el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
BTRFS error (device loop0): failed to run delayed ref for logical 5242880 num_bytes 4096 type 176 action 1 ref_mod 1: -12
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4946 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3e4/0x458 fs/btrfs/extent-tree.c:2173
Modules linked in:
CPU: 1 PID: 4946 Comm: syz.0.15 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_run_delayed_refs+0x3e4/0x458 fs/btrfs/extent-tree.c:2173
lr : btrfs_run_delayed_refs+0x3e4/0x458 fs/btrfs/extent-tree.c:2173
sp : ffff80001fd977d0
x29: ffff80001fd977e0 x28: ffff0000cea4a000 x27: dfff800000000000
x26: ffff0000cea4a024 x25: ffff0000d4b10000 x24: 1fffe0001bcb5a21
x23: 1fffe0001bcb5a21 x22: ffff0000de5ad108 x21: 00000000fffffff4
x20: 0000000000000051 x19: ffff0000de5ad0b0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff
x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 9f6410f3df8ddb00
x8 : 9f6410f3df8ddb00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fd970d8 x4 : ffff80001437f3e0 x3 : ffff800008509220
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_run_delayed_refs+0x3e4/0x458 fs/btrfs/extent-tree.c:2173
 btrfs_commit_transaction+0x1e0/0x3078 fs/btrfs/transaction.c:2169
 btrfs_ioctl_set_fslabel+0x2f8/0x3d0 fs/btrfs/ioctl.c:4705
 btrfs_ioctl+0x50c/0xa8c fs/btrfs/ioctl.c:4932
 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+0x98/0x2b0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: 81250
hardirqs last  enabled at (81249): [<ffff8000082fb524>] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257
hardirqs last disabled at (81250): [<ffff80001125a9e8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (81210): [<ffff80000819fb9c>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (81210): [<ffff80000819fb9c>] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604
softirqs last disabled at (81131): [<ffff8000081a01a0>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (81131): [<ffff8000081a01a0>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (81131): [<ffff8000081a01a0>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (81131): [<ffff8000081a01a0>] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659
---[ end trace 28ba6f7054f9b119 ]---
BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory
BTRFS info (device loop0): forced readonly