On Sun, Jan 14, 2018 at 01:22:13AM +0100, Daniel Borkmann wrote: > On 01/13/2018 08:29 AM, Dmitry Vyukov wrote: > > On Fri, Jan 12, 2018 at 11:58 PM, syzbot > > <syzbot+32b24f3e7c9000c48...@syzkaller.appspotmail.com> wrote: > >> Hello, > >> > >> syzkaller hit the following crash on > >> c92a9a461dff6140c539c61e457aa97df29517d6 > >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master > >> compiler: gcc (GCC) 7.1.1 20170620 > >> .config is attached > >> Raw console output is attached. > >> C reproducer is attached > >> syzkaller reproducer is attached. See https://goo.gl/kgGztJ > >> for information about syzkaller reproducers > >> > >> > >> IMPORTANT: if you fix the bug, please add the following tag to the commit: > >> Reported-by: syzbot+32b24f3e7c9000c48...@syzkaller.appspotmail.com > >> It will help syzbot understand when the bug is fixed. See footer for > >> details. > >> If you forward the report, please keep this part and the footer. > > > > > > Daniel, is it the same bug that was fixed by "bpf, array: fix overflow > > in max_entries and undefined behavior in index_mask"? > > And also here, fixed by: > > https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=bbeb6e4323dad9b5e0ee9f60c223dd532e2403b1 >
Thanks Daniel, this crash is no longer occurring and I verified that commit bbeb6e4323da fixed it, so let's allow syzbot to close this report too: #syz fix: bpf, array: fix overflow in max_entries and undefined behavior in index_mask - Eric
