The patch titled Subject: mm/gup_test: free memory allocated via kvcalloc() using kvfree() has been added to the -mm mm-unstable branch. Its filename is mm-gup_test-free-memory-allocated-via-kvcalloc-using-kvfree.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-gup_test-free-memory-allocated-via-kvcalloc-using-kvfree.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: David Hildenbrand <david@xxxxxxxxxx> Subject: mm/gup_test: free memory allocated via kvcalloc() using kvfree() Date: Mon, 12 Dec 2022 19:20:18 +0100 We have to free via kvfree(), not via kfree(). Link: https://lkml.kernel.org/r/20221212182018.264900-1-david@xxxxxxxxxx Fixes: c77369b437f9 ("mm/gup_test: start/stop/read functionality for PIN LONGTERM test") Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Julia Lawall <julia.lawall@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/gup_test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/gup_test.c~mm-gup_test-free-memory-allocated-via-kvcalloc-using-kvfree +++ a/mm/gup_test.c @@ -214,7 +214,7 @@ static inline void pin_longterm_test_sto if (pin_longterm_test_nr_pages) unpin_user_pages(pin_longterm_test_pages, pin_longterm_test_nr_pages); - kfree(pin_longterm_test_pages); + kvfree(pin_longterm_test_pages); pin_longterm_test_pages = NULL; pin_longterm_test_nr_pages = 0; } @@ -255,7 +255,7 @@ static inline int pin_longterm_test_star fast = !!(args.flags & PIN_LONGTERM_TEST_FLAG_USE_FAST); if (!fast && mmap_read_lock_killable(current->mm)) { - kfree(pages); + kvfree(pages); return -EINTR; } _ Patches currently in -mm which might be from david@xxxxxxxxxx are mm-gup_test-free-memory-allocated-via-kvcalloc-using-kvfree.patch