The problem is still present in 3.19.0-42-generic kernel. After bisecting code, I've found that problem was introduced by 06ec92f3bac598a7a9b9ecf451ab1915929a5980 commit - http://kernel.ubuntu.com/git/ubuntu/ubuntu-vivid.git/commit/?id=06ec92f3bac598a7a9b9ecf451ab1915929a5980
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-vivid in Ubuntu. https://bugs.launchpad.net/bugs/1527599 Title: applications compiled with tsan (-fsanitize=thread) option fail to start with 3.19.0-41-generic kernel Status in linux-lts-vivid package in Ubuntu: New Bug description: Consider the following code: # cat test.c int main() { return 0; } Now compile it with clang-3.5 and -fsanitize=thread option and run: # clang-3.5 -fsanitize=thread -fPIE -pie test.c # ./a.out FATAL: ThreadSanitizer can not mmap the shadow memory (something is mapped at 0x5650b0bb2000 < 0x7cf000000000) FATAL: Make sure to compile with -fPIE and to link with -pie. # cat /proc/sys/kernel/randomize_va_space 2 # uname -a Linux mikhin2 3.19.0-41-generic #46~14.04.2-Ubuntu SMP Tue Dec 8 17:46:10 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux This regression appears in 3.19.0-41-generic kernel. The example above runs fine (without FATAL errors) with previous 3.19.0-39-generic kernel. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.19.0-41-generic 3.19.0-41.46~14.04.2 ProcVersionSignature: Ubuntu 3.19.0-39.44~14.04.1-generic 3.19.8-ckt9 Uname: Linux 3.19.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: XFCE Date: Fri Dec 18 14:53:45 2015 InstallationDate: Installed on 2015-12-14 (4 days ago) InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) SourcePackage: linux-lts-vivid UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1527599/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

