------------[ cut here ]------------
btree trans held srcu lock (delaying memory reclaim) for 12 seconds
WARNING: CPU: 0 PID: 16046 at fs/bcachefs/btree_iter.c:3276 bch2_trans_put+0xf90/0x1220
Modules linked in:
CPU: 0 UID: 0 PID: 16046 Comm: syz.5.1911 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_put+0xf90/0x1220
Code: 2b 33 49 c1 ee 02 48 b9 c3 f5 28 5c 8f c2 f5 28 4c 89 f0 48 f7 e1 48 c1 ea 02 48 c7 c7 e0 b7 d3 8b 48 89 d6 e8 a1 eb 59 fd 90 <0f> 0b 90 90 e9 98 f7 ff ff e8 72 4f 96 fd 90 0f 0b 90 e9 de f7 ff
RSP: 0018:ffffc900069d6fc0 EFLAGS: 00010246
RAX: 3096fd5eb4af5b00 RBX: ffff8881326c0088 RCX: 0000000000080000
RDX: ffffc90034c0b000 RSI: 0000000000052560 RDI: 0000000000052561
RBP: ffffc900069d7130 R08: ffff88804b024253 R09: 1ffff1100960484a
R10: dffffc0000000000 R11: ffffed100960484b R12: 000000010001b669
R13: 1ffff110264d8011 R14: 0000000000000133 R15: 1ffff110264d8009
FS:  00007f4382b366c0(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f933f8b788b CR3: 00000001266f4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 bch2_dev_usage_init+0x373/0x3f0
 bch2_fs_initialize+0xc25/0x1550
 bch2_fs_start+0xaa0/0xda0
 bch2_fs_get_tree+0xb39/0x1520
 vfs_get_tree+0x92/0x2b0
 do_new_mount+0x2a2/0x9e0
 __se_sys_mount+0x317/0x410
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4381d9038a
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:00007f4382b35e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4382b35ef0 RCX: 00007f4381d9038a
RDX: 0000200000000140 RSI: 0000200000000100 RDI: 00007f4382b35eb0
RBP: 0000200000000140 R08: 00007f4382b35ef0 R09: 0000000002800000
R10: 0000000002800000 R11: 0000000000000246 R12: 0000200000000100
R13: 00007f4382b35eb0 R14: 0000000000005a91 R15: 0000200000000040
 </TASK>
