BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
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WARNING: CPU: 1 PID: 5515 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x1024/0x15a0 fs/btrfs/volumes.c:3253
Modules linked in:
CPU: 1 PID: 5515 Comm: syz.1.236 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_remove_chunk+0x1024/0x15a0 fs/btrfs/volumes.c:3253
lr : btrfs_remove_chunk+0x1024/0x15a0 fs/btrfs/volumes.c:3253
sp : ffff80001fad7720
x29: ffff80001fad7880 x28: ffff0000e872a630 x27: ffff80001fad77c0
x26: dfff800000000000 x25: ffffffffffffffe4 x24: ffff0000e872a67c
x23: 0000000000690000 x22: ffff0000e8d9bb00 x21: 0000000000f00000
x20: 00000000ffffffe4 x19: ffff0000e872a688 x18: 0000000000000001
x17: 0000000000000002 x16: ffff8000111a3970 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000080000
x11: 000000000007e05e x10: ffff80002092a000 x9 : e26591e292b18000
x8 : e26591e292b18000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fad7018 x4 : ffff80001422f280 x3 : ffff800008503848
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026
Call trace:
 btrfs_remove_chunk+0x1024/0x15a0 fs/btrfs/volumes.c:3253
 btrfs_relocate_chunk+0x1d0/0x280 fs/btrfs/volumes.c:3370
 __btrfs_balance+0x1170/0x1ba4 fs/btrfs/volumes.c:4073
 btrfs_balance+0xac4/0x1138 fs/btrfs/volumes.c:4463
 btrfs_ioctl_balance+0x4cc/0x658 fs/btrfs/ioctl.c:4152
 btrfs_ioctl+0x8d0/0xb38 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+0x78/0x1e0 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: 85972
hardirqs last  enabled at (85971): [<ffff8000082f7640>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (85972): [<ffff80001119f244>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (84388): [<ffff80000819d0d8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (84388): [<ffff80000819d0d8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586
softirqs last disabled at (84373): [<ffff80000819d6dc>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (84373): [<ffff80000819d6dc>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (84373): [<ffff80000819d6dc>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (84373): [<ffff80000819d6dc>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641
---[ end trace 3399c8adc08732d1 ]---
BTRFS: error (device loop1) in btrfs_remove_chunk:3253: errno=-28 No space left
BTRFS info (device loop1): forced readonly
BTRFS info (device loop1): 1 enospc errors during balance
BTRFS info (device loop1): balance: ended with status: -30