------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 25 seconds WARNING: CPU: 0 PID: 6057 at fs/bcachefs/btree_iter.c:3232 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3230 [inline] WARNING: CPU: 0 PID: 6057 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: 6057 Comm: syz.4.18 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #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 00 42 d3 8b 48 89 d6 e8 f4 fc 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:ffffc90004ff69d8 EFLAGS: 00010246 RAX: e54f527103880f00 RBX: 1ffff1100ac6a008 RCX: 0000000000080000 RDX: ffffc9000d57d000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 1ffff1100ac6a011 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: ffff888056350042 R13: ffff888056350088 R14: 1ffff1100ac6a008 R15: 0000000000000282 FS: 00007f4b602ba6c0(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f68686e5000 CR3: 000000007a5fe000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_run_recovery_pass fs/bcachefs/recovery_passes.c:477 [inline] __bch2_run_recovery_passes+0x392/0x1010 fs/bcachefs/recovery_passes.c:532 bch2_run_recovery_passes+0x184/0x210 fs/bcachefs/recovery_passes.c:603 bch2_fs_recovery+0x2677/0x39a0 fs/bcachefs/recovery.c:974 bch2_fs_start+0xa99/0xd90 fs/bcachefs/super.c:1200 bch2_fs_get_tree+0xb6c/0x1460 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 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4b5f3900ca 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:00007f4b602b9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4b602b9ef0 RCX: 00007f4b5f3900ca RDX: 00002000000000c0 RSI: 0000200000000040 RDI: 00007f4b602b9eb0 RBP: 00002000000000c0 R08: 00007f4b602b9ef0 R09: 000000000000440c R10: 000000000000440c R11: 0000000000000246 R12: 0000200000000040 R13: 00007f4b602b9eb0 R14: 0000000000005904 R15: 0000200000000080