assertion failed: fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED, in fs/btrfs/ioctl.c:463 ------------[ cut here ]------------ kernel BUG at fs/btrfs/messages.c:259! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19778 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-13225-g7163a2111f6c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 2c 05 36 f7 e9 50 fb ff ff e8 b2 90 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 80 32 2c 8b e8 c8 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 73 31 de f6 48 RSP: 0000:ffffc90010d7fe48 EFLAGS: 00010246 RAX: 0000000000000066 RBX: 1ffff110081f2c18 RCX: 34626dc4d67efd00 RDX: ffffc9000c3fe000 RSI: 0000000000004db5 RDI: 0000000000004db6 RBP: 0000000000000002 R08: ffffffff816f0fec R09: fffff520021aff41 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888040f960c0 R13: ffff888040f94000 R14: ffff888040f94678 R15: dffffc0000000000 FS: 00007fa284be2700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21aec7796e CR3: 000000007527b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_exclop_balance+0x153/0x1f0 fs/btrfs/ioctl.c:463 btrfs_ioctl_balance+0x482/0x7c0 fs/btrfs/ioctl.c:3562 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: 0033:0x7fa283e8c169 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:00007fa284be2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa283fac050 RCX: 00007fa283e8c169 RDX: 0000000020000540 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007fa283ee7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffded41649f R14: 00007fa284be2300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 2c 05 36 f7 e9 50 fb ff ff e8 b2 90 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 80 32 2c 8b e8 c8 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 73 31 de f6 48 RSP: 0000:ffffc90010d7fe48 EFLAGS: 00010246 RAX: 0000000000000066 RBX: 1ffff110081f2c18 RCX: 34626dc4d67efd00 RDX: ffffc9000c3fe000 RSI: 0000000000004db5 RDI: 0000000000004db6 RBP: 0000000000000002 R08: ffffffff816f0fec R09: fffff520021aff41 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888040f960c0 R13: ffff888040f94000 R14: ffff888040f94678 R15: dffffc0000000000 FS: 00007fa284be2700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21aec7796e CR3: 000000007527b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400