https://sourceware.org/bugzilla/show_bug.cgi?id=23528
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Mark Wielaard <mark at klomp dot org> ---
commit 56b18521fb8d46d40fc090c0de9d11a08bc982fa
Author: Mark Wielaard <[email protected]>
Date: Sat Aug 18 12:42:16 2018 +0200
libelf: Return error if elf_compress_gnu is used on SHF_COMPRESSED section.
Compressing a section that is already compressed is fine, but useless.
But it isn't possible to gnu compress (or decompress) a SHF_COMPRESSED
section since there is no state kept that would tell if the section was
first GNU compressed or first gabi compressed. Calling elf_compress_gnu
on a section and then calling elf_compress on it to decompress it twice
could cause a crash (the other way around is fine). Just disallow it.
https://sourceware.org/bugzilla/show_bug.cgi?id=23528
Signed-off-by: Mark Wielaard <[email protected]>
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