[PATCH] [msan] Intercept *getxattr and *listxattr.

[Alexander Potapenko]

Dima has removed tsan_stat.*, hasn't he?

On Wed, Jan 29, 2014 at 1:04 PM, Evgeniy Stepanov <eugenis at google.com> wrote:
>
>   You need to update tsan_stat.h and tsan_stat.cc. Run check-tsan to verify.
>
>
> ================
> Comment at: lib/sanitizer_common/sanitizer_common_interceptors.inc:3074
> @@ +3073,3 @@
> +  COMMON_INTERCEPTOR_ENTER(ctx, listxattr, path, list, size);
> +  COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path));
> +  SSIZE_T res = REAL(listxattr)(path, list, size);
> ----------------
> if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, REAL(strlen)(path) + 1);
>
>
> ================
> Comment at: lib/sanitizer_common/sanitizer_common_interceptors.inc:3076
> @@ +3075,3 @@
> +  SSIZE_T res = REAL(listxattr)(path, list, size);
> +  if (res >= 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, size);
> +  return res;
> ----------------
> if (res  > 0 && list)
>
> size => res
>
>
> http://llvm-reviews.chandlerc.com/D2642
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-- 
Alexander Potapenko
Software Engineer
Google Moscow