------------[ cut here ]------------
btree trans held srcu lock (delaying memory reclaim) for 30 seconds
WARNING: fs/bcachefs/btree_iter.c:3276 at bch2_trans_srcu_unlock+0x50d/0x620, CPU#1: syz.1.43/6249
Modules linked in:
CPU: 1 UID: 0 PID: 6249 Comm: syz.1.43 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 a0 2e f4 8b 48 89 d6 e8 c4 3d 55 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:ffffc900037476f8 EFLAGS: 00010246
RAX: 3537a4ea5e3a8500 RBX: 1ffff11021ad8809 RCX: 0000000000080000
RDX: ffffc9000f087000 RSI: 0000000000024649 RDI: 000000000002464a
RBP: 1ffff11021ad8811 R08: ffff888136624293 R09: 1ffff11026cc4852
R10: dffffc0000000000 R11: ffffed1026cc4853 R12: ffff88810d6c4046
R13: ffff88810d6c4088 R14: 1ffff11021ad8808 R15: 0000000000000304
FS:  00007f70f67bf6c0(0000) GS:ffff8881a39fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3ef505000 CR3: 0000000021576000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 bch2_trans_begin+0x1b46/0x2320
 __bch2_create+0x3cc/0xb90
 bch2_mkdir+0x62/0xd0
 vfs_mkdir+0x306/0x510
 do_mkdirat+0x247/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70f598ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f70f67bf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f70f5bd5fa0 RCX: 00007f70f598ec29
RDX: 0000000000000180 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f70f5a11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70f5bd6038 R14: 00007f70f5bd5fa0 R15: 00007ffc56172568
 </TASK>
