BTRFS info (device loop0): balance: start -susage=34359738372,drange=7..526332,limit=0..6 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 8227 at fs/btrfs/block-group.c:2789 btrfs_create_pending_block_groups+0x1150/0x1780 fs/btrfs/block-group.c:2789 Modules linked in: CPU: 1 UID: 0 PID: 8227 Comm: syz.0.524 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:btrfs_create_pending_block_groups+0x1150/0x1780 fs/btrfs/block-group.c:2789 Code: 00 e8 44 be ba fd 84 c0 74 29 e8 4b 0c d4 fd e9 fd 01 00 00 e8 41 0c d4 fd 90 48 c7 c7 60 f4 cf 8b 44 89 f6 e8 31 ab 97 fd 90 <0f> 0b 90 90 e9 e5 fd ff ff e8 d2 df 8d 07 41 89 c7 31 ff 89 c6 e8 RSP: 0018:ffffc9000b6a76e0 EFLAGS: 00010246 RAX: 511d250bb6738c00 RBX: ffff888084e30001 RCX: 0000000000080000 RDX: ffffc9000c44a000 RSI: 0000000000013819 RDI: 000000000001381a RBP: ffffc9000b6a7948 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff8880314a7800 FS: 00007f49c19f06c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32c11ff8 CR3: 000000007591f000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1071 btrfs_inc_block_group_ro+0x641/0x6f0 fs/btrfs/block-group.c:3085 btrfs_relocate_block_group+0x3f1/0xc60 fs/btrfs/relocation.c:3950 btrfs_relocate_chunk+0x12f/0x5c0 fs/btrfs/volumes.c:3446 __btrfs_balance+0x1860/0x23f0 fs/btrfs/volumes.c:4222 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4599 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: 0033:0x7f49c0b8ebe9 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:00007f49c19f0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f49c0db5fa0 RCX: 00007f49c0b8ebe9 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000007 RBP: 00007f49c0c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f49c0db6038 R14: 00007f49c0db5fa0 R15: 00007ffc24dbb368