u64s 7 type dirent 4096:6229884513039707068:U32_MAX len 0 ver 0: ÍËle2 -> 2165878814 -> 1056964609 type subvol, fixing
hash table key at wrong offset: btree dirents inode 4096 offset 6229884513039707068, hashed to 2263426191451115502
  u64s 7 type dirent 4096:6229884513039707068:U32_MAX len 0 ver 0: ÍËle2 -> 2165878814 -> 1056964609 type subvol, fixing
------------[ cut here ]------------
kernel BUG at fs/bcachefs/fsck.c:1010!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 0 UID: 0 PID: 3352 Comm: syz.2.16 Not tainted 6.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:bch2_fsck_update_backpointers+0x154/0x160 fs/bcachefs/fsck.c:1010
Code: 24 18 c8 00 00 00 48 81 c5 c8 00 00 00 48 03 44 24 28 48 39 c5 72 cc e9 5d ff ff ff 41 89 c7 e9 55 ff ff ff e8 bd 31 1c 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900035b73e8 EFLAGS: 00010246
RAX: 0000000000000010 RBX: ffff888179fdd780 RCX: ffff888179fdd780
RDX: ffffc900035b76e8 RSI: ffffc900035b7788 RDI: ffff8881047cc000
RBP: ffffffff81b7e720 R08: ffffffff81b7e5a0 R09: 0000000a00000002
R10: ffffffff81b7e580 R11: 0000000000000000 R12: 000000000000000a
R13: 0000000000000000 R14: ffff888179fdd7c0 R15: 0000000000000000
FS:  00007fdf5d8b36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf5c971da0 CR3: 00000001027ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __bch2_str_hash_check_key+0x10a5/0x1320 fs/bcachefs/str_hash.c:257
 bch2_str_hash_check_key fs/bcachefs/str_hash.h:419 [inline]
 check_dirent fs/bcachefs/fsck.c:2352 [inline]
 bch2_check_dirents+0xdef/0x10c0 fs/bcachefs/fsck.c:2447
 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:226 [inline]
 bch2_run_recovery_passes+0x10d/0x2a0 fs/bcachefs/recovery_passes.c:291
 bch2_fs_recovery+0xa2f/0x1370 fs/bcachefs/recovery.c:936
 bch2_fs_start+0x1c9/0x290 fs/bcachefs/super.c:1060
 bch2_fs_get_tree+0x2be/0x690 fs/bcachefs/fs.c:2221
 vfs_get_tree+0x27/0xf0 fs/super.c:1814
 do_new_mount+0x15a/0x3a0 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x147/0x1b0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xe0/0x1f0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf5c99010a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fdf5d8b2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdf5d8b2ef0 RCX: 00007fdf5c99010a
RDX: 000020000000f640 RSI: 0000200000000200 RDI: 00007fdf5d8b2eb0
RBP: 000020000000f640 R08: 00007fdf5d8b2ef0 R09: 0000000002a18414
R10: 0000000002a18414 R11: 0000000000000246 R12: 0000200000000200
R13: 00007fdf5d8b2eb0 R14: 000000000000f651 R15: 00002000000004c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_fsck_update_backpointers+0x154/0x160 fs/bcachefs/fsck.c:1010
Code: 24 18 c8 00 00 00 48 81 c5 c8 00 00 00 48 03 44 24 28 48 39 c5 72 cc e9 5d ff ff ff 41 89 c7 e9 55 ff ff ff e8 bd 31 1c 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900035b73e8 EFLAGS: 00010246
RAX: 0000000000000010 RBX: ffff888179fdd780 RCX: ffff888179fdd780
RDX: ffffc900035b76e8 RSI: ffffc900035b7788 RDI: ffff8881047cc000
RBP: ffffffff81b7e720 R08: ffffffff81b7e5a0 R09: 0000000a00000002
R10: ffffffff81b7e580 R11: 0000000000000000 R12: 000000000000000a
R13: 0000000000000000 R14: ffff888179fdd7c0 R15: 0000000000000000
FS:  00007fdf5d8b36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf5c971da0 CR3: 00000001027ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400