BTRFS info (device loop5): 0 free space entries at or bigger than 4096 bytes BTRFS info (device loop5): 4194304 bytes available across all block groups ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 20395 at fs/btrfs/volumes.c:3365 btrfs_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3365 Modules linked in: CPU: 0 UID: 0 PID: 20395 Comm: syz.5.3986 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:btrfs_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3365 Code: d3 fd 84 c0 0f 84 6e 01 00 00 e8 2f 4d ed fd e9 c6 03 00 00 e8 25 4d ed fd 90 48 c7 c7 60 70 ce 8b 44 89 ee e8 75 e8 b0 fd 90 <0f> 0b 90 90 e9 fa f7 ff ff e8 06 4d ed fd eb 05 e8 ff 4c ed fd e8 RSP: 0018:ffffc9000481f8c0 EFLAGS: 00010246 RAX: 2f8d595e94a79400 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90010e2c000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000481fab0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: dffffc0000000000 R13: ffffffffffffffe4 R14: ffff88804592c001 R15: ffff88805290c128 FS: 00007f1d6d3e86c0(0000) GS:ffff888125c15000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000005eaf0000 CR4: 0000000000350ef0 Call Trace: btrfs_relocate_chunk+0x29b/0x5c0 fs/btrfs/volumes.c:3496 __btrfs_balance+0x1860/0x23f0 fs/btrfs/volumes.c:4227 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4604 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3577 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d6c58eba9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1d6d3e8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1d6c7d5fa0 RCX: 00007f1d6c58eba9 RDX: 0000200000000200 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007f1d6c611e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1d6c7d6038 R14: 00007f1d6c7d5fa0 R15: 00007ffdd567a948