syzbot


KASAN: slab-out-of-bounds Read in bpf_skb_change_head
Status: fixed on 2018/07/09 18:05
Reported-by: syzbot+567faa843005dda30737@syzkaller.appspotmail.com
Fix commit: 58990d1f bpf: reject passing modified ctx to helper functions
First crash: 790d, last: 790d
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 KASAN: slab-out-of-bounds Read in bpf_skb_change_head C 8 277d 488d 0/1 public: reported C repro on 2019/04/12 00:01
linux-4.14 KASAN: slab-out-of-bounds Read in bpf_skb_change_head C fix 2 231d 300d 1/1 fixed on 2020/01/25 22:00

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-bpf-next-kasan-gce 2018/06/13 20:34 bpf-next 75d4e704 27c5f59f .config log report syz C ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-bpf-next-kasan-gce 2018/06/13 18:31 bpf-next 75d4e704 27c5f59f .config log report ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org