syzbot


WARNING in kthread_bind_mask

Status: upstream: reported on 2022/02/20 18:27
Reported-by: syzbot+087b7effddeec0697c66@syzkaller.appspotmail.com
First crash: 229d, last: 11h14m

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8651 at kernel/kthread.c:524 __kthread_bind_mask kernel/kthread.c:524 [inline]
WARNING: CPU: 1 PID: 8651 at kernel/kthread.c:524 kthread_bind_mask+0x35/0xc0 kernel/kthread.c:542
Modules linked in:
CPU: 1 PID: 8651 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:__kthread_bind_mask kernel/kthread.c:524 [inline]
RIP: 0010:kthread_bind_mask+0x35/0xc0 kernel/kthread.c:542
Code: fb e8 2f 99 2b 00 be 02 00 00 00 48 89 df e8 b2 fb 03 00 31 ff 48 89 c5 48 89 c6 e8 f5 95 2b 00 48 85 ed 75 12 e8 0b 99 2b 00 <0f> 0b 5b 5d 41 5c 41 5d e9 fe 98 2b 00 e8 f9 98 2b 00 4c 8d ab 98
RSP: 0018:ffffc90003157bd0 EFLAGS: 00010212
RAX: 0000000000001b21 RBX: ffff888074069d80 RCX: ffffc90003941000
RDX: 0000000000040000 RSI: ffffffff81506f15 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8ddee6d8
R13: ffff888145451040 R14: ffff888077c81820 R15: ffff888077c81960
FS:  00007f1d25c00700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dd25ad0b0 CR3: 000000001c05f000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 init_rescuer kernel/workqueue.c:4280 [inline]
 init_rescuer+0x141/0x1d0 kernel/workqueue.c:4259
 alloc_workqueue+0xcd4/0x1100 kernel/workqueue.c:4347
 kvm_mmu_init_tdp_mmu+0x8e/0x230 arch/x86/kvm/mmu/tdp_mmu.c:24
 kvm_mmu_init_vm+0x128/0x350 arch/x86/kvm/mmu/mmu.c:5965
 kvm_arch_init_vm+0x64/0x720 arch/x86/kvm/x86.c:12079
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1203 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4912 [inline]
 kvm_dev_ioctl+0xb15/0x1cf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4954
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1d24a8a5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f1d25c00168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1d24babf80 RCX: 00007f1d24a8a5a9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007f1d24ae5580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d250dfb1f R14: 00007f1d25c00300 R15: 0000000000022000
 </TASK>

Crashes (34):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/10/03 09:06 upstream a962b54e162c feb56351 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/09/23 23:37 upstream 1707c39ae309 0042f2b4 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-smack-root 2022/09/08 07:38 upstream 0066f1b0e275 435aeef7 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/09/02 15:42 upstream 42e66b1cc3a0 25194605 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/08/26 00:27 upstream 3f5c20055a64 9b5bf4cd .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/08/17 08:59 upstream 7ebfc85e2cd7 4e72d229 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/08/10 17:15 upstream 200e340f2196 a6201f11 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/08/02 07:30 upstream 9de1f9c8ca51 fef302b1 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/30 12:39 upstream e65c6a46df94 fef302b1 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/07/28 16:44 upstream 6e7765cb477a fb95c74d .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/27 02:35 upstream 5de64d44968e 279b89c2 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/26 18:00 upstream 5de64d44968e 279b89c2 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/17 07:38 upstream 972a278fe60c 95cb00d1 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/07/15 15:25 upstream e5d523f1ae8f 5d921b08 .config log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/07/08 21:08 upstream a471da3100ef b5765a15 .config log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/07/02 04:26 upstream 1ce8c443e956 1434eec0 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/16 16:04 upstream 30306f6194ca 1719ee24 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/03 07:41 upstream 50fd82b3a9a9 02dddea8 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/02 11:06 upstream d1dc87763f40 5783034f .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/05/31 06:22 upstream 2c5ca23f7414 af70c3a9 .config log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/05/24 12:45 upstream 143a6252e1b8 fcfad4ff .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/05/22 13:00 upstream eaea45fc0e7b 7268fa62 .config log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/05/12 13:24 upstream feb9c5e19e91 9ad6612a .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/30 07:11 upstream 8013d1d3d2e3 ad6b95d8 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/22 23:59 upstream d569e86915b7 131df97d .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/18 20:13 upstream b2d229d4ddb1 8bcc32a6 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/17 15:13 upstream a2c29ccd9477 8bcc32a6 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/04 14:06 upstream 312310928417 5915c2cb .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/02/16 18:25 upstream c5d9ae265b10 8b9ca619 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/09/01 03:21 upstream c5e4d5e99162 b01ec571 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/07/30 11:45 upstream e65c6a46df94 fef302b1 .config log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/06/23 09:50 upstream 3abc3ae553c7 912f5df7 .config log report info WARNING in kthread_bind_mask
ci-upstream-linux-next-kasan-gce-root 2022/05/11 02:32 linux-next 38a288f5941e 8d7b3b67 .config log report info WARNING in kthread_bind_mask
ci-upstream-linux-next-kasan-gce-root 2022/03/27 19:16 linux-next fd4fbb998102 89bc8608 .config log report info WARNING in kthread_bind_mask
* Struck through repros no longer work on HEAD.