[Bug malloc/25401] pvalloc must not have __attribute_alloc_size__

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25401

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Florian Weimer <fw@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=768c83b7f60d82db6677e19dc51be9f341e0f3fc

commit 768c83b7f60d82db6677e19dc51be9f341e0f3fc
Author: Florian Weimer <fweimer@redhat.com>
Date:   Fri Jan 17 15:05:34 2020 +0100

    Remove incorrect alloc_size attribute from pvalloc [BZ #25401]

    pvalloc is guarantueed to round up the allocation size to the page
    size, so applications can assume that the memory region is larger
    than the passed-in argument.  The alloc_size attribute cannot express
    that.

    The test case is based on a suggestion from Jakub Jelinek.

    This fixes commit 9bf8e29ca136094f73f69f725f15c51facc97206 ("malloc:
    make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741)").

    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

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