procps-ng/covscan_findings.patch
Jan Rybar 24b2b871f3 Coverity scan findings fix
Resolves: rhbz#1938848
2021-07-09 20:27:28 +02:00

56 lines
1.6 KiB
Diff

commit a1bc3bf207c64e2a26d8a7a3c20dd960e0e5c545
Author: Jan Rybar <jrybar@redhat.com>
Date: Thu May 6 16:30:54 2021 +0200
Coverity scan findings - memleaks, unused vars, potential nullptr dereferences
diff --git a/lib/test_process.c b/lib/test_process.c
index e20b270d..f8ff5ed0 100644
--- a/lib/test_process.c
+++ b/lib/test_process.c
@@ -69,6 +69,7 @@ signal_handler(int signum, siginfo_t *siginfo, void *ucontext)
exit(EXIT_FAILURE);
}
+ free(signame);
}
int main(int argc, char *argv[])
diff --git a/pmap.c b/pmap.c
index 49a2a6a8..d8565fc3 100644
--- a/pmap.c
+++ b/pmap.c
@@ -346,6 +346,9 @@ static void print_extended_maps (FILE *f)
if (listnode == NULL) {
assert(firstmapping == 2);
listnode = calloc(1, sizeof *listnode);
+ if (listnode == NULL)
+ xerrx(EXIT_FAILURE, _("ERROR: memory allocation failed"));
+
if (listhead == NULL) {
assert(listtail == NULL);
listhead = listnode;
diff --git a/watch.c b/watch.c
index 1a95454e..772879cd 100644
--- a/watch.c
+++ b/watch.c
@@ -124,8 +124,6 @@ static void reset_ansi(void)
static void init_ansi_colors(void)
{
- int color;
-
short ncurses_colors[] = {
-1, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW,
COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE
@@ -172,6 +170,9 @@ static int process_ansi_color_escape_sequence(char** escape_sequence) {
// ESC[ 48;2;⟨r⟩;⟨g⟩;⟨b⟩ m Select RGB background color
int num;
+ if (!escape_sequence)
+ return 0; /* avoid NULLPTR dereference, return "not understood" */
+
if ((*escape_sequence)[0] != ';')
return 0; /* not understood */