0000000000
R13: 1ffff92001a9dabc R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb6aabca6c0(0000) GS:ffff88808c5f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6aabc9fd8 CR3: 0000000044308000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __bch2_read_extent+0x3ab/0x4400 fs/bcachefs/io_read.c:962
 bch2_read_extent fs/bcachefs/io_read.h:140 [inline]
 bchfs_read+0x2a88/0x3300 fs/bcachefs/fs-io-buffered.c:226
 bch2_readahead+0xe7a/0x12d0 fs/bcachefs/fs-io-buffered.c:301
 read_pages+0x193/0x590 mm/readahead.c:160
 page_cache_ra_order+0xa37/0xca0 mm/readahead.c:515
 filemap_get_pages+0x59f/0x1fc0 mm/filemap.c:2602
 filemap_read+0x466/0x1260 mm/filemap.c:2713
 bch2_read_iter+0x1179/0x14b0 fs/bcachefs/fs-io-direct.c:221
 __kernel_read+0x532/0xa10 fs/read_write.c:528
 integrity_kernel_read+0xb2/0x100 security/integrity/iint.c:28
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline]
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline]
 ima_calc_file_hash+0xaa0/0x1af0 security/integrity/ima/ima_crypto.c:568
 ima_collect_measurement+0x52b/0xb20 security/integrity/ima/ima_api.c:293
 process_measurement+0x1353/0x1fb0 security/integrity/ima/ima_main.c:375
 ima_file_check+0xdb/0x130 security/integrity/ima/ima_main.c:603
 security_file_post_open+0xb9/0x280 security/security.c:3130
 do_open fs/namei.c:3847 [inline]
 path_openat+0x2cf7/0x35d0 fs/namei.c:4004
 do_filp_open+0x284/0x4e0 fs/namei.c:4031
 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_open fs/open.c:1452 [inline]
 __se_sys_open fs/open.c:1448 [inline]
 __x64_sys_open+0x226/0x280 fs/open.c:1448
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb6a9d8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb6aabca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fb6a9fa6080 RCX: 00007fb6a9d8d169
RDX: 0000000000000000 RSI: 0000000000181042 RDI: 0000200000000040
RBP: 00007fb6a9e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb6a9fa6080 R15: 00007ffc9dbbfbe8
 </TASK>