On Mon, Nov 15, 2021 at 05:44:33PM +0100, Marco Elver wrote:

On Mon, Nov 15, 2021 at 05:12PM +0100, Geert Uytterhoeven wrote:
[...]

quoted

quoted

  + /kisskb/src/include/linux/fortify-string.h: error: call to '__read_overflow' declared with attribute error: detected read beyond size of object (1st parameter):  => 263:25, 277:17

    in lib/test_kasan.c

s390-all{mod,yes}config
arm64-allmodconfig (gcc11)

Kees, wasn't that what [1] was meant to fix?
[1] https://lkml.kernel.org/r/20211006181544.1670992-1-keescook@chromium.org

Ah, I found it:

http://kisskb.ellerman.id.au/kisskb/buildresult/14660585/log/

it's actually:

    inlined from 'kasan_memcmp' at /kisskb/src/lib/test_kasan.c:897:2:

and

    inlined from 'kasan_memchr' at /kisskb/src/lib/test_kasan.c:872:2:

I can send a patch doing the same as what [1] does for these cases too.

-- 
Kees Cook

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