u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0  
  node offset 8/16 bset u64s 8 bset byte offset 40: bad k->u64s 0 (min 3 max 253), fixing
bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=extents level=0 SPOS_MAX due to error
------------[ cut here ]------------
btree trans held srcu lock (delaying memory reclaim) for 10 seconds
WARNING: CPU: 1 PID: 6290 at fs/bcachefs/btree_iter.c:3030 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3028 [inline]
WARNING: CPU: 1 PID: 6290 at fs/bcachefs/btree_iter.c:3030 bch2_trans_put+0x596/0x620 fs/bcachefs/btree_iter.c:3274
Modules linked in:
CPU: 1 UID: 0 PID: 6290 Comm: syz.0.16 Not tainted 6.12.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:check_srcu_held_too_long fs/bcachefs/btree_iter.c:3028 [inline]
RIP: 0010:bch2_trans_put+0x596/0x620 fs/bcachefs/btree_iter.c:3274
Code: 03 49 2b 45 70 48 c1 e8 02 48 b9 c3 f5 28 5c 8f c2 f5 28 48 f7 e1 48 c1 ea 02 48 c7 c7 ff 3f 0f 85 48 89 d6 e8 db 68 2a ff 90 <0f> 0b 90 90 e9 6a fc ff ff e8 8c 39 45 ff 90 0f 0b 90 e9 85 fc ff
RSP: 0018:ffffc9000291b988 EFLAGS: 00010246
RAX: 272c2da5a80d7500 RBX: ffffffffffffffd0 RCX: ffff888100bb1bc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8129cb94 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88816f880000
R13: ffff888178b44000 R14: ffff888178b441b8 R15: ffff888178b441b8
FS:  00007f3ac6fba6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa41e501150 CR3: 000000017a03e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_btree_root_read+0x348/0x3b0 fs/bcachefs/btree_io.c:1771
 read_btree_roots+0x17e/0x480 fs/bcachefs/recovery.c:523
 bch2_fs_recovery+0x10f8/0x1ae0 fs/bcachefs/recovery.c:853
 bch2_fs_start+0x24a/0x3b0 fs/bcachefs/super.c:1037
 bch2_fs_get_tree+0x4f3/0x800 fs/bcachefs/fs.c:2170
 vfs_get_tree+0x39/0x140 fs/super.c:1814
 do_new_mount+0x1e4/0x570 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x280/0x2d0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ac61874ca
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:00007f3ac6fb9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3ac6fb9ef0 RCX: 00007f3ac61874ca
RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007f3ac6fb9eb0
RBP: 00000000200058c0 R08: 00007f3ac6fb9ef0 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000020005900
R13: 00007f3ac6fb9eb0 R14: 0000000000005904 R15: 0000000020000180
 </TASK>