Valgrind unhandled instruction 0xD5380000 on Aarch64

Bug #1826811 reported by Jeffrey Walton on 2019-04-29
This bug affects 1 person
Affects Status Importance Assigned to Milestone
valgrind (Ubuntu)

Bug Description

I'm performing Valgrind testing on an ElPotato running Ubuntu Bionic Aarch64 image. My program is dying like in :

$ valgrind --track-origins=yes --suppressions=cryptopp.supp ./cryptest.exe v
==12969== Memcheck, a memory error detector
==12969== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==12969== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==12969== Command: ./cryptest.exe v
ARM64 front end: branch_etc
disInstr(arm64): unhandled instruction 0xD5380000
disInstr(arm64): 1101'0101 0011'1000 0000'0000 0000'0000
==12969== valgrind: Unrecognised instruction at address 0x4014c90.
==12969== at 0x4014C90: init_cpu_features (cpu-features.c:72)
==12969== by 0x4014C90: dl_platform_init (dl-machine.h:208)
==12969== by 0x4014C90: _dl_sysdep_start (dl-sysdep.c:231)
==12969== by 0x40018C3: _dl_start_final (rtld.c:414)
==12969== by 0x4001B47: _dl_start (rtld.c:523)
==12969== by 0x40011C7: ??? (in /lib/aarch64-linux-gnu/

Here's a similar Red Hat issue report: .

Please pickup the patch in the 381556 bug report.


$ lsb_release -rd
Description: Ubuntu 18.04.2 LTS
Release: 18.04

$ apt-cache policy valgrind
  Installed: 1:3.13.0-2ubuntu2.1
  Candidate: 1:3.13.0-2ubuntu2.1
  Version table:
 *** 1:3.13.0-2ubuntu2.1 500
        500 bionic-updates/main arm64 Packages
        100 /var/lib/dpkg/status
     1:3.13.0-2ubuntu2 500
        500 bionic/main arm64 Packages

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