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WARNING: can't dereference registers at ADDR for ip interrupt_entry

Status: upstream: reported C repro on 2020/04/05 14:55
Reported-by: syzbot+be0c7be873b78b57c065@syzkaller.appspotmail.com
First crash: 973d, last: 929d

Cause bisection: introduced by (bisect log) :
commit 24bbf74c0c36bfbaa276c9921b55b844018b241e
Author: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Date: Thu Nov 14 20:15:07 2019 +0000

  kvm: x86: Add APICv (de)activate request trace points

Crash: WARNING: can't dereference registers at ADDR for ip interrupt_entry (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
Patch testing requests:
Created Duration User Patch Repo Result
2022/09/15 15:29 15m upstream OK log
2022/09/15 13:29 17m upstream report log
2022/09/01 16:27 17m bpf-next OK log
2022/09/01 11:27 16m bpf OK log

Sample crash report:
WARNING: can't dereference registers at 000000003405f06a for ip interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579

Crashes (32):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/04/27 07:13 upstream edf17b283844 0ce7569e .config log report syz C
ci-upstream-bpf-kasan-gce 2020/04/01 15:05 bpf a0ba26f37ea0 a34e2c33 .config log report syz C
ci-upstream-bpf-next-kasan-gce 2020/04/01 15:36 bpf-next 3902baf9abfa a34e2c33 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/05/08 06:57 upstream 6e7f2eacf098 6c70a1c2 .config log report syz
ci-upstream-bpf-kasan-gce 2020/04/26 22:51 bpf 52a90612fa61 0ce7569e .config log report
ci-upstream-bpf-kasan-gce 2020/04/01 14:50 bpf a0ba26f37ea0 a34e2c33 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 11:23 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 10:47 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 10:43 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 10:11 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 10:08 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 09:27 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 08:30 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 08:05 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 06:33 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 03:54 bpf-next 6a0981542854 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 01:39 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/15 01:13 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 23:47 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 23:47 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 23:42 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 22:05 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 21:39 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/14 20:36 bpf-next 8f4605ac3e64 2d572622 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/12 16:52 bpf-next ff20460e94af 160c7698 .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/02 09:03 bpf-next 3dbb5b5040c3 bc734e7a .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/01 02:31 bpf-next 063e68813391 3698959a .config log report
ci-upstream-bpf-next-kasan-gce 2020/05/01 00:41 bpf-next 063e68813391 3698959a .config log report
ci-upstream-bpf-next-kasan-gce 2020/04/15 20:13 bpf-next 1a323ea5356e 3f3c5574 .config log report
ci-upstream-bpf-next-kasan-gce 2020/04/11 05:07 bpf-next 1a323ea5356e a8c6a3f8 .config log report
ci-upstream-bpf-next-kasan-gce 2020/04/10 17:11 bpf-next 1a323ea5356e a8c6a3f8 .config log report
ci-upstream-bpf-next-kasan-gce 2020/04/02 02:24 bpf-next 1a323ea5356e a34e2c33 .config log report
* Struck through repros no longer work on HEAD.