syzbot


kernel BUG at arch/x86/mm/physaddr.c:LINE! (5)
Status: upstream: reported C repro on 2020/05/01 08:40
Reported-by: syzbot+0bfda3ade1ee9288a1be@syzkaller.appspotmail.com
Fix commit: 57d38f26 vt: fix unicode console freeing with a common interface
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-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 76d, last: 10h06m

Cause bisection: introduced by (bisect log):

commit 9a98e7a80f95378c9ee0c644705e3b5aa54745f1
Author: Nicolas Pitre <nico@fluxnic.net>
Date: Sun Mar 29 02:25:11 2020 +0000

  vt: don't use kmalloc() for the unicode screen buffer

Crash: kernel BUG at arch/x86/mm/physaddr.c:LINE! (log)
Repro: C syz .config
similar bugs (7):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (2) C cause 522 394d 604d 13/17 fixed on 2019/06/14 18:22
linux-4.19 kernel BUG at arch/x86/mm/physaddr.c:LINE! (2) C fix 82 52d 192d 1/1 fixed on 2020/06/20 23:56
linux-4.19 kernel BUG at arch/x86/mm/physaddr.c:LINE! syz fix 1 379d 379d 1/1 fixed on 2019/12/16 09:09
linux-4.14 kernel BUG at arch/x86/mm/physaddr.c:LINE! C fix 17 30d 199d 0/1 upstream: reported C repro on 2019/12/26 02:01
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (3) 4 385d 385d 0/17 auto-closed as invalid on 2019/10/25 08:46
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! C 10 609d 641d 12/17 fixed on 2018/11/12 21:25
upstream kernel BUG at arch/x86/mm/physaddr.c:LINE! (4) C 18 107d 141d 17/17 fixed on 2020/04/15 17:19

Sample crash report:

Crashes (240):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2020/05/02 14:47 upstream 690e2aba 58da4c35 .config log report syz C daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/04/27 11:21 upstream 6a8b55ed 0ce7569e .config log report syz C daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/02 15:21 upstream 690e2aba 58da4c35 .config log report syz daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/07/12 13:53 upstream 0aea6d5c 115e1930 .config log report jmorris@namei.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, takedakn@nttdata.co.jp
ci-upstream-kasan-gce 2020/07/10 08:48 upstream 42f82040 edf162e8 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-smack-root 2020/07/08 22:47 upstream 0bddd227 bc238812 .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-root 2020/07/08 21:46 upstream 0bddd227 bc238812 .config log report jmorris@namei.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, takedakn@nttdata.co.jp
ci-upstream-kasan-gce 2020/07/08 12:27 upstream 7cc2a8ea 51095195 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/07/08 02:26 upstream 7cc2a8ea 51095195 .config log report bernd.edlinger@hotmail.de, dhowells@redhat.com, ebiederm@xmission.com, edumazet@google.com, keescook@chromium.org, linux-kernel@vger.kernel.org, mhocko@suse.com, shakeelb@google.com
ci-upstream-kasan-gce 2020/07/07 21:22 upstream 7cc2a8ea 51095195 .config log report jmorris@namei.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, takedakn@nttdata.co.jp
ci-upstream-kasan-gce-root 2020/07/07 16:28 upstream 7cc2a8ea 51095195 .config log report akpm@linux-foundation.org, christian@brauner.io, christian@kellner.me, cyphar@cyphar.com, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@amacapital.net, tglx@linutronix.de, wad@chromium.org
ci-upstream-kasan-gce-selinux-root 2020/07/06 16:56 upstream 7cc2a8ea 51095195 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/07/06 01:52 upstream 7cc2a8ea 51095195 .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce 2020/07/02 21:10 upstream cd77006e bed10395 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/06/01 23:55 upstream 9bf9511e a0331e89 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/05/28 16:50 upstream b0c3ba31 0d951763 .config log report gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/05/26 04:02 upstream 9cb1fd0e 8ca3b7d2 .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce 2020/05/25 00:50 upstream caffb99b bd28eb9d .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/05/24 16:00 upstream caffb99b bd28eb9d .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/05/23 21:17 upstream 44456565 9682898d .config log report eparis@redhat.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, paul@paul-moore.com
ci-upstream-kasan-gce-smack-root 2020/05/18 18:49 upstream 45088963 684d3606 .config log report akpm@linux-foundation.org, arnd@arndb.de, atomlin@redhat.com, davem@davemloft.net, gregkh@linuxfoundation.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mcroce@redhat.com, netdev@vger.kernel.org, sd@queasysnail.net, tglx@linutronix.de
ci-upstream-kasan-gce 2020/05/17 22:45 upstream 5a9ffb95 37bccd4e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce 2020/05/15 12:53 upstream 1ae7efb3 d7f9fffa .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/05/08 05:05 upstream 6e7f2eac 6c70a1c2 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/08 00:32 upstream 6e7f2eac 6c70a1c2 .config log report coreteam@netfilter.org, davem@davemloft.net, florent.fourcot@wifirst.fr, fw@strlen.de, jeremy@azazel.net, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-root 2020/05/07 20:48 upstream a811c1fa 98cbd87b .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/05/07 19:44 upstream a811c1fa 98cbd87b .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/05/07 15:31 upstream a811c1fa 98cbd87b .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/07 08:31 upstream a811c1fa 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/07 07:14 upstream a811c1fa 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/06 13:52 upstream dc56c5ac 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-selinux-root 2020/05/06 12:44 upstream dc56c5ac 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/06 11:26 upstream dc56c5ac 35b8eb30 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/06 07:04 upstream dc56c5ac 35b8eb30 .config log report jmorris@namei.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, takedakn@nttdata.co.jp
ci-upstream-kasan-gce-root 2020/05/06 04:27 upstream dc56c5ac 35b8eb30 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/05/06 03:21 upstream dc56c5ac 35b8eb30 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/05 23:24 upstream 47cf1b42 4b76dd25 .config log report jmorris@namei.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, takedakn@nttdata.co.jp
ci-upstream-kasan-gce-smack-root 2020/05/05 12:56 upstream 47cf1b42 4b76dd25 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/05 10:44 upstream 47cf1b42 9941337c .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/05 09:26 upstream 47cf1b42 9941337c .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/05/05 00:52 upstream 9851a0de 9941337c .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/04 20:56 upstream 9851a0de 9941337c .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/04 09:43 upstream 0e698dfa 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/04 08:37 upstream 0e698dfa 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/04 06:57 upstream 262f7a6b 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-selinux-root 2020/05/04 03:07 upstream 262f7a6b 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/05/03 20:25 upstream 262f7a6b 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-root 2020/05/03 17:24 upstream f66ed1eb 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce 2020/05/03 15:57 upstream f66ed1eb 58ae5e18 .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tj@kernel.org
ci-upstream-kasan-gce-root 2020/05/03 14:57 upstream f66ed1eb 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-smack-root 2020/04/27 08:31 upstream 6a8b55ed 0ce7569e .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/25 08:36 upstream 9cb1fd0e 11284182 .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-386 2020/05/24 18:22 upstream caffb99b bd28eb9d .config log report coreteam@netfilter.org, davem@davemloft.net, florent.fourcot@wifirst.fr, fw@strlen.de, jeremy@azazel.net, kadlec@blackhole.kfki.hu, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-386 2020/05/11 11:16 upstream 2ef96a5b f8f57555 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, manfred@colorfullife.com, natechancellor@gmail.com, shuaibinglu@126.com
ci-upstream-kasan-gce-386 2020/05/08 14:21 upstream 79dede78 2b98fdbc .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-qemu-upstream-386 2020/05/08 10:31 upstream 79dede78 fe4122c3 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/08 01:42 upstream 6e7f2eac 6c70a1c2 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-qemu-upstream-386 2020/05/07 23:24 upstream 6e7f2eac 6c70a1c2 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/07 12:14 upstream a811c1fa 98cbd87b .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/07 10:57 upstream a811c1fa 98cbd87b .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/07 09:32 upstream a811c1fa 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/06 19:20 upstream 3c40cdb0 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/06 15:06 upstream dc56c5ac 4618eb2d .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/06 02:07 upstream dc56c5ac 35b8eb30 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/05 20:30 upstream 47cf1b42 4b76dd25 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/04 22:30 upstream 9851a0de 9941337c .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/04 11:01 upstream 0e698dfa 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org
ci-upstream-kasan-gce-386 2020/05/03 21:48 upstream 262f7a6b 58ae5e18 .config log report daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, nico@fluxnic.net, sam@ravnborg.org