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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /lib/test_kasan.c | |
parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'lib/test_kasan.c')
-rw-r--r-- | lib/test_kasan.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/test_kasan.c b/lib/test_kasan.c index c1efb1b610179..c32f3b0048dc8 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -138,6 +138,71 @@ static noinline void __init kmalloc_oob_16(void) 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(void) 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(); |