[Bug libdw/28659] UBSan seems to complain about an "integer overflow" in dwfl_segment_report_module

evvers at ya dot ru sourceware-bugzilla@sourceware.org
Wed Dec 8 22:39:58 GMT 2021


--- Comment #2 from Evgeny Vereshchagin <evvers at ya dot ru> ---
> Note that the overflow is actually harmless

It is but since the fuzz target ran into it almost as soon as it started it
prevented the fuzz target from discovering new issues that can be less harmless

Looks like the issue is gone. Thanks!

FWIW judging by
https://github.com/evverx/elfutils/pull/40#issuecomment-989275575, it fixed one
LGTM alert as well. I'm not sure if I mentioned this anywhere but LGTM builds
those reports on a daily basis and those reports can be found at
https://lgtm.com/projects/g/evverx/elfutils/alerts/?mode=tree .

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