[pacman-dev] [PATCH 2/5] query_fileowner: avoid buffer overflow
Copying a string into a buffer that has just been determined to not be able to hold it is obviously incorrect. The actual error handling appears to have been unintentionally removed in 47762ab687959e48acc2de8592fcf3ba3cfa502b. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> --- src/pacman/query.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/pacman/query.c b/src/pacman/query.c index 119764bc..247423fa 100644 --- a/src/pacman/query.c +++ b/src/pacman/query.c @@ -205,6 +205,7 @@ static int query_fileowner(alpm_list_t *targets) size_t rlen = strlen(rpath); if(rlen + 2 >= PATH_MAX) { pm_printf(ALPM_LOG_ERROR, _("path too long: %s/\n"), rpath); + goto targcleanup; } strcat(rpath + rlen, "/"); } -- 2.12.2
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Andrew Gregory