The patch titled Subject: mm/gup: fix memory leak in __gup_benchmark_ioctl has been added to the -mm tree. Its filename is mm-gup-fix-memory-leak-in-__gup_benchmark_ioctl.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-gup-fix-memory-leak-in-__gup_benchmark_ioctl.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-gup-fix-memory-leak-in-__gup_benchmark_ioctl.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: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> Subject: mm/gup: fix memory leak in __gup_benchmark_ioctl In the implementation of __gup_benchmark_ioctl() the allocated pages should be released before returning in case of an invalid cmd. Release pages via kvfree(). Link: http://lkml.kernel.org/r/20191211174653.4102-1-navid.emamdoost@xxxxxxxxx Fixes: 714a3a1ebafe ("mm/gup_benchmark.c: add additional pinning methods") Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> Cc: Keith Busch <keith.busch@xxxxxxxxx> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/gup_benchmark.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/gup_benchmark.c~mm-gup-fix-memory-leak-in-__gup_benchmark_ioctl +++ a/mm/gup_benchmark.c @@ -63,6 +63,7 @@ static int __gup_benchmark_ioctl(unsigne NULL); break; default: + kvfree(pages); return -1; } _ Patches currently in -mm which might be from navid.emamdoost@xxxxxxxxx are mm-gup-fix-memory-leak-in-__gup_benchmark_ioctl.patch