syzbot


WARNING in kthread_bind_mask

Status: upstream: reported on 2022/02/20 18:27
Reported-by: syzbot+087b7effddeec0697c66@syzkaller.appspotmail.com
First crash: 349d, last: 3d10h

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 26310 at kernel/kthread.c:524 __kthread_bind_mask kernel/kthread.c:524 [inline]
WARNING: CPU: 0 PID: 26310 at kernel/kthread.c:524 kthread_bind_mask+0x39/0xc0 kernel/kthread.c:542
Modules linked in:
CPU: 1 PID: 26310 Comm: syz-executor.1 Not tainted 6.2.0-rc5-syzkaller-00205-gc96618275234 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:__kthread_bind_mask kernel/kthread.c:524 [inline]
RIP: 0010:kthread_bind_mask+0x39/0xc0 kernel/kthread.c:542
Code: fb e8 cb 09 2d 00 be 02 00 00 00 48 89 df e8 ee 4a 04 00 31 ff 48 89 c5 48 89 c6 e8 81 06 2d 00 48 85 ed 75 12 e8 a7 09 2d 00 <0f> 0b 5b 5d 41 5c 41 5d e9 9a 09 2d 00 e8 95 09 2d 00 4c 8d ab 58
RSP: 0018:ffffc90014c1fbc0 EFLAGS: 00010212
RAX: 0000000000001da3 RBX: ffff88802613ba80 RCX: ffffc9000c654000
RDX: 0000000000040000 RSI: ffffffff81545849 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8e72ec58
R13: ffff88807b169d40 R14: ffff88802b709020 R15: ffff88802b709000
FS:  00007fdb94c45700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201c6000 CR3: 000000002410e000 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+0xca3/0x1020 kernel/workqueue.c:4347
 kvm_mmu_init_tdp_mmu+0x92/0x1c0 arch/x86/kvm/mmu/tdp_mmu.c:24
 kvm_mmu_init_vm+0x12c/0x360 arch/x86/kvm/mmu/mmu.c:6020
 kvm_arch_init_vm+0x6c/0x750 arch/x86/kvm/x86.c:12097
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1201 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5023 [inline]
 kvm_dev_ioctl+0xb04/0x1cd0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5065
 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+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdb93e8c0c9
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:00007fdb94c45168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdb93fabf80 RCX: 00007fdb93e8c0c9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000007
RBP: 00007fdb93ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb940cfb1f R14: 00007fdb94c45300 R15: 0000000000022000
 </TASK>

Crashes (44):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce 2023/01/29 04:20 upstream c96618275234 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2023/01/10 02:48 upstream 5a41237ad1d4 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2023/01/03 14:17 upstream 69b41ac87e4a ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-upstream-kasan-gce-smack-root 2022/12/30 01:04 upstream 2258c2dc850b 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/12/15 15:32 upstream 041fae9c105a 6f9c033e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-qemu-upstream 2022/12/07 22:33 upstream 479174d402bc d88f3abb .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/11/20 10:41 upstream 77c51ba552a1 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-qemu-upstream 2022/11/13 11:58 upstream fef7fd48922d f42ee5d8 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/10/03 09:06 upstream a962b54e162c feb56351 .config console log report info [disk image] [vmlinux] WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/09/23 23:37 upstream 1707c39ae309 0042f2b4 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-smack-root 2022/09/08 07:38 upstream 0066f1b0e275 435aeef7 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/09/02 15:42 upstream 42e66b1cc3a0 25194605 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/08/26 00:27 upstream 3f5c20055a64 9b5bf4cd .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/08/17 08:59 upstream 7ebfc85e2cd7 4e72d229 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/08/10 17:15 upstream 200e340f2196 a6201f11 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/08/02 07:30 upstream 9de1f9c8ca51 fef302b1 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/30 12:39 upstream e65c6a46df94 fef302b1 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/07/28 16:44 upstream 6e7765cb477a fb95c74d .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/27 02:35 upstream 5de64d44968e 279b89c2 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/26 18:00 upstream 5de64d44968e 279b89c2 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/07/17 07:38 upstream 972a278fe60c 95cb00d1 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/07/15 15:25 upstream e5d523f1ae8f 5d921b08 .config console log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/07/08 21:08 upstream a471da3100ef b5765a15 .config console log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/07/02 04:26 upstream 1ce8c443e956 1434eec0 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/16 16:04 upstream 30306f6194ca 1719ee24 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/03 07:41 upstream 50fd82b3a9a9 02dddea8 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/06/02 11:06 upstream d1dc87763f40 5783034f .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/05/31 06:22 upstream 2c5ca23f7414 af70c3a9 .config console log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/05/24 12:45 upstream 143a6252e1b8 fcfad4ff .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/05/22 13:00 upstream eaea45fc0e7b 7268fa62 .config console log report info WARNING in kthread_bind_mask
ci-qemu-upstream 2022/05/12 13:24 upstream feb9c5e19e91 9ad6612a .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/30 07:11 upstream 8013d1d3d2e3 ad6b95d8 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/22 23:59 upstream d569e86915b7 131df97d .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/18 20:13 upstream b2d229d4ddb1 8bcc32a6 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/17 15:13 upstream a2c29ccd9477 8bcc32a6 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce 2022/04/04 14:06 upstream 312310928417 5915c2cb .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-selinux-root 2022/02/16 18:25 upstream c5d9ae265b10 8b9ca619 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2023/01/19 09:39 upstream 7287904c8771 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in kthread_bind_mask
ci-qemu-upstream-386 2023/01/18 22:49 upstream c1649ec55708 66fca3ae .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/09/01 03:21 upstream c5e4d5e99162 b01ec571 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/07/30 11:45 upstream e65c6a46df94 fef302b1 .config console log report info WARNING in kthread_bind_mask
ci-upstream-kasan-gce-386 2022/06/23 09:50 upstream 3abc3ae553c7 912f5df7 .config console 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 console 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 console log report info WARNING in kthread_bind_mask
* Struck through repros no longer work on HEAD.