el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5113 at fs/btrfs/extent-tree.c:2158 btrfs_run_delayed_refs+0x408/0x47c fs/btrfs/extent-tree.c:2158
Modules linked in:
CPU: 1 PID: 5113 Comm: syz.1.171 Not tainted 5.15.180-syzkaller #0
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 : btrfs_run_delayed_refs+0x408/0x47c fs/btrfs/extent-tree.c:2158
lr : btrfs_run_delayed_refs+0x408/0x47c fs/btrfs/extent-tree.c:2158
sp : ffff8000213e7530
x29: ffff8000213e7540 x28: dfff800000000000 x27: ffff0000e74ac024
x26: 00000000fffffff4 x25: ffff0000e8b3de18 x24: 1fffe0001d167bc3
x23: ffff0000e8b3de18 x22: 0000000000000000 x21: 000000000000000f
x20: ffff0000e74ac000 x19: ffff0000e8b3ddc0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b616c4 x15: 00000000ffffffff
x14: ffff0000c21e9b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 620dd3ee69d9b400
x8 : 620dd3ee69d9b400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000213e6c98 x4 : ffff800014c5fe40 x3 : ffff800008559804
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_run_delayed_refs+0x408/0x47c fs/btrfs/extent-tree.c:2158
 btrfs_commit_transaction+0x1b8/0x30f0 fs/btrfs/transaction.c:2168
 btrfs_sync_fs+0x678/0xc94 fs/btrfs/super.c:1454
 sync_filesystem+0x1a0/0x218 fs/sync.c:66
 btrfs_remount+0x198/0x130c fs/btrfs/super.c:1928
 legacy_reconfigure+0xfc/0x114 fs/fs_context.c:634
 reconfigure_super+0x1d0/0x6ec fs/super.c:938
 do_remount fs/namespace.c:2668 [inline]
 path_mount+0xbec/0x101c fs/namespace.c:3334
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount fs/namespace.c:3540 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540
 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 98290
hardirqs last  enabled at (98289): [<ffff80000832ca28>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (98290): [<ffff800011b5cd78>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (98266): [<ffff8000081b70b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (98266): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (97995): [<ffff8000081b7750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (97995): [<ffff8000081b7750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (97995): [<ffff8000081b7750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (97995): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 93a360680ded96cc ]---
BTRFS: error (device loop1) in btrfs_run_delayed_refs:2158: errno=-12 Out of memory
BTRFS info (device loop1): forced readonly
BTRFS error (device loop1): Remounting read-write after error is not allowed