------------[ cut here ]------------ btree trans held srcu lock (delaying memory reclaim) for 48 seconds WARNING: CPU: 0 PID: 8724 at fs/bcachefs/btree_iter.c:3185 check_srcu_held_too_long fs/bcachefs/btree_iter.c:3183 [inline] WARNING: CPU: 0 PID: 8724 at fs/bcachefs/btree_iter.c:3185 bch2_trans_put+0xbf0/0xdf8 fs/bcachefs/btree_iter.c:3440 Modules linked in: CPU: 0 UID: 0 PID: 8724 Comm: read_btree_node Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #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:3183 [inline] pc : bch2_trans_put+0xbf0/0xdf8 fs/bcachefs/btree_iter.c:3440 lr : check_srcu_held_too_long fs/bcachefs/btree_iter.c:3183 [inline] lr : bch2_trans_put+0xbf0/0xdf8 fs/bcachefs/btree_iter.c:3440 sp : ffff80009e877990 x29: ffff80009e877a00 x28: 1fffe0001ba10807 x27: ffff0000e4f00000 x26: 0000000000000040 x25: 1fffe0001ba10808 x24: ffff0000dd084042 x23: dfff800000000000 x22: ffff80008f2a0000 x21: 1ffff00011e54040 x20: 00000000ffffc708 x19: fffffffffffff10c x18: 1fffe0003386aa76 x17: ffff80008f31e000 x16: ffff80008adbe9e4 x15: 0000000000000001 x14: 1fffe0003386d4e8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800092d38c40 x10: 0000000000000003 x9 : f21a946de9ed6c00 x8 : f21a946de9ed6c00 x7 : ffff800080485878 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000007 x1 : ffff80008b3ebc40 x0 : 0000000000000001 Call trace: check_srcu_held_too_long fs/bcachefs/btree_iter.c:3183 [inline] (P) bch2_trans_put+0xbf0/0xdf8 fs/bcachefs/btree_iter.c:3440 (P) try_read_btree_node fs/bcachefs/btree_node_scan.c:220 [inline] read_btree_nodes_worker+0x1134/0x1730 fs/bcachefs/btree_node_scan.c:269 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 69076 hardirqs last enabled at (69075): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline] hardirqs last enabled at (69075): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5130 hardirqs last disabled at (69076): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (69068): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (69068): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (65987): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---