BTRFS info (device loop4): balance: start -d -m ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 11858 at fs/btrfs/block-group.c:3748 do_chunk_alloc fs/btrfs/block-group.c:3748 [inline] WARNING: CPU: 1 PID: 11858 at fs/btrfs/block-group.c:3748 btrfs_chunk_alloc+0xe5a/0x1010 fs/btrfs/block-group.c:3990 Modules linked in: CPU: 1 PID: 11858 Comm: syz-executor.4 Not tainted 6.4.0-rc3-syzkaller-00032-g933174ae28ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3748 [inline] RIP: 0010:btrfs_chunk_alloc+0xe5a/0x1010 fs/btrfs/block-group.c:3990 Code: fd 48 c7 c7 00 0d 2c 8b 44 89 e6 e8 80 c1 a6 fd 0f 0b e9 fb fd ff ff e8 04 3f df fd 48 c7 c7 00 0d 2c 8b 89 ee e8 66 c1 a6 fd <0f> 0b e9 06 fe ff ff e8 ea 3e df fd 48 c7 c7 00 0d 2c 8b 44 89 e6 RSP: 0018:ffffc9001673f918 EFLAGS: 00010246 RAX: 911d916961997b00 RBX: ffff88802b67c001 RCX: ffff888084051dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffe4 R08: ffffffff815301a2 R09: ffffed1017325163 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807664d800 R13: dffffc0000000000 R14: ffff888028bf9000 R15: 0000000000000000 FS: 00007f1d1c1f8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0727c11000 CR3: 00000000766da000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_inc_block_group_ro+0x31a/0x5a0 fs/btrfs/block-group.c:2826 btrfs_relocate_block_group+0x43b/0xd70 fs/btrfs/relocation.c:4039 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3276 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4011 btrfs_balance+0xbdb/0x1120 fs/btrfs/volumes.c:4395 btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3599 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1d1b48c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1d1c1f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1d1b5abf80 RCX: 00007f1d1b48c169 RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000009 RBP: 00007f1d1b4e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff687fac6f R14: 00007f1d1c1f8300 R15: 0000000000022000