[Bug 1826811] [NEW] Valgrind unhandled instruction 0xD5380000 on Aarch64

[Jeffrey Walton]

Public bug reported:

I'm performing Valgrind testing on an ElPotato running Ubuntu Bionic
Aarch64 image. My program is dying like in
https://bugs.kde.org/show_bug.cgi?id=381556 :


```
$ 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
==12969==
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/ld-2.27.so)
...
```

Here's a similar Red Hat issue report:
https://bugzilla.redhat.com/show_bug.cgi?id=1467952 .

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
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 http://ports.ubuntu.com bionic-updates/main arm64 Packages
        100 /var/lib/dpkg/status
     1:3.13.0-2ubuntu2 500
        500 http://ports.ubuntu.com bionic/main arm64 Packages

** Affects: valgrind (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to valgrind in Ubuntu.
https://bugs.launchpad.net/bugs/1826811

Title:
  Valgrind unhandled instruction 0xD5380000 on Aarch64

Status in valgrind package in Ubuntu:
  New

Bug description:
  I'm performing Valgrind testing on an ElPotato running Ubuntu Bionic
  Aarch64 image. My program is dying like in
  https://bugs.kde.org/show_bug.cgi?id=381556 :

  
  ```
  $ 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
  ==12969==
  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/ld-2.27.so)
  ...
  ```

  Here's a similar Red Hat issue report:
  https://bugzilla.redhat.com/show_bug.cgi?id=1467952 .

  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
  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 http://ports.ubuntu.com bionic-updates/main arm64 Packages
          100 /var/lib/dpkg/status
       1:3.13.0-2ubuntu2 500
          500 http://ports.ubuntu.com bionic/main arm64 Packages

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/valgrind/+bug/1826811/+subscriptions