bcachefs (loop0): check_extents_to_backpointers...
bcachefs (loop0): scanning for missing backpointers in 6/128 buckets
 done
bcachefs (loop0): reconstruct_snapshots...
snapshot node 4294905343 from tree 4294905343 missing, recreating
------------[ cut here ]------------
kernel BUG at fs/bcachefs/bkey_types.h:210!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 6720 Comm: syz.0.16 Not tainted 6.14.0-rc7-syzkaller-g4701f33a1070 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:bkey_s_c_to_subvolume fs/bcachefs/bkey_types.h:210 [inline]
RIP: 0010:check_snapshot_exists fs/bcachefs/snapshot.c:884 [inline]
RIP: 0010:bch2_reconstruct_snapshots+0x35a5/0x35b0 fs/bcachefs/snapshot.c:1001
Code: d2 a8 fd e9 e3 cb ff ff e8 08 20 44 fd e8 33 c5 a8 fd 4c 89 ef 89 de e8 09 6d cc ff e8 f4 1f 44 fd 90 0f 0b e8 ec 1f 44 fd 90 <0f> 0b e8 94 2d 83 07 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003afee20 EFLAGS: 00010293
RAX: ffffffff847dbf84 RBX: 0000000000000009 RCX: ffff88807da01e00
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000015
RBP: ffffc90003aff428 R08: ffffffff847db0aa R09: 0000000000000000
R10: ffffc90003afe820 R11: fffff5200075fd11 R12: ffff888020ef9b80
R13: 0000000000000000 R14: ffff8880348d1e30 R15: 1ffff110041df370
FS:  00007f1aadd786c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1aacf70220 CR3: 00000000331fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226
 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291
 bch2_fs_recovery+0x265a/0x3de0 fs/bcachefs/recovery.c:936
 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041
 bch2_fs_get_tree+0xdb7/0x17a0 fs/bcachefs/fs.c:2203
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1aacf8e58a
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:00007f1aadd77e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1aadd77ef0 RCX: 00007f1aacf8e58a
RDX: 00004000000058c0 RSI: 0000400000005900 RDI: 00007f1aadd77eb0
RBP: 00004000000058c0 R08: 00007f1aadd77ef0 R09: 0000000001000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000400000005900
R13: 00007f1aadd77eb0 R14: 0000000000005934 R15: 0000400000002140
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bkey_s_c_to_subvolume fs/bcachefs/bkey_types.h:210 [inline]
RIP: 0010:check_snapshot_exists fs/bcachefs/snapshot.c:884 [inline]
RIP: 0010:bch2_reconstruct_snapshots+0x35a5/0x35b0 fs/bcachefs/snapshot.c:1001
Code: d2 a8 fd e9 e3 cb ff ff e8 08 20 44 fd e8 33 c5 a8 fd 4c 89 ef 89 de e8 09 6d cc ff e8 f4 1f 44 fd 90 0f 0b e8 ec 1f 44 fd 90 <0f> 0b e8 94 2d 83 07 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003afee20 EFLAGS: 00010293
RAX: ffffffff847dbf84 RBX: 0000000000000009 RCX: ffff88807da01e00
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000015
RBP: ffffc90003aff428 R08: ffffffff847db0aa R09: 0000000000000000
R10: ffffc90003afe820 R11: fffff5200075fd11 R12: ffff888020ef9b80
R13: 0000000000000000 R14: ffff8880348d1e30 R15: 1ffff110041df370
FS:  00007f1aadd786c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1aacf70220 CR3: 00000000331fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400