RHBA-2015:2259 - Bug Fix Advisory

Topic

Updated valgrind packages that fix several bugs are now available for Red Hat Enterprise Linux 7.

Description

The valgrind packages provide the Valgrind programming tool that helps detect memory-management problems in programs. Valgrind is used for debugging memory, detecting memory leaks, and profiling.

This update fixes the following bugs:

• Previously, Valgrind did not recognize various system calls on certain architectures. As a consequence, programs using these system calls on affected architectures generated a warning message when run under Valgrind. This update fixes recognizing of the following system calls:
• sendmmsg() and recvmmsg() on PowerPC and IBM S/390 (BZ#1192103)
• setuid() and setresgid() on the 64-bit ARM architecture (BZ#1251181)
• setgid() on the 64-bit ARM architecture (BZ#1188622)
• sigpending() on 64-bit IBM Power Systems (BZ#1225964)
• accept4() on 64-bit IBM Power Systems and the 64-bit ARM architecture (BZ#1190660)
• mount() and umount() on the 64-bit ARM architecture (BZ#1193796)
• mbind(), get_mempolicy(), set_mempolicy(), flock(), msgget(), msgctl(), msgrcv(), and msgsnd() on the 64-bit ARM architecture (BZ#1188623)
• The Valgrind memcheck tool did not recognize certain instruction patterns to perform conditional branches on IBM System z. As a consequence, a program using an instruction sequence of "tg" + "jl" (jump if < 0, which is equivalent to "jump when highest bit set") could cause a warning message "Conditional jump or move depends on uninitialised value". This bug has been fixed, and Valgrind now recognizes this instruction sequence and correctly assumes that such a branch only depends on the highest bit being defined. (BZ#1190169)
• Valgrind was unable to emulate the IBM System z fiebra instruction. Consequently, programs using the fiebra instruction could terminate unexpectedly when run under Valgrind. With this update, Valgrind correctly recognizes the IBM System z fiebra instruction, and the described problem no longer occurs. (BZ#1181993)
• Previously, Valgrind did not properly handle the AT_DCACHESIZE and AT_HWCAP2 auxiliary vector entries when used on 64-bit IBM Power Systems. Consequently, programs that depend on the values of AT_DCACHESIZE or AT_HWCAP2 (for example, to determine the hardware capabilities of this architecture) were unable to run correctly under Valgrind. With this update, Valgrind handles both auxiliary vector entries correctly and passes the values through to the program running under Valgrind. As a result, programs that depend on those entries, such as qemu-kvm, now run correctly under Valgrind. (BZ#1249381)
• Note that Red Hat Enterprise Linux 7.2 supports only the Open MPI application binary interface (ABI) in version 1.10, which is incompatible with the previously shipped 1.6 version of the Open MPI ABI. As a consequence, programs that are built against the earlier version of Open MPI cannot be run under Valgrind included in Red Hat Enterprise Linux 7.2. Use the Red Hat Developer Toolset version of Valgrind for programs linked against Open MPI version 1.6. (BZ#1258841)

Users of valgrind are advised to upgrade to these updated packages, which fix these bugs.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.5 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.3 x86_64
• Red Hat Enterprise Linux Server - AUS 7.7 x86_64
• Red Hat Enterprise Linux Server - AUS 7.6 x86_64
• Red Hat Enterprise Linux Server - AUS 7.4 x86_64
• Red Hat Enterprise Linux Server - AUS 7.3 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.3 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux Server from RHUI 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.2 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.7 x86_64
• Red Hat Enterprise Linux Server - TUS 7.6 x86_64
• Red Hat Enterprise Linux Server - TUS 7.3 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux EUS Compute Node 7.7 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.5 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.4 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.3 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.4 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.3 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.3 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 1193796 - Unhandled mount/umount syscalls on aarch64
• BZ - 1225964 - Missing sigpending syscall support on ppc64
• BZ - 1237206 - valgrind wrongly discards memory regions
• BZ - 1247557 - Unable to rebuild valgrind on RHEL-7.2 - unsupported kernel
• BZ - 1251181 - [aarch64] unhandled syscall: setuid (146) and setresgid (149)
• BZ - 1257623 - valgrind testsuite is aborted due to bogus builtins in 32 bit mode

CVEs

(none)

References

• http://www.redhat.com/security/updates/classification/#normal