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KASAN: use-after-free in l2tp_session_create
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syzbot
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Apr 14, 2019, 4:51:33 AM
4/14/19
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Hello,
syzbot found the following crash on:
HEAD commit: 38f41ec1 Merge 4.4.125 into android-4.4
git tree: android-4.4
console output:
https://syzkaller.appspot.com/x/log.txt?x=13839d0b800000
kernel config:
https://syzkaller.appspot.com/x/.config?x=d3227609e1874daa
dashboard link:
https://syzkaller.appspot.com/bug?extid=ec6c1d8dc2e2c0117b5e
compiler: gcc (GCC) 7.1.1 20170620
syz repro:
https://syzkaller.appspot.com/x/repro.syz?x=13bf5ed3800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by:
syzbot+ec6c1d...@syzkaller.appspotmail.com
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
---
This bug is generated by a bot. It may contain errors.
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syzbot can test patches for this bug, for details see:
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