------------[ cut here ]------------ kernel BUG at fs/btrfs/volumes.c:4642! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5527 Comm: syz-executor.3 Not tainted 6.5.0-rc4-syzkaller #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 80 fa 4a 8b e8 2d 17 24 07 e9 ef fe ff ff e8 93 ab 25 07 e8 2e f2 f4 fd 0f 0b e8 27 f2 f4 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:ffffc90007abfdc0 EFLAGS: 00010287 RAX: ffffffff8396b559 RBX: ffff88801f9fc010 RCX: 0000000000040000 RDX: ffffc90007459000 RSI: 0000000000000b23 RDI: 0000000000000b24 RBP: ffffc90007abfed0 R08: ffff88801f9fd3d3 R09: 1ffff11003f3fa7a R10: dffffc0000000000 R11: ffffed1003f3fa7b R12: 1ffff92000f57fc0 R13: ffff88801f9fd468 R14: dffffc0000000000 R15: ffff88801f9fd460 FS: 00007f37493266c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005618c1c1ec28 CR3: 0000000018374000 CR4: 00000000003506f0 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: 0033:0x7f374867cae9 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:00007f37493260c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f374879c050 RCX: 00007f374867cae9 RDX: 0000000000000002 RSI: 0000000040049421 RDI: 0000000000000005 RBP: 00007f37486c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f374879c050 R15: 00007fff0d31c358 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 80 fa 4a 8b e8 2d 17 24 07 e9 ef fe ff ff e8 93 ab 25 07 e8 2e f2 f4 fd 0f 0b e8 27 f2 f4 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:ffffc90007abfdc0 EFLAGS: 00010287 RAX: ffffffff8396b559 RBX: ffff88801f9fc010 RCX: 0000000000040000 RDX: ffffc90007459000 RSI: 0000000000000b23 RDI: 0000000000000b24 RBP: ffffc90007abfed0 R08: ffff88801f9fd3d3 R09: 1ffff11003f3fa7a R10: dffffc0000000000 R11: ffffed1003f3fa7b R12: 1ffff92000f57fc0 R13: ffff88801f9fd468 R14: dffffc0000000000 R15: ffff88801f9fd460 FS: 00007f37493266c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556e44938 CR3: 0000000018374000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400