------------[ cut here ]------------
btree trans held srcu lock (delaying memory reclaim) for 58 seconds
WARNING: fs/bcachefs/btree_iter.c:3276 at bch2_trans_srcu_unlock+0x50d/0x620, CPU#0: bch-reclaim/loo/15138
Modules linked in:
CPU: 0 UID: 0 PID: 15138 Comm: bch-reclaim/loo Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:bch2_trans_srcu_unlock+0x50d/0x620
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 60 ed f3 8b 48 89 d6 e8 24 65 58 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:ffffc9000298f578 EFLAGS: 00010246
RAX: b502aafcfbad6300 RBX: 1ffff110065ad009 RCX: ffff8880229fd640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff110065ad011 R08: ffffffff8fc3eb37 R09: 1ffffffff1f87d66
R10: dffffc0000000000 R11: fffffbfff1f87d67 R12: ffff888032d68046
R13: ffff888032d68088 R14: 1ffff110065ad008 R15: 00000000000005ad
FS:  0000000000000000(0000) GS:ffff8880b83fa000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1cc4ff9458 CR3: 000000001b394000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 bch2_trans_begin+0x1b46/0x2320
 bch2_btree_key_cache_journal_flush+0x3db/0xd30
 journal_flush_pins+0x8e3/0xe90
 __bch2_journal_reclaim+0x910/0xed0
 bch2_journal_reclaim_thread+0x177/0x4f0
 kthread+0x711/0x8a0
 ret_from_fork+0x47f/0x820
 ret_from_fork_asm+0x1a/0x30
 </TASK>
