From: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> Subject: tools/vm/page_owner_sort.c: check malloc() return Link: https://lkml.kernel.org/r/20210506131402.10416-1-tangbin@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Zhang Shengju <zhangshengju@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/vm/page_owner_sort.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/vm/page_owner_sort.c~tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk +++ a/tools/vm/page_owner_sort.c @@ -132,6 +132,10 @@ int main(int argc, char **argv) qsort(list, list_size, sizeof(list[0]), compare_txt); list2 = malloc(sizeof(*list) * list_size); + if (!list2) { + printf("Out of memory\n"); + exit(1); + } printf("culling\n"); _
