Messages in this thread | | | Subject | Re: KASAN: use-after-free Read in skb_ensure_writable | From | Daniel Borkmann <> | Date | Fri, 8 Jun 2018 11:53:13 +0200 |
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On 06/04/2018 01:36 AM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: bcece5dc40b9 bpf: Change bpf_fib_lookup to return -EAFNOSU.. > git tree: bpf-next > console output: https://syzkaller.appspot.com/x/log.txt?x=10ee76b7800000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e4078980b886800c > dashboard link: https://syzkaller.appspot.com/bug?extid=c8504affd4fdd0c1b626 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=10d926df800000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1778c26f800000
#syz fix: bpf: reject passing modified ctx to helper functions
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