------------[ cut here ]------------ kernel BUG at fs/btrfs/volumes.c:4642! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5160 Comm: syz-executor.1 Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:btrfs_cancel_balance+0x429/0x430 fs/btrfs/volumes.c:4641 Code: e8 1c 31 01 00 4c 89 ef 48 c7 c6 00 fd 4a 8b e8 ad 1a 24 07 e9 ef fe ff ff e8 a3 af 25 07 e8 3e 04 f5 fd 0f 0b e8 37 04 f5 fd <0f> 0b 0f 1f 44 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 RSP: 0018:ffffc90004b7fdc0 EFLAGS: 00010293 RAX: ffffffff839711d9 RBX: ffff888063844010 RCX: ffff888079498000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc90004b7fed0 R08: ffff8880638453d3 R09: 1ffff1100c708a7a R10: dffffc0000000000 R11: ffffed100c708a7b R12: 1ffff9200096ffc0 R13: ffff888063845468 R14: dffffc0000000000 R15: ffff888063845460 FS: 00007fab7440b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c1abfe000 CR3: 000000007aa05000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_ioctl_balance_ctl+0x3f/0x70 fs/btrfs/ioctl.c:3632 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf8/0x170 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: 0033:0x7fab7367cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fab7440b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fab7379c120 RCX: 00007fab7367cb29 RDX: 0000000000000002 RSI: 0000000040049421 RDI: 0000000000000006 RBP: 00007fab736c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fab7379c120 R15: 00007ffcf21c7038 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btrfs_cancel_balance+0x429/0x430 fs/btrfs/volumes.c:4641 Code: e8 1c 31 01 00 4c 89 ef 48 c7 c6 00 fd 4a 8b e8 ad 1a 24 07 e9 ef fe ff ff e8 a3 af 25 07 e8 3e 04 f5 fd 0f 0b e8 37 04 f5 fd <0f> 0b 0f 1f 44 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 RSP: 0018:ffffc90004b7fdc0 EFLAGS: 00010293 RAX: ffffffff839711d9 RBX: ffff888063844010 RCX: ffff888079498000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc90004b7fed0 R08: ffff8880638453d3 R09: 1ffff1100c708a7a R10: dffffc0000000000 R11: ffffed100c708a7b R12: 1ffff9200096ffc0 R13: ffff888063845468 R14: dffffc0000000000 R15: ffff888063845460 FS: 00007fab7440b6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c22cd71e5 CR3: 000000007aa05000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400