el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BTRFS error (device loop0): failed to run delayed ref for logical 30408704 num_bytes 16384 type 176 action 1 ref_mod 1: -12
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4992 at fs/btrfs/extent-tree.c:2158 btrfs_run_delayed_refs+0x3f4/0x46c fs/btrfs/extent-tree.c:2158
Modules linked in:
CPU: 0 PID: 4992 Comm: syz.0.15 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_run_delayed_refs+0x3f4/0x46c fs/btrfs/extent-tree.c:2158
lr : btrfs_run_delayed_refs+0x3f4/0x46c fs/btrfs/extent-tree.c:2158
sp : ffff80001fee7670
x29: ffff80001fee7680 x28: ffff0000d187d000 x27: dfff800000000000
x26: ffff0000d187d024 x25: ffff0000e470c000 x24: 1fffe0001ba8fc21
x23: 1fffe0001ba8fc21 x22: ffff0000dd47e108 x21: 00000000fffffff4
x20: 0000000000010051 x19: ffff0000dd47e0b0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 888e49b5d5ead200
x8 : 888e49b5d5ead200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fee6f58 x4 : ffff80001422f280 x3 : ffff800008503848
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_run_delayed_refs+0x3f4/0x46c fs/btrfs/extent-tree.c:2158
 btrfs_commit_transaction+0x1b8/0x3044 fs/btrfs/transaction.c:2168
 insert_balance_item+0x810/0x1118 fs/btrfs/volumes.c:3550
 btrfs_balance+0x8e4/0x1138 fs/btrfs/volumes.c:4441
 btrfs_ioctl_balance+0x4cc/0x658 fs/btrfs/ioctl.c:4152
 btrfs_ioctl+0x8d0/0xb38 fs/btrfs/ioctl.c:5012
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 614500
hardirqs last  enabled at (614499): [<ffff8000082f7640>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (614500): [<ffff80001119f244>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (614460): [<ffff80000819d0d8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (614460): [<ffff80000819d0d8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586
softirqs last disabled at (614331): [<ffff80000819d6dc>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (614331): [<ffff80000819d6dc>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (614331): [<ffff80000819d6dc>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (614331): [<ffff80000819d6dc>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641
---[ end trace 2b4f0ed9d9a983de ]---
BTRFS: error (device loop0) in btrfs_run_delayed_refs:2158: errno=-12 Out of memory
BTRFS info (device loop0): forced readonly