------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 29 seconds WARNING: CPU: 1 PID: 6119 at fs/bcachefs/btree_iter.c:3185 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3183 [inline] WARNING: CPU: 1 PID: 6119 at fs/bcachefs/btree_iter.c:3185 bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3199 Modules linked in: CPU: 1 UID: 0 PID: 6119 Comm: syz.3.46 Not tainted 6.15.0-rc7-syzkaller-00175-g0f8c0258bf04 #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:3183 [inline] RIP: 0010:bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3199 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 eb b2 8b 48 89 d6 e8 a4 4e 68 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:ffffc900050d7078 EFLAGS: 00010246 RAX: 6758515cd57b0a00 RBX: 1ffff11004eb2808 RCX: 0000000000080000 RDX: ffffc9000ccbb000 RSI: 000000000000a832 RDI: 000000000000a833 RBP: 1ffff11004eb2811 R08: ffff8880b8923e93 R09: 1ffff110171247d2 R10: dffffc0000000000 R11: ffffed10171247d3 R12: ffff888027594042 R13: ffff888027594088 R14: 1ffff11004eb2808 R15: 00000000000002d9 FS: 00007fce161686c0(0000) GS:ffff8881261f6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005280 CR3: 0000000052294000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_trans_begin+0x19b0/0x1f10 fs/bcachefs/btree_iter.c:3276 bch2_logged_op_start+0x9b/0x280 fs/bcachefs/logged_ops.c:93 bch2_truncate+0x128/0x200 fs/bcachefs/io_misc.c:297 bchfs_truncate+0x7b7/0xcc0 fs/bcachefs/fs-io.c:509 notify_change+0xb36/0xe40 fs/attr.c:552 do_truncate+0x19a/0x220 fs/open.c:65 handle_truncate fs/namei.c:3501 [inline] do_open fs/namei.c:3884 [inline] path_openat+0x306c/0x3830 fs/namei.c:4039 do_filp_open+0x1fa/0x410 fs/namei.c:4066 do_sys_openat2+0x121/0x1c0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fce1538e969 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:00007fce16168038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fce155b5fa0 RCX: 00007fce1538e969 RDX: 0000000000028200 RSI: 00002000000007c0 RDI: ffffffffffffff9c RBP: 00007fce15410ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000082 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fce155b5fa0 R15: 00007ffee93b1ea8