syzbot


KMSAN: uninit-value in audit_log_vformat (2)
Status: upstream: reported C repro on 2020/04/20 05:35
Reported-by: syzbot+49e69b4d71a420ceda3e@syzkaller.appspotmail.com
Fix commit: 763dafc5 audit: check the length of userspace generated audit records
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-usb], missing on: [ci2-upstream-kcsan-gce]
First crash: 48d, last: 24d
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KMSAN: uninit-value in audit_log_vformat C 220 48d 99d 17/17 fixed on 2020/04/15 17:19
Patch testing requests:
Created Duration User Patch Repo Result
2020/04/20 21:16 14m paul@paul-moore.com https://github.com/pcmoore/misc-linux_kernel.git audit-testing OK
2020/04/20 21:01 3m paul@paul-moore.com https://github.com/pcmoore/misc-linux_kernel.git audit-testing error

Sample crash report:

Crashes (104):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kmsan-gce-386 2020/04/19 07:03 https://github.com/google/kmsan.git master 5356842d 365fba24 .config log report syz C eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/09 18:12 https://github.com/google/kmsan.git master a7b0442d 88cb3e92 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/09 16:56 https://github.com/google/kmsan.git master a7b0442d 88cb3e92 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/09 11:46 https://github.com/google/kmsan.git master a7b0442d e97b06d3 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/09 01:35 https://github.com/google/kmsan.git master 21c44613 e97b06d3 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/08 18:26 https://github.com/google/kmsan.git master 21c44613 2b98fdbc .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/07 15:42 https://github.com/google/kmsan.git master 21c44613 98cbd87b .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/07 04:51 https://github.com/google/kmsan.git master 21c44613 4618eb2d .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/06 18:14 https://github.com/google/kmsan.git master 21c44613 4618eb2d .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/06 16:14 https://github.com/google/kmsan.git master 21c44613 4618eb2d .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/06 03:19 https://github.com/google/kmsan.git master 21c44613 35b8eb30 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/05 20:59 https://github.com/google/kmsan.git master 21c44613 4b76dd25 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/05 18:01 https://github.com/google/kmsan.git master 21c44613 4b76dd25 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/05 11:20 https://github.com/google/kmsan.git master 21c44613 9941337c .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/05 09:43 https://github.com/google/kmsan.git master 21c44613 9941337c .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/05 05:12 https://github.com/google/kmsan.git master 21c44613 9941337c .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/04 18:24 https://github.com/google/kmsan.git master 21c44613 58ae5e18 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/03 22:00 https://github.com/google/kmsan.git master bfa90a4a 58ae5e18 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/03 18:47 https://github.com/google/kmsan.git master bfa90a4a 58ae5e18 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/03 11:43 https://github.com/google/kmsan.git master bfa90a4a 5457883a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/03 01:29 https://github.com/google/kmsan.git master bfa90a4a 5457883a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/02 16:11 https://github.com/google/kmsan.git master bfa90a4a 58da4c35 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/02 05:45 https://github.com/google/kmsan.git master bfa90a4a bc734e7a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/02 00:46 https://github.com/google/kmsan.git master bfa90a4a bc734e7a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/01 22:46 https://github.com/google/kmsan.git master bfa90a4a bc734e7a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/01 21:15 https://github.com/google/kmsan.git master bfa90a4a bc734e7a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/01 15:21 https://github.com/google/kmsan.git master bfa90a4a a4d01b80 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/01 12:02 https://github.com/google/kmsan.git master bfa90a4a a4d01b80 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/05/01 04:34 https://github.com/google/kmsan.git master bfa90a4a 3698959a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/30 22:55 https://github.com/google/kmsan.git master bfa90a4a 3698959a .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/29 22:10 https://github.com/google/kmsan.git master bfa90a4a 496a08ae .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/29 15:46 https://github.com/google/kmsan.git master bfa90a4a 496a08ae .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/29 12:46 https://github.com/google/kmsan.git master bfa90a4a e3ecea2e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/29 09:56 https://github.com/google/kmsan.git master bfa90a4a e3ecea2e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/29 00:02 https://github.com/google/kmsan.git master bfa90a4a e3ecea2e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/28 14:18 https://github.com/google/kmsan.git master bfa90a4a e3ecea2e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/28 03:11 https://github.com/google/kmsan.git master bfa90a4a 0ce7569e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/27 19:07 https://github.com/google/kmsan.git master bfa90a4a 0ce7569e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/27 11:27 https://github.com/google/kmsan.git master bfa90a4a 0ce7569e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/26 19:19 https://github.com/google/kmsan.git master bfa90a4a 0ce7569e .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/26 11:59 https://github.com/google/kmsan.git master bfa90a4a 99b258dd .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/25 17:10 https://github.com/google/kmsan.git master bfa90a4a b8bb8e5f .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/25 10:03 https://github.com/google/kmsan.git master 9535d09e 03d97a1b .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/25 08:11 https://github.com/google/kmsan.git master 9535d09e 03d97a1b .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kmsan-gce-386 2020/04/15 17:48 https://github.com/google/kmsan.git master d3fe7261 3f3c5574 .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com