[Bug 1763094] Update Released
Łukasz Zemczak
1763094 at bugs.launchpad.net
Thu Sep 27 19:54:59 UTC 2018
The verification of the Stable Release Update for binutils has completed
successfully and the package has now been released to -updates.
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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 Committed
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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