Comment 23 for bug 1863162

(In reply to Szabolcs Nagy from comment #19)
> (In reply to Sergei Trofimovich from comment #18)
> > ...
> > Sun 03 May 2020 10:46:55 AM UTC
> > Didn't expect signal from child: got `Segmentation fault'
> > Sun 03 May 2020 10:47:04 AM UTC
> > double free or corruption (!prev)
> > Didn't expect signal from child: got `Aborted'
> > ...
> > Sun 03 May 2020 10:50:54 AM UTC
> > free(): invalid pointer
> > Didn't expect signal from child: got `Aborted'
> > ...
> > Sun 03 May 2020 10:52:12 AM UTC
> > tst-stack4: malloc.c:2379: sysmalloc: Assertion `(old_top == initial_top
> > (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE &&
> > prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)'
> > failed.
> > Didn't expect signal from child: got `Aborted'
> >
> > Does it look like the same issue described here?
>
> it can be related, hard to tell.
> (your failures are consistently heap corruptions
> detected in malloc/free, instead of dynamic tls
> related state corruption)
>
> if you can rebuild glibc try the patches from
> comment 7 if they don't help then your issue
> is different. (if the issue disappears we don't
> know if the new barriers just masked your issue
> or fixed them).

Tried patches from #comment7 on glibc-2.30. No failures after 100 test runs. Usually fails after 3-4 runs.