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| author | Patrick Georgi <patrick@georgi-clan.de> | 2014-08-09 17:12:23 +0200 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2014-08-10 18:50:30 +0200 |
| commit | 802ad521804b8a9f473780fdff4058dd3f8520c3 (patch) | |
| tree | aca769a833479c707d5e8a078c8dd17994a605e5 /util/ifdtool | |
| parent | a438049422fae85fe4df3ab3f89dbca797d6f5a9 (diff) | |
| download | coreboot-802ad521804b8a9f473780fdff4058dd3f8520c3.tar.xz | |
ifdtool: Provide bounds on string parser
While the result will not be pretty (ie. ifdtool will
mis-parse string components longer than 255 characters),
at least it doesn't overflow stack variables anymore.
Change-Id: I263c5cf823a2d8a863dcece7c4ee0b26475f9fc4
Found-by: Coverity Scan
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/6562
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'util/ifdtool')
| -rw-r--r-- | util/ifdtool/ifdtool.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index c4785504d5..625d650a5e 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -761,7 +761,7 @@ void new_layout(char *filename, char *image, int size, char *layout_fname) while (!feof(romlayout)) { char *tstr1, *tstr2; - if (2 != fscanf(romlayout, "%s %s\n", tempstr, + if (2 != fscanf(romlayout, "%255s %255s\n", tempstr, layout_region_name)) continue; |