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| author | Jacob Garber <jgarber1@ualberta.ca> | 2019-05-08 16:28:27 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-05-13 09:12:35 +0000 |
| commit | 4fbd22e38d42faf7654cf9ded1f4001652e7fd37 (patch) | |
| tree | d5a5e400a6e7655ecfbf9032b6cb69188176da91 /util/intelvbttool | |
| parent | 2be617b58b500214d45c338eda88237730524cac (diff) | |
| download | coreboot-4fbd22e38d42faf7654cf9ded1f4001652e7fd37.tar.xz | |
util/intelvbttool: Add error checking for memory allocation
It is possible that 'malloc_fo_sub' and 'remalloc_fo' can
fail, so add appropriate error checks for those cases.
This incidentally fixes a possible memory leak when
'malloc_fo_sub' succeeds but 'remalloc_fo' does not.
Found-by: Coverity Scan #1396050
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I944b67f5cdcfd7a687e81d8bb01a209c9dc9b0b8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32696
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'util/intelvbttool')
| -rw-r--r-- | util/intelvbttool/intelvbttool.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/util/intelvbttool/intelvbttool.c b/util/intelvbttool/intelvbttool.c index 715b39ad57..2dfa0023f2 100644 --- a/util/intelvbttool/intelvbttool.c +++ b/util/intelvbttool/intelvbttool.c @@ -788,7 +788,20 @@ static void parse_vbt(const struct fileobject *fo, } /* Duplicate fo as caller is owner and remalloc frees the object */ - *vbt = remalloc_fo(malloc_fo_sub(fo, 0), head->vbt_size); + struct fileobject *dupfo = malloc_fo_sub(fo, 0); + if (!dupfo) { + printerr("malloc failed\n"); + return; + } + + struct fileobject *newfo = remalloc_fo(dupfo, head->vbt_size); + if (!newfo) { + printerr("remalloc failed\n"); + free_fo(dupfo); + return; + } + + *vbt = newfo; } /* Option ROM checksum */ |