The patch titled Subject: radix tree test suite: fix incorrect allocation size for pthreads has been added to the -mm mm-hotfixes-unstable branch. Its filename is radix-tree-test-suite-fix-incorrect-allocation-size-for-pthreads.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/radix-tree-test-suite-fix-incorrect-allocation-size-for-pthreads.patch This patch will later appear in the mm-hotfixes-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: Colin Ian King <colin.i.king@xxxxxxxxx> Subject: radix tree test suite: fix incorrect allocation size for pthreads Date: Thu, 27 Jul 2023 17:09:30 +0100 Currently the pthread allocation for each array item is based on the size of a pthread_t pointer and should be the size of the pthread_t structure, so the allocation is under-allocating the correct size. Fix this by using the size of each element in the pthreads array. Static analysis cppcheck reported: tools/testing/radix-tree/regression1.c:180:2: warning: Size of pointer 'threads' used instead of size of its data. [pointerSize] Link: https://lkml.kernel.org/r/20230727160930.632674-1-colin.i.king@xxxxxxxxx Fixes: 1366c37ed84b ("radix tree test harness") Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx> Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/radix-tree/regression1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/testing/radix-tree/regression1.c~radix-tree-test-suite-fix-incorrect-allocation-size-for-pthreads +++ a/tools/testing/radix-tree/regression1.c @@ -177,7 +177,7 @@ void regression1_test(void) nr_threads = 2; pthread_barrier_init(&worker_barrier, NULL, nr_threads); - threads = malloc(nr_threads * sizeof(pthread_t *)); + threads = malloc(nr_threads * sizeof(*threads)); for (i = 0; i < nr_threads; i++) { arg = i; _ Patches currently in -mm which might be from colin.i.king@xxxxxxxxx are radix-tree-test-suite-fix-incorrect-allocation-size-for-pthreads.patch fs-hfsplus-make-extend-error-rate-limited.patch