------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 27 seconds WARNING: fs/bcachefs/btree_iter.c:3276 at check_srcu_held_too_long fs/bcachefs/btree_iter.c:3274 [inline], CPU#0: bch-reclaim/loo/12684 WARNING: fs/bcachefs/btree_iter.c:3276 at bch2_trans_put+0xf90/0x1220 fs/bcachefs/btree_iter.c:3570, CPU#0: bch-reclaim/loo/12684 Modules linked in: CPU: 0 UID: 0 PID: 12684 Comm: bch-reclaim/loo Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:check_srcu_held_too_long fs/bcachefs/btree_iter.c:3274 [inline] RIP: 0010:bch2_trans_put+0xf90/0x1220 fs/bcachefs/btree_iter.c:3570 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 20 b6 f3 8b 48 89 d6 e8 61 0b 58 fd 90 <0f> 0b 90 90 e9 98 f7 ff ff e8 52 7c 94 fd 90 0f 0b 90 e9 de f7 ff RSP: 0018:ffffc90011a87780 EFLAGS: 00010246 RAX: 466b405c93b45300 RBX: ffff88805a19c088 RCX: ffff88801eafbc80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc90011a878f0 R08: ffff8880b8624253 R09: 1ffff110170c484a R10: dffffc0000000000 R11: ffffed10170c484b R12: 000000010000c611 R13: 1ffff1100b433811 R14: 00000000000002bb R15: 1ffff1100b433809 FS: 0000000000000000(0000) GS:ffff8881259f0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055afedc9cd08 CR3: 000000000e138000 CR4: 00000000003526f0 Call Trace: __btree_node_flush+0x33a/0x430 fs/bcachefs/btree_trans_commit.c:258 bch2_btree_node_flush1+0x2a/0x40 fs/bcachefs/btree_trans_commit.c:269 journal_flush_pins+0x8e3/0xe90 fs/bcachefs/journal_reclaim.c:604 __bch2_journal_reclaim+0x910/0xed0 fs/bcachefs/journal_reclaim.c:732 bch2_journal_reclaim_thread+0x177/0x4f0 fs/bcachefs/journal_reclaim.c:774 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x47c/0x820 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245