BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
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WARNING: CPU: 1 PID: 4860 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253
Modules linked in:
CPU: 1 PID: 4860 Comm: syz.0.184 Not tainted 5.15.178-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_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253
lr : btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253
sp : ffff8000206276a0
x29: ffff800020627820 x28: ffff0000dbff1c08 x27: ffff0000dbff1bb0
x26: ffffffffffffffe4 x25: dfff800000000000 x24: ffff0000d273d5b0
x23: ffff7000040c4eec x22: 1fffe0001cddd9e0 x21: ffff0000e6eecf00
x20: ffff0000dbff1bfc x19: 00000000ffffffe4 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800011b4e3fc x15: 00000000ffffffff
x14: ffff0000c1eb9b40 x13: 0000000000000001 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800021cf9000 x9 : f04564782bab7e00
x8 : f04564782bab7e00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020626e18 x4 : ffff800014c50660 x3 : ffff8000085568c0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_remove_chunk+0x11d8/0x1754 fs/btrfs/volumes.c:3253
 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3370
 __btrfs_balance+0x1214/0x1e20 fs/btrfs/volumes.c:4073
 btrfs_balance+0xaa8/0x111c fs/btrfs/volumes.c:4463
 btrfs_ioctl_balance+0x50c/0x7b4 fs/btrfs/ioctl.c:4152
 btrfs_ioctl+0x8d4/0xa5c 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+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: 87276
hardirqs last  enabled at (87275): [<ffff80000832c1b4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (87276): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (87254): [<ffff8000081b6920>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (87254): [<ffff8000081b6920>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (87239): [<ffff8000081b6fb8>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (87239): [<ffff8000081b6fb8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (87239): [<ffff8000081b6fb8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (87239): [<ffff8000081b6fb8>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 489adfe3055016cd ]---
BTRFS: error (device loop0) in btrfs_remove_chunk:3253: errno=-28 No space left
BTRFS info (device loop0): forced readonly
BTRFS info (device loop0): 1 enospc errors during balance
BTRFS info (device loop0): balance: ended with status: -30