el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4375 at fs/btrfs/qgroup.c:1009 btrfs_quota_enable+0x1100/0x1904 fs/btrfs/qgroup.c:1009
Modules linked in:
CPU: 0 PID: 4375 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : btrfs_quota_enable+0x1100/0x1904 fs/btrfs/qgroup.c:1009
lr : btrfs_quota_enable+0x1100/0x1904 fs/btrfs/qgroup.c:1009
sp : ffff80001fc67ae0
x29: ffff80001fc67c40 x28: 0000000000001798 x27: ffff0000de5900b0
x26: dfff800000000000 x25: fffffffffffffff4 x24: ffff0000c12cc000
x23: ffff0000ca63e000 x22: ffff700003f8cf6c x21: 1fffe0001bcb2021
x20: ffff0000de590108 x19: ffff0000d56a4000 x18: 0000000000000002
x17: 0000000040000000 x16: ffff80001134e478 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe000341cebab x12: 0000000000000000
x11: ff8080000830061c x10: 0000000000000000 x9 : 30d2ab3431ed2c00
x8 : 30d2ab3431ed2c00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850f688
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_quota_enable+0x1100/0x1904 fs/btrfs/qgroup.c:1009
 btrfs_ioctl_quota_ctl+0x13c/0x180 fs/btrfs/ioctl.c:4243
 btrfs_ioctl+0x96c/0xa8c fs/btrfs/ioctl.c:5032
 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+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 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: 81192
hardirqs last  enabled at (81191): [<ffff80000824bb00>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (81191): [<ffff80000824bb00>] finish_lock_switch+0xb0/0x1c8 kernel/sched/core.c:4803
hardirqs last disabled at (81192): [<ffff800011349e40>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (81164): [<ffff8000081a2b70>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (81164): [<ffff8000081a2b70>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (81143): [<ffff8000081a3178>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (81143): [<ffff8000081a3178>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (81143): [<ffff8000081a3178>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (81143): [<ffff8000081a3178>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace ddfcf5910ad65cf1 ]---
BTRFS: error (device loop0) in btrfs_quota_enable:1009: errno=-12 Out of memory
BTRFS info (device loop0): forced readonly