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| author | Kees Cook <keescook@chromium.org> | 2021-06-16 14:48:19 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2022-02-13 16:50:06 -0800 |
| commit | 938a000e3f9bead24ea753286b3e4d2423275c9e (patch) | |
| tree | f3cdcabaea66b2f14b5488b6180cf552814b5aec /lib | |
| parent | f68f2ff91512c199ec24883001245912afc17873 (diff) | |
| download | linux-938a000e3f9bead24ea753286b3e4d2423275c9e.tar.gz linux-938a000e3f9bead24ea753286b3e4d2423275c9e.tar.bz2 linux-938a000e3f9bead24ea753286b3e4d2423275c9e.zip | |
fortify: Detect struct member overflows in memmove() at compile-time
As done for memcpy(), also update memmove() to use the same tightened
compile-time checks under CONFIG_FORTIFY_SOURCE.
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/test_fortify/read_overflow2_field-memmove.c | 5 | ||||
| -rw-r--r-- | lib/test_fortify/write_overflow_field-memmove.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/test_fortify/read_overflow2_field-memmove.c b/lib/test_fortify/read_overflow2_field-memmove.c new file mode 100644 index 000000000000..6cc2724c8f62 --- /dev/null +++ b/lib/test_fortify/read_overflow2_field-memmove.c @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only +#define TEST \ + memmove(large, instance.buf, sizeof(instance.buf) + 1) + +#include "test_fortify.h" diff --git a/lib/test_fortify/write_overflow_field-memmove.c b/lib/test_fortify/write_overflow_field-memmove.c new file mode 100644 index 000000000000..377fcf9bb2fd --- /dev/null +++ b/lib/test_fortify/write_overflow_field-memmove.c @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only +#define TEST \ + memmove(instance.buf, large, sizeof(instance.buf) + 1) + +#include "test_fortify.h" |