syzbot


KASAN: use-after-free Read in iov_iter_alignment
Status: upstream: reported C repro on 2019/12/02 17:15
Reported-by: syzbot+bea68382bae9490e7dd6@syzkaller.appspotmail.com
Fix commit: e0ff126e pipe: Fix bogus dereference in iov_iter_alignment()
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-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: 54d, last: 54d

Cause bisection: failed (bisect log)

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2019/12/02 03:55 upstream b94ae8ad f879db37 .config log report syz C darrick.wong@oracle.com, hch@infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2019/12/02 03:16 upstream b94ae8ad f879db37 .config log report darrick.wong@oracle.com, hch@infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2019/12/02 02:56 upstream b94ae8ad f879db37 .config log report darrick.wong@oracle.com, hch@infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org