syzbot


INFO: task hung in kvm_mmu_uninit_tdp_mmu (2)

Status: premoderation: reported on 2026/01/24 19:57
Reported-by: syzbot+aebf766ff4e64a1b32c9@syzkaller.appspotmail.com
First crash: 140d, last: 3d19h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 INFO: task hung in kvm_mmu_uninit_tdp_mmu 1 115 213d 358d 0/1 auto-obsoleted due to no activity on 2026/01/01 13:24

Sample crash report:
INFO: task syz.2.1013:3407 blocked for more than 122 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1013      state:D stack:0     pid:3407  tgid:3406  ppid:2722   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:6027 [inline]
 __schedule+0x14ce/0x2100 kernel/sched/core.c:7894
 __schedule_loop kernel/sched/core.c:7975 [inline]
 schedule+0xc5/0x240 kernel/sched/core.c:7990
 schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common+0x369/0x650 kernel/sched/completion.c:127
 wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
 rcu_barrier+0x415/0x540 kernel/rcu/tree.c:4657
 kvm_mmu_uninit_tdp_mmu+0x1df/0x210 arch/x86/kvm/mmu/tdp_mmu.c:51
 kvm_mmu_uninit_vm+0x27/0x60 arch/x86/kvm/mmu/mmu.c:6576
 kvm_arch_destroy_vm+0x398/0x420 arch/x86/kvm/x86.c:12980
 kvm_destroy_vm virt/kvm/kvm_main.c:1355 [inline]
 kvm_put_kvm+0xb04/0x12c0 virt/kvm/kvm_main.c:1392
 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1415
 __fput+0x1fb/0xa00 fs/file_table.c:429
 ____fput+0x20/0x30 fs/file_table.c:457
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x9ad/0x2720 kernel/exit.c:954
 do_group_exit+0x229/0x2f0 kernel/exit.c:1096
 get_signal+0x1398/0x14e0 kernel/signal.c:2933
 arch_do_signal_or_restart+0xbc/0x760 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x57/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f7f21f9caeb
RSP: 002b:00007f7f22f20f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000006 RCX: 00007f7f21f9caeb
RDX: 00007f7f22f21fd0 RSI: 0000000080085502 RDI: 0000000000000006
RBP: 00007f7f22f21fd0 R08: 0000000000000040 R09: 00007f7f22f20fc8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000012 R15: 00007f7f2205125f
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 c36f08223ec58598e05683a28d55b954d63a7946
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
 watchdog+0xdad/0xf00 kernel/hung_task.c:423
 kthread+0x2c9/0x370 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 20 Comm: rcuop/0 Not tainted syzkaller #0 c36f08223ec58598e05683a28d55b954d63a7946
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:arch_stack_walk+0x10a/0x170 arch/x86/kernel/stacktrace.c:27
Code: 48 8d bd 78 ff ff ff 4c 89 e6 4c 89 fa e8 6e 9c 06 00 83 bd 78 ff ff ff 00 74 46 4c 8d bd 78 ff ff ff 4c 89 ff e8 06 8c 06 00 <48> 85 c0 74 32 48 89 df 48 89 c6 4d 89 f3 41 ba 85 68 e8 f0 45 03
RSP: 0018:ffffc90000006f68 EFLAGS: 00000246
RAX: ffffffff84d9372e RBX: ffffc90000007020 RCX: 0000000000006f00
RDX: ffffc90000007401 RSI: 1ffff92000000dee RDI: ffffffff84d9372e
RBP: ffffc90000006ff0 R08: ffffc90000007030 R09: ffffc90000007028
R10: 0000000000000006 R11: ffffffff8175f500 R12: ffff888103664c00
R13: 0000000000000000 R14: ffffffff8175f500 R15: ffffc90000006f68
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09cbc324aa CR3: 000000010b3f4000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000001 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_free_info+0x4a/0x60 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:249 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2445 [inline]
 slab_free mm/slub.c:4714 [inline]
 kmem_cache_free+0x1bd/0x4f0 mm/slub.c:4825
 kfree_skbmem net/core/skbuff.c:-1 [inline]
 __kfree_skb+0x18f/0x210 net/core/skbuff.c:1203
 consume_skb+0x65/0x1a0 net/core/skbuff.c:1434
 arp_process+0xe12/0x1790 net/ipv4/arp.c:942
 NF_HOOK+0x17e/0x1e0 include/linux/netfilter.h:317
 arp_rcv+0x2f8/0x490 net/ipv4/arp.c:992
 __netif_receive_skb_one_core net/core/dev.c:5801 [inline]
 __netif_receive_skb net/core/dev.c:5914 [inline]
 netif_receive_skb_internal net/core/dev.c:6000 [inline]
 netif_receive_skb+0x22d/0x7b0 net/core/dev.c:6059
 br_netif_receive_skb net/bridge/br_input.c:30 [inline]
 NF_HOOK include/linux/netfilter.h:317 [inline]
 br_pass_frame_up+0x126/0x1b0 net/bridge/br_input.c:70
 br_handle_frame_finish+0x120c/0x17a0 net/bridge/br_input.c:221
 nf_hook_bridge_pre net/bridge/br_input.c:301 [inline]
 br_handle_frame+0x5a6/0xba0 net/bridge/br_input.c:424
 __netif_receive_skb_core+0xfb1/0x3ab0 net/core/dev.c:5695
 __netif_receive_skb_one_core net/core/dev.c:5799 [inline]
 __netif_receive_skb net/core/dev.c:5914 [inline]
 process_backlog+0x3e5/0xad0 net/core/dev.c:6250
 __napi_poll+0xd3/0x610 net/core/dev.c:6901
 napi_poll net/core/dev.c:6970 [inline]
 net_rx_action+0x5ea/0xd80 net/core/dev.c:7092
 handle_softirqs+0x1aa/0x630 kernel/softirq.c:621
 __do_softirq+0xf/0x16 kernel/softirq.c:659
 do_softirq+0xb8/0x110 kernel/softirq.c:503
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x74/0x80 kernel/softirq.c:430
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_do_batch+0x5d9/0xd40 kernel/rcu/tree.c:2594
 nocb_cb_wait kernel/rcu/tree_nocb.h:923 [inline]
 rcu_nocb_cb_kthread+0x524/0xb30 kernel/rcu/tree_nocb.h:957
 kthread+0x2c9/0x370 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
net_ratelimit: 96158 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:32:f1:d3:b4:82, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:32:f1:d3:b4:82, vlan:0)
net_ratelimit: 106087 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:32:f1:d3:b4:82, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:32:f1:d3:b4:82, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)

Crashes (91):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/10 10:33 android16-6.12 cf3d484a7cc5 34dab4be .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/07 17:39 android16-6.12 468e09dd6f52 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/07 13:53 android16-6.12 468e09dd6f52 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/07 04:44 android16-6.12 468e09dd6f52 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/04 10:03 android16-6.12 8b70dc440368 197909be .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/03 01:59 android16-6.12 66b8d2a9700a 3c0d2131 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/02 21:43 android16-6.12 215bb7dbd9d4 62fe1528 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/06/01 06:46 android16-6.12 34c0581154b9 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/30 11:15 android16-6.12 34c0581154b9 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/29 13:09 android16-6.12 d398eeb1f23e 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/27 01:32 android16-6.12 ad34d1539656 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/26 02:01 android16-6.12 28ab3740535f c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/24 02:17 android16-6.12 28ab3740535f c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/20 23:13 android16-6.12 f0dd0605ee81 62fb93a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/20 14:24 android16-6.12 0819c4ac7768 62fb93a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/19 11:12 android16-6.12 be343ff665e2 223544dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/18 16:47 android16-6.12 be343ff665e2 55156e84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/14 19:46 android16-6.12 20cf7b36edc7 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/14 11:27 android16-6.12 098cf2128230 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/13 20:46 android16-6.12 de7da43e33fd fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/10 06:01 android16-6.12 5efa9ec22e39 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/10 02:54 android16-6.12 5efa9ec22e39 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/09 17:02 android16-6.12 5efa9ec22e39 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/08 16:28 android16-6.12 6302a0abb9ea b2988c17 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/07 20:29 android16-6.12 ca96d08337a8 cbf9e0fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/07 14:44 android16-6.12 ca96d08337a8 cbf9e0fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/07 10:34 android16-6.12 f0eb259b5af5 f250db59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/06 09:31 android16-6.12 59a61a07862b 26da2c66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/04 07:01 android16-6.12 8ed163f1fc8c a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/04 04:38 android16-6.12 8ed163f1fc8c a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/05/02 05:44 android16-6.12 8ed163f1fc8c 753c55b9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/29 04:47 android16-6.12 c96ce3cae8c3 95008c03 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/28 05:13 android16-6.12 18d3876842e1 ce741359 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/26 05:26 android16-6.12 1cbb81cdf8fc 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/25 08:03 android16-6.12 1c5ded243bc2 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/24 11:08 android16-6.12 20bf5f5313ad 9cfb3ca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/23 13:19 android16-6.12 2951620221cf 4c3406dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/22 04:19 android16-6.12 0c9c20447f96 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/20 03:44 android16-6.12 6532ca3bb1f7 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/19 13:42 android16-6.12 6532ca3bb1f7 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/04/17 17:53 android16-6.12 a0dc3e7a8eb4 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/03/25 00:36 android16-6.12 d671506859f7 74e70d19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/03/17 02:14 android16-6.12 d9e7ad6b2d4f 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/30 14:01 android16-6.12 d60ccb82b419 ae7dc18c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/29 15:27 android16-6.12 6acc5550e55c aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/28 17:16 android16-6.12 58f0d92c7966 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/25 10:37 android16-6.12 83c6be0e1efe 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/24 21:22 android16-6.12 2f0f4b0a9a68 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
2026/01/24 19:56 android16-6.12 2f0f4b0a9a68 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust INFO: task hung in kvm_mmu_uninit_tdp_mmu
* Struck through repros no longer work on HEAD.