assertion failed: fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE || fs_info->exclusive_operation == BTRFS_EXCLOP_DEV_ADD, in fs/btrfs/ioctl.c:457 ------------[ cut here ]------------ kernel BUG at fs/btrfs/messages.c:259! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16819 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 0c 2d 3c f7 e9 50 fb ff ff e8 e2 7e 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 20 16 2c 8b e8 38 62 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 03 f4 e6 f6 48 RSP: 0018:ffffc900160ffea0 EFLAGS: 00010246 RAX: 0000000000000097 RBX: 00000000fffffffe RCX: 55f5a03666fff500 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff816efb3c R09: fffff52002c1ff8d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000003 R14: ffff88802bb18680 R15: 1ffff1100576341a FS: 00007f8e2785e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcedc985058 CR3: 000000002a800000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_exclop_balance fs/btrfs/ioctl.c:456 [inline] btrfs_ioctl_add_dev+0x347/0x480 fs/btrfs/ioctl.c:2660 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: 0033:0x7f8e26a8c0f9 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:00007f8e2785e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8e26bac050 RCX: 00007f8e26a8c0f9 RDX: 0000000020001140 RSI: 000000005000940a RDI: 0000000000000004 RBP: 00007f8e26ae7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7431c4af R14: 00007f8e2785e300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259 Code: df e8 0c 2d 3c f7 e9 50 fb ff ff e8 e2 7e 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 20 16 2c 8b e8 38 62 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 03 f4 e6 f6 48 RSP: 0018:ffffc900160ffea0 EFLAGS: 00010246 RAX: 0000000000000097 RBX: 00000000fffffffe RCX: 55f5a03666fff500 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff816efb3c R09: fffff52002c1ff8d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000003 R14: ffff88802bb18680 R15: 1ffff1100576341a FS: 00007f8e2785e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcedc985058 CR3: 000000002a800000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400