This bug was fixed in the package binutils - 2.30-21ubuntu1~18.04
---------------
binutils (2.30-21ubuntu1~18.04) bionic-proposed; urgency=medium
* SRU: LP: #1769657
* Build cross packages for armel, armhf, arm64 on ppc64el.
binutils (2.30-21ubuntu1) cosmic; urgency=medium
* Merge with Debian; remaining changes:
- Build from upstream sources.
binutils (2.30-21) unstable; urgency=medium
* Update, taken from the 2.30 branch 20180529.
- x86-64: Add TLSDESC fields to elf_x86_lazy_plt_layout.
- PR binutils/23199, mark section in a section group with SHF_GROUP.
- PR ld/23194, x86: Don't set eh->local_ref to 1 for versioned symbol.
- PR ld/23189, x86: Don't set eh->local_ref to 1 for linker defined symbols.
- PR binutils/23199, Invalid SHT_GROUP entry leads to group confusion.
* Fix PR gprof/23056, memory corruption in gprof. LP: #1763098.
* Fix PR binutils/23054, memory corruption in as. LP: #1763096.
* Fix PR ld/23055, memory corruption in ld. LP: #1763094.
-- Matthias Klose <d...@ubuntu.com> Wed, 12 Sep 2018 17:38:08 +0200
** Changed in: binutils (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1763094
Title:
Multiple memory corruption in ld-new (binuitils-2.30-15ubuntu1)
Status in binutils package in Ubuntu:
Fix Released
Status in binutils source package in Bionic:
Fix Released
Bug description:
Dear all,
The following binutils ld-new memory corruptions were found by a modified
version of the kAFL fuzzer (https://github.com/RUB-SysSec/kAFL). I have
attached the crashing inputs and each ASAN report.
Steps to reproduce:
Build current verison of binutils:
```
pull-lp-source binutils
cd binutils-2.30
CC=clang CXX=clang++ CFLAGS="-fsanitize=address -fsanitize-recover=address
-ggdb" CXXFLAGS="-fsanitize=address -fsanitize-recover=address -ggdb"
LDFLAGS="-fsanitize=address" ./configure
CC=clang CXX=clang++ CFLAGS="-fsanitize=address -fsanitize-recover=address
-ggdb" CXXFLAGS="-fsanitize=address
-fsanitize-recover=address -ggdb" LDFLAGS="-fsanitize=address" make
```
Run inputs under ASAN:
```
ASAN_OPTIONS=halt_on_error=false:allow_addr2line=true ./ld-new $file
```
We can verify those issues for ld-new binuitils-2.30-15ubuntu1 (Ubuntu
16.04.4 LTS / sources from "pull-lp-source bintuils").
Credits: Sergej Schumilo, Cornelius Aschermann (both of Ruhr-
Universität Bochum)
Best regards,
Sergej Schumilo
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