syzbot


KASAN: use-after-free Write in page_counter_cancel
Status: upstream: reported on 2020/08/18 14:49
Reported-by: syzbot+b5ea6fb6f139c8b9482b@syzkaller.appspotmail.com
Fix commit: f1796544 memcg: fix use-after-free in uncharge_batch
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 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 ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce]
First crash: 34d, last: 34d

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/08/14 14:36 linux-next 4993e4fe 424dd8e7 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org