syzbot


KASAN: null-ptr-deref Write in media_request_close
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+6bed2d543cf7e48b822b@syzkaller.appspotmail.com
Fix commit: e30cc79cc80f media: media-request: Fix crash if memory allocation fails
First crash: 543d, last: 490d

Cause bisection: introduced by (bisect log) :
commit 016baa59bf9f6c2550480b73f18100285e3a4fd2
Author: Ezequiel Garcia <ezequiel@collabora.com>
Date: Tue Apr 14 22:06:24 2020 +0000

  media: Kconfig: Don't expose the Request API option

Crash: KASAN: null-ptr-deref Write in media_request_put (log)
Repro: C syz .config

Sample crash report:

Crashes (17):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/06/18 14:10 upstream 7ae77150d94d d45a4d69 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/05 06:59 upstream c0842fbc1b18 80a06902 .config log report
ci-upstream-kasan-gce-root 2020/08/03 18:35 upstream bcf876870b95 196277c4 .config log report
ci-upstream-kasan-gce-root 2020/07/22 13:11 upstream 4fa640dc5230 128cd85f .config log report
ci-upstream-kasan-gce-smack-root 2020/07/18 01:11 upstream 8882572675c1 9c812472 .config log report
ci-upstream-kasan-gce 2020/07/16 18:45 upstream 994e99a96c9b f3bec699 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/16 00:50 upstream e9919e11e219 f3bec699 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/16 00:34 upstream e9919e11e219 f3bec699 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/14 13:56 upstream 0dc589da873b ce4c95b3 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/11 05:36 upstream a581387e415b 18d18b59 .config log report
ci-upstream-kasan-gce 2020/07/09 10:17 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/06 04:16 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-root 2020/07/06 02:45 upstream 7cc2a8ea1048 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/02 20:05 upstream cd77006e01b3 bed10395 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/18 14:00 upstream 7ae77150d94d d45a4d69 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/12 22:51 upstream 7ae77150d94d df590254 .config log report
ci-upstream-kasan-gce-386 2020/06/26 19:16 upstream 4a21185cda0f aea82c00 .config log report