On Tue, Oct 31, 2017 at 7:02 PM, Cong Wang <xiyou.wangc...@gmail.com> wrote: > On Tue, Oct 31, 2017 at 3:09 PM, Cong Wang <xiyou.wangc...@gmail.com> wrote: >> >> This almost rules out the guilty of this patchset. >> >> I will provide a patch for you to test, since I can't reproduce it here. >> > > Lucas, please test the attached patch, it applies to latest -net. > > Note, it is a combination of 3 patches which together close the > use-after-free you reported here, I hope. > > Please let me know if this works. My basic tests run well without > any stack traces or memory leaks.
The results look good to me. I compiled with the patch and ran the test again in a loop. I set it to run 50 times in a row and didn't trigger the bug once (previous record was 4 times).