The patch titled Subject: lib: test_kasan: add some testcases has been removed from the -mm tree. Its filename was lib-test_kasan-add-some-testcases.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Wang Long <long.wanglong@xxxxxxxxxx> Subject: lib: test_kasan: add some testcases Add some out of bounds testcases to test_kasan module. Signed-off-by: Wang Long <long.wanglong@xxxxxxxxxx> Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Vladimir Murzin <vladimir.murzin@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/test_kasan.c | 69 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff -puN lib/test_kasan.c~lib-test_kasan-add-some-testcases lib/test_kasan.c --- a/lib/test_kasan.c~lib-test_kasan-add-some-testcases +++ a/lib/test_kasan.c @@ -138,6 +138,71 @@ static noinline void __init kmalloc_oob_ kfree(ptr2); } +static noinline void __init kmalloc_oob_memset_2(void) +{ + char *ptr; + size_t size = 8; + + pr_info("out-of-bounds in memset2\n"); + ptr = kmalloc(size, GFP_KERNEL); + if (!ptr) { + pr_err("Allocation failed\n"); + return; + } + + memset(ptr+7, 0, 2); + kfree(ptr); +} + +static noinline void __init kmalloc_oob_memset_4(void) +{ + char *ptr; + size_t size = 8; + + pr_info("out-of-bounds in memset4\n"); + ptr = kmalloc(size, GFP_KERNEL); + if (!ptr) { + pr_err("Allocation failed\n"); + return; + } + + memset(ptr+5, 0, 4); + kfree(ptr); +} + + +static noinline void __init kmalloc_oob_memset_8(void) +{ + char *ptr; + size_t size = 8; + + pr_info("out-of-bounds in memset8\n"); + ptr = kmalloc(size, GFP_KERNEL); + if (!ptr) { + pr_err("Allocation failed\n"); + return; + } + + memset(ptr+1, 0, 8); + kfree(ptr); +} + +static noinline void __init kmalloc_oob_memset_16(void) +{ + char *ptr; + size_t size = 16; + + pr_info("out-of-bounds in memset16\n"); + ptr = kmalloc(size, GFP_KERNEL); + if (!ptr) { + pr_err("Allocation failed\n"); + return; + } + + memset(ptr+1, 0, 16); + kfree(ptr); +} + static noinline void __init kmalloc_oob_in_memset(void) { char *ptr; @@ -264,6 +329,10 @@ static int __init kmalloc_tests_init(voi kmalloc_oob_krealloc_less(); kmalloc_oob_16(); kmalloc_oob_in_memset(); + kmalloc_oob_memset_2(); + kmalloc_oob_memset_4(); + kmalloc_oob_memset_8(); + kmalloc_oob_memset_16(); kmalloc_uaf(); kmalloc_uaf_memset(); kmalloc_uaf2(); _ Patches currently in -mm which might be from long.wanglong@xxxxxxxxxx are -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html