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| author | Patrick Georgi <pgeorgi@chromium.org> | 2017-01-02 19:15:44 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2017-01-03 22:16:50 +0100 |
| commit | d8051896fd92c1250499a21c9cda0b4c834b8c68 (patch) | |
| tree | a1c99e1caa3b556be9dc24d94ad598549c94d902 /util/romcc | |
| parent | 61dbbf65c3423ba7903fca960e9da892b96a534c (diff) | |
| download | coreboot-d8051896fd92c1250499a21c9cda0b4c834b8c68.tar.xz | |
util/romcc: avoid dereferencing NULL pointer
argv is only filled for macro->argc > 0.
Change-Id: I5ff21098384afc823efa14be3d5565507fb2b3b2
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Found-by: Coverity Scan #1287089
Reviewed-on: https://review.coreboot.org/18016
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'util/romcc')
| -rw-r--r-- | util/romcc/romcc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c index 2fa400af2b..62fe758ef6 100644 --- a/util/romcc/romcc.c +++ b/util/romcc/romcc.c @@ -4580,6 +4580,9 @@ static void expand_macro(struct compile_state *state, flen = fmacro.pos - fstart; switch(tk->tok) { case TOK_IDENT: + if (macro->argc < 0) { + break; + } for(i = 0; i < macro->argc; i++) { if (argv[i].ident == tk->ident) { break; |