[Bug binutils/25070] SEGV in function _bfd_dwarf2_find_nearest_line

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25070

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=336bfbeb1848f4b9558456fdcf283ee8a32d7fd1

commit 336bfbeb1848f4b9558456fdcf283ee8a32d7fd1
Author: Alan Modra <address@hidden>
Date:   Wed Oct 9 10:47:13 2019 +1030

    PR25070, SEGV in function _bfd_dwarf2_find_nearest_line

    Evil testcase with two debug info sections, with sizes of 2aaaabac4ec1
    and ffffd5555453b140 result in a total size of 1.  Reading the first
    section of course overflows the buffer and tramples on other memory.

        PR 25070
        * dwarf2.c (_bfd_dwarf2_slurp_debug_info): Catch overflow of
        total_size calculation.

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