------------[ cut here ]------------
btree trans held srcu lock (delaying memory reclaim) for 25 seconds
WARNING: CPU: 0 PID: 6083 at fs/bcachefs/btree_iter.c:3232 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3230 [inline]
WARNING: CPU: 0 PID: 6083 at fs/bcachefs/btree_iter.c:3232 bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3246
Modules linked in:
CPU: 0 UID: 0 PID: 6083 Comm: syz.1.35 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:check_srcu_held_too_long fs/bcachefs/btree_iter.c:3230 [inline]
RIP: 0010:bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3246
Code: 7d 00 49 c1 ef 02 48 b9 c3 f5 28 5c 8f c2 f5 28 4c 89 f8 48 f7 e1 48 c1 ea 02 48 c7 c7 c0 42 d3 8b 48 89 d6 e8 b4 ec 61 fd 90 <0f> 0b 90 90 e9 a6 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 1c fb ff
RSP: 0018:ffffc90004de6a58 EFLAGS: 00010246
RAX: a646085ca445e900 RBX: 1ffff1100b066008 RCX: ffff8880350d8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 1ffff1100b066011 R08: ffffffff8f9fe2f7 R09: 1ffffffff1f3fc5e
R10: dffffc0000000000 R11: fffffbfff1f3fc5f R12: ffff888058330042
R13: ffff888058330088 R14: 1ffff1100b066008 R15: 0000000000000278
FS:  00007f382773b6c0(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4fb83b2060 CR3: 000000002962e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_trans_begin+0x1a0d/0x1fc0 fs/bcachefs/btree_iter.c:3322
 bch2_trans_mark_metadata_bucket+0x1b7/0x1260 fs/bcachefs/buckets.c:1091
 bch2_trans_mark_metadata_sectors fs/bcachefs/buckets.c:1108 [inline]
 __bch2_trans_mark_dev_sb fs/bcachefs/buckets.c:1148 [inline]
 bch2_trans_mark_dev_sb+0x3ed/0x7c0 fs/bcachefs/buckets.c:1176
 bch2_trans_mark_dev_sbs_flags+0x49c/0x500 fs/bcachefs/buckets.c:1186
 bch2_fs_initialize+0xd42/0x1550 fs/bcachefs/recovery.c:1208
 bch2_fs_start+0xa88/0xd90 fs/bcachefs/super.c:1204
 bch2_fs_get_tree+0xb02/0x14f0 fs/bcachefs/fs.c:2489
 vfs_get_tree+0x92/0x2b0 fs/super.c:1802
 do_new_mount+0x24a/0xa40 fs/namespace.c:3885
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4410