Check the return value of calloc() to avoid null pointer reference. Signed-off-by: Huaxin Lu <luhuaxin1@xxxxxxxxxx> --- libselinux/src/audit2why.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libselinux/src/audit2why.c b/libselinux/src/audit2why.c index ba1a66e..2def89f 100644 --- a/libselinux/src/audit2why.c +++ b/libselinux/src/audit2why.c @@ -149,6 +149,12 @@ static int check_booleans(struct boolean_t **bools) if (fcnt > 0) { *bools = calloc(sizeof(struct boolean_t), fcnt + 1); + if (!*bools) { + PyErr_SetString( PyExc_MemoryError, "Out of memory\n"); + free(foundlist); + return 0; + } + struct boolean_t *b = *bools; for (i = 0; i < fcnt; i++) { int ctr = foundlist[i]; -- 2.33.0