[Bug libdw/28660] ASan seems to complain about a "heap-buffer-overflow"

mark at klomp dot org sourceware-bugzilla@sourceware.org
Thu Dec 16 21:36:34 GMT 2021


Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Mark Wielaard <mark at klomp dot org> ---
Thanks for testing. Pushed as:

commit 3c9b69161b842708b4ef2f4e0f0b3ad1812798c2
Author: Mark Wielaard <mark@klomp.org>
Date:   Thu Dec 16 00:29:22 2021 +0100

    libdwfl: Make sure phent is sane and there is at least one phdr

    dwfl_link_map_report can only handle program headers that are the
    correct (32 or 64 bit) size. The buffer read in needs to contain room
    for at least one Phdr.


    Signed-off-by: Mark Wielaard <mark@klomp.org>

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