------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 21 seconds WARNING: CPU: 1 PID: 7408 at fs/bcachefs/btree_iter.c:3179 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3177 [inline] WARNING: CPU: 1 PID: 7408 at fs/bcachefs/btree_iter.c:3179 bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3193 Modules linked in: CPU: 1 UID: 0 PID: 7408 Comm: syz.6.166 Not tainted 6.15.0-rc6-syzkaller-00025-g627277ba7c23 #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:3177 [inline] RIP: 0010:bch2_trans_srcu_unlock+0x50d/0x620 fs/bcachefs/btree_iter.c:3193 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 d0 b2 8b 48 89 d6 e8 04 84 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:ffffc9000b236a58 EFLAGS: 00010246 RAX: 65338fcfd6403700 RBX: 1ffff11009061808 RCX: 0000000000080000 RDX: ffffc90004439000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 1ffff11009061811 R08: ffff8880b8923e93 R09: 1ffff110171247d2 R10: dffffc0000000000 R11: ffffed10171247d3 R12: ffff88804830c042 R13: ffff88804830c088 R14: 1ffff11009061808 R15: 0000000000000218 FS: 00007ff4d533a6c0(0000) GS:ffff8881261fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f186c77d2d8 CR3: 000000003341a000 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:3270 bch2_gc_btree fs/bcachefs/btree_gc.c:700 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:763 [inline] bch2_check_allocations+0x1165/0x5470 fs/bcachefs/btree_gc.c:1065 bch2_run_recovery_pass+0xe2/0x1d0 fs/bcachefs/recovery_passes.c:227 bch2_run_recovery_passes+0x2a0/0xdb0 fs/bcachefs/recovery_passes.c:280 bch2_fs_recovery+0x2399/0x37b0 fs/bcachefs/recovery.c:937 bch2_fs_start+0x70b/0xae0 fs/bcachefs/super.c:1096 bch2_fs_get_tree+0xad7/0x13b0 fs/bcachefs/fs.c:2505 vfs_get_tree+0x92/0x2b0 fs/super.c:1759 do_new_mount+0x24a/0xa40 fs/namespace.c:3881 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4409 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: 0033:0x7ff4d459010a 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:00007ff4d5339e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff4d5339ef0 RCX: 00007ff4d459010a RDX: 0000200000000000 RSI: 0000200000005900 RDI: 00007ff4d5339eb0 RBP: 0000200000000000 R08: 00007ff4d5339ef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000200000005900 R13: 00007ff4d5339eb0 R14: 00000000000058d9 R15: 0000200000000340