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authorStefano Brivio <sbrivio@redhat.com>2022-05-20 10:50:35 +0200
committerStefano Brivio <sbrivio@redhat.com>2022-05-20 10:50:35 +0200
commit67103ea556da00106da900f20aac286511171ea2 (patch)
treeb2c813df82abdb7c85cd89f30d2a5af3ea6cea7f /test/perf/passt_udp
parentd27cc3e4355834a545581f4beafbfff9e0761914 (diff)
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conf: Fix one Coverity CID 258163 warning, work around another one
In conf_runas(), Coverity reports that we might dereference uid and gid despite possibly being NULL (CWE-476) because of the check after the first sscanf(). They can't be NULL, but I actually wanted to check that UID and GID are non-zero (the user could otherwise pass --runas root:root and defy the whole mechanism). Later on, we have the same type of warning for 'gr': it's compared against NULL, so it might be NULL, which is actually the case: but in that case, we don't dereference it, because we'll return -ENOENT right away. Rewrite the clause to silence the warning. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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