------------[ cut here ]------------ WARNING: CPU: 1 PID: 6960 at fs/btrfs/qgroup.c:1042 btrfs_quota_enable+0x14a0/0x1a68 fs/btrfs/qgroup.c:1042 Modules linked in: CPU: 1 PID: 6960 Comm: syz.6.457 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_quota_enable+0x14a0/0x1a68 fs/btrfs/qgroup.c:1042 lr : btrfs_quota_enable+0x14a0/0x1a68 fs/btrfs/qgroup.c:1042 sp : ffff800021577a80 x29: ffff800021577c30 x28: 00000000000017d8 x27: ffff800021577b70 x26: dfff800000000000 x25: ffff0000e292e498 x24: ffffffffffffffe4 x23: 1fffe0001c525c9d x22: ffff7000042aef60 x21: ffff0000e292e4e8 x20: 0000000000000000 x19: ffff0000f36b8000 x18: ffff800011abbcc0 x17: 0000000000000000 x16: ffff8000082d25b8 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000000f77d x10: ffff80002a42f000 x9 : cd1f360b8ed37b00 x8 : cd1f360b8ed37b00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021577518 x4 : ffff8000151a4920 x3 : ffff80000852e428 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: btrfs_quota_enable+0x14a0/0x1a68 fs/btrfs/qgroup.c:1042 btrfs_ioctl_quota_ctl+0x13c/0x180 fs/btrfs/ioctl.c:4621 btrfs_ioctl+0x9f0/0xbd0 fs/btrfs/ioctl.c:5590 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 158 hardirqs last enabled at (157): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (158): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop6: state EA): dumping space info: BTRFS info (device loop6: state EA): space_info DATA+METADATA has 1638400 free, is full BTRFS info (device loop6: state EA): space_info total=3276800, used=61440, pinned=0, reserved=0, may_use=1576960, readonly=0 zone_unusable=0 BTRFS info (device loop6: state EA): space_info SYSTEM has 8155136 free, is not full BTRFS info (device loop6: state EA): space_info total=12451840, used=4096, pinned=0, reserved=4096, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop6: state EA): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop6: state EA): trans_block_rsv: size 131072 reserved 131072 BTRFS info (device loop6: state EA): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop6: state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop6: state EA): delayed_refs_rsv: size 393216 reserved 4096 BTRFS: error (device loop6: state EA) in btrfs_quota_enable:1042: errno=-28 No space left