The patch titled Subject: tools/vm/page_owner_sort.c: check malloc return has been added to the -mm tree. Its filename is tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ 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"); _ Patches currently in -mm which might be from tangbin@xxxxxxxxxxxxxxxxxxxx are tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk.patch