On Fri, Jan 29, 2021 at 17:16:10 +0100, Tim Wiederhake wrote:
I stumbled upon a buffer overflow / stack smash present in "test/commandhelper.c" that could be triggered by e.g.
$ ./tests/commandhelper --readfd 0 --readfd 0 --readfd 0 --readfd x Could not parse fd x *** stack smashing detected ***: terminated Aborted (core dumped)
This series cleans up the file, fixes the buffer overflow and converts (most) memory handling to g_auto*.
Note that it does not touch the "prevent malloc with zero size" issue discussed in https://www.redhat.com/archives/libvir-list/2021-January/msg01160.html, this will be done in the other series.
Please feel free to comment on whether the copyright year in the file's header should be updated and whether a prefix for the function names and the new type is required.
No and no. For patches 1-2,4-16,19: Reviewed-by: Peter Krempa <pkrempa@redhat.com> 17, 18 use g_autofree which uses g_free which shouldn't be available.