KASAN: use-after-free in l2tp_session_create

Status: public: reported syz repro on 2019/04/14 08:51
Reported-by: syzbot+ec6c1d8dc2e2c0117b5e@syzkaller.appspotmail.com
First crash: 3075d, last: 3075d

Sample crash report:
IPVS: Creating netns size=2552 id=5
IPVS: Creating netns size=2552 id=6
IPVS: Creating netns size=2552 id=7
IPVS: Creating netns size=2552 id=8
==================================================================
BUG: KASAN: use-after-free in l2tp_session_create+0xf94/0x10f0 net/l2tp/l2tp_core.c:1824

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/03/30 00:31 https://android.googlesource.com/kernel/common android-4.4 38f41ec1cb31 d47f0ed6 .config console log report syz ci-android-44-kasan-gce
* Struck through repros no longer work on HEAD.