On Fri, Jan 25, 2019 at 12:15:28PM -0500, Nathan Sidwell wrote: > On 1/25/19 5:28 AM, Tom de Vries wrote: > > > > This patch fixes it by passing "" instead of NULL, in the call to > > elf_add at line 3083 (for .gnu_debugaltlink), not the call to elf_add at > > line 3044 (for .gnu_debuglink) mentioned above. > > > > Nathan, does this fix the problem for you? If not, can you provide a > > reproducer, or give a hint on how one could be constructed? > > I still hit the problem, and am installing this as sufficiently obvious. > I'm on a fedora system debugging pr88995. The debuglink_name is > "../../.dwz/isl-0.16.1-7.fc29.x86_64" > > I'm not sure why this is triggering now -- maybe my debuginfo packages are > out of date?
I'm seeing this too. I've resolved it by uninstalling libmpc-debuginfo. If I put it back, the crash in libbacktrace reappears. Again the problem was a null filename and so strchr crashed. Thanks for looking into this Nathan. Marek
