------------[ cut here ]------------ btrfs_abort_should_print_stack(__error) WARNING: fs/btrfs/volumes.c:3526 at btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3526, CPU#0: syz.1.617/11793 Modules linked in: CPU: 0 UID: 0 PID: 11793 Comm: syz.1.617 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3526 Code: 24 fb 74 12 83 3c 24 f4 75 1a e8 f0 52 ce fd eb 1c e8 c9 8b 2a 07 e8 e4 52 ce fd eb 10 e8 dd 52 ce fd eb 09 e8 d6 52 ce fd 90 <0f> 0b 90 48 8b 04 24 89 c1 f7 d9 e9 43 fc ff ff 44 89 f1 80 e1 07 RSP: 0018:ffffc900074f7960 EFLAGS: 00010283 RAX: ffffffff83f6a85a RBX: ffffffffffffffe4 RCX: 0000000000080000 RDX: ffffc90018bf0000 RSI: 0000000000028636 RDI: 0000000000028637 RBP: ffffc900074f7a98 R08: ffff88801206dd00 R09: 0000000000000003 R10: 0000000000000100 R11: 00000000fffffffb R12: 1ffff92000e9ef3c R13: ffff88805e294000 R14: ffff88805e294001 R15: dffffc0000000000 FS: 00007f32fcc9e6c0(0000) GS:ffff888126144000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3fe4eb286 CR3: 000000005bd5e000 CR4: 00000000003526f0 Call Trace: btrfs_relocate_chunk_finish fs/btrfs/volumes.c:3614 [inline] btrfs_relocate_chunk+0x3f1/0x830 fs/btrfs/volumes.c:3668 __btrfs_balance+0x1b6e/0x29e0 fs/btrfs/volumes.c:4586 btrfs_balance+0xaa6/0x1180 fs/btrfs/volumes.c:4973 btrfs_ioctl_balance+0x3dd/0x640 fs/btrfs/ioctl.c:3474 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f32fea4ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f32fcc9e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f32fecc5fa0 RCX: 00007f32fea4ce59 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000004 RBP: 00007f32feae2e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f32fecc6038 R14: 00007f32fecc5fa0 R15: 00007ffdc7bf7d78