------------[ cut here ]------------ WARNING: CPU: 0 PID: 9278 at kernel/kthread.c:515 __kthread_bind_mask kernel/kthread.c:515 [inline] WARNING: CPU: 0 PID: 9278 at kernel/kthread.c:515 kthread_bind_mask+0x39/0xc0 kernel/kthread.c:533 Modules linked in: CPU: 0 PID: 9278 Comm: syz-executor.3 Not tainted 6.4.0-syzkaller-01371-g04fc8904d5d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:__kthread_bind_mask kernel/kthread.c:515 [inline] RIP: 0010:kthread_bind_mask+0x39/0xc0 kernel/kthread.c:533 Code: fb e8 3b da 2e 00 be 02 00 00 00 48 89 df e8 de f1 03 00 31 ff 48 89 c5 48 89 c6 e8 61 d6 2e 00 48 85 ed 75 12 e8 17 da 2e 00 <0f> 0b 5b 5d 41 5c 41 5d e9 0a da 2e 00 e8 05 da 2e 00 4c 8d ab e8 RSP: 0018:ffffc90016207b80 EFLAGS: 00010216 RAX: 000000000000244f RBX: ffff88801b631dc0 RCX: ffffc9000d995000 RDX: 0000000000040000 RSI: ffffffff81559629 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000094001 R12: ffffffff8e7b0218 R13: ffff8880767fc960 R14: ffff88801774b240 R15: ffff8880767fc820 FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7f18b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002b71c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: init_rescuer.part.0+0xf5/0x1a0 kernel/workqueue.c:4418 init_rescuer kernel/workqueue.c:4397 [inline] alloc_workqueue+0xd7a/0x1110 kernel/workqueue.c:4485 kvm_mmu_init_tdp_mmu+0x23/0x100 arch/x86/kvm/mmu/tdp_mmu.c:19 kvm_mmu_init_vm+0x150/0x360 arch/x86/kvm/mmu/mmu.c:6205 kvm_arch_init_vm+0x6c/0x750 arch/x86/kvm/x86.c:12285 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1214 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5039 [inline] kvm_dev_ioctl+0xa31/0x1c20 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5081 __do_compat_sys_ioctl+0x25b/0x2b0 fs/ioctl.c:968 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f3e579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f185cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae01 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 retq 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi