bcachefs (loop0): recovering from clean shutdown, journal seq 10
bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.13: inode_has_child_snapshots
  running recovery passes: check_allocations,check_inodes
bcachefs (loop0): dropping and reconstructing all alloc info
invalid btree id 251 (max 63), fix?
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/bcachefs/btree_cache.c:215:18
shift exponent 251 is too large for 64-bit type 'unsigned long long'
CPU: 0 UID: 0 PID: 5821 Comm: syz-executor193 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468
 __btree_node_pinned+0x80b/0x850 fs/bcachefs/btree_cache.c:215
 __bch2_btree_node_hash_insert+0xd02/0x1310 fs/bcachefs/btree_cache.c:292
 bch2_btree_node_hash_insert+0x7e/0xc0 fs/bcachefs/btree_cache.c:307
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1743 [inline]
 bch2_btree_root_read+0x5c6/0x7a0 fs/bcachefs/btree_io.c:1771
 read_btree_roots+0x296/0x840 fs/bcachefs/recovery.c:523
 bch2_fs_recovery+0x2585/0x39d0 fs/bcachefs/recovery.c:853
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037
 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 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: 0033:0x7fb0bcbc8f3a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffecf5c55f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffecf5c5610 RCX: 00007fb0bcbc8f3a
RDX: 0000000020000180 RSI: 0000000020000540 RDI: 00007ffecf5c5610
RBP: 0000000000000004 R08: 00007ffecf5c5650 R09: 0000000000005965
R10: 0000000000800000 R11: 0000000000000282 R12: 0000000000800000
R13: 00007ffecf5c5650 R14: 0000000000000003 R15: 0000000001000000
 </TASK>
---[ end trace ]---