------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 74 seconds WARNING: CPU: 1 PID: 8890 at fs/bcachefs/btree_iter.c:3179 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3177 [inline] WARNING: CPU: 1 PID: 8890 at fs/bcachefs/btree_iter.c:3179 bch2_trans_srcu_unlock+0x438/0x514 fs/bcachefs/btree_iter.c:3193 Modules linked in: CPU: 1 UID: 0 PID: 8890 Comm: bch-reclaim/loo Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_srcu_held_too_long fs/bcachefs/btree_iter.c:3177 [inline] pc : bch2_trans_srcu_unlock+0x438/0x514 fs/bcachefs/btree_iter.c:3193 lr : check_srcu_held_too_long fs/bcachefs/btree_iter.c:3177 [inline] lr : bch2_trans_srcu_unlock+0x438/0x514 fs/bcachefs/btree_iter.c:3193 sp : ffff80009c467420 x29: ffff80009c467450 x28: 1fffe0001ef27008 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000ea400000 x24: ffff80008f290000 x23: 1ffff00011e52040 x22: 00000000ffffcc79 x21: ffffffffffffe6ca x20: ffff0000f7938000 x19: ffff0000f7938042 x18: 00000000ffffffff x17: ffff800092f27000 x16: ffff80008ad1d588 x15: ffff700011e720b4 x14: 1ffff00011e720b4 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011e720b4 x10: 0000000000ff0100 x9 : c199a0527386b100 x8 : c199a0527386b100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009c466d78 x4 : ffff80008f405b40 x3 : ffff8000805456dc x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: check_srcu_held_too_long fs/bcachefs/btree_iter.c:3177 [inline] (P) bch2_trans_srcu_unlock+0x438/0x514 fs/bcachefs/btree_iter.c:3193 (P) bch2_trans_begin+0x828/0xa40 fs/bcachefs/btree_iter.c:3270 bch2_btree_write_buffer_flush_locked+0x10b0/0x2548 fs/bcachefs/btree_write_buffer.c:401 btree_write_buffer_flush_seq+0x1010/0x1144 fs/bcachefs/btree_write_buffer.c:570 bch2_btree_write_buffer_journal_flush+0x70/0xc8 fs/bcachefs/btree_write_buffer.c:586 journal_flush_pins+0x6f4/0xcc0 fs/bcachefs/journal_reclaim.c:592 __bch2_journal_reclaim+0x704/0xe30 fs/bcachefs/journal_reclaim.c:723 bch2_journal_reclaim_thread+0x13c/0x480 fs/bcachefs/journal_reclaim.c:765 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 97990 hardirqs last enabled at (97989): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (97989): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (97990): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (97984): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (97984): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (90429): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---