We regularly run AddressSanitizer and Valgrind on mozilla-central, so it seems likely this is Thunderbird specific. Please file security bugs in bugzilla with any reports you have found.
Andrew On Thu, Aug 25, 2016 at 10:59 AM, ISHIKAWA,chiaki <ishik...@yk.rim.or.jp> wrote: > Hi, > > I occasionally check C-C TB by running |make mozmill| test suite under > valgrind/memcheck for detecting memory issues. > > I ran such a test the day before and saw a flurry of memcheck warnings > which I did not see in the test that was run back on May 12th. > > So in three months between, some memory errors were introduced. > > I checked them briefly and saw many errors related to wrappers for > getenv(). > But I also saw some other issues which seemed rather disturbing. > I am tied with a big project with a day job and not sure if I can follow > up on these issues in a timely manner before it is too late. > > If anyone occasionally checks C-C TB or M-C FF using valgrind/memcheck by > running xpcshell tests and mozmill test in the case of C-C TB), I urge such > people to do the tests NOW so that we can figure out which patch sets > introduced such memory issues before it becomes difficult to figure out the > culprit. > > To wit, the frequency and types of warnings from a partial log (partial > since it takes more than 24 hours to run the test, I had to quit it > halfway). > > 12 Memcheck:Addr1 > 284 Memcheck:Addr2 > 4 Memcheck:Addr8 > 39 Memcheck:Cond > 1 Memcheck:Param > > The number at the beginning of the line is the frequency of appearance in > the log. (But do note that there are different errors reported under the > same heading, Memcheck:Addr2, for example. This is disturbing enough since > usually a known false positive often reports only the same code path. > > Yes, valgrind/memcheck can report false failures sometimes. > But this time, the warnings are varied enough and some did look > a problem like the access AFTER free (!) in one case. That should not be > overlooked!!! > > TIA > > CI > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform