Bug 357338

Summary:	disInstr(arm64): unhandled instruction 0x5E140020
Product:	[Developer tools] valgrind	Reporter:	satyanarayana koneru <satyakoneru.iiith>
Component:	memcheck	Assignee:	Julian Seward <jseward>
Status:	RESOLVED FIXED
Severity:	grave	CC:	satyakoneru.iiith, tom
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Android
OS:	Other
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description satyanarayana koneru 2015-12-30 14:18:01 UTC

Android M - 6.0 Arm64
Valgrind - 3.11.0.SVN.aosp

Valgrind terminating for sha1h , sha1c etc ( sha*) with the below error all the time.

disInstr(arm64): unhandled instruction 0x5E140020
disInstr(arm64): 0101'1110 0001'0100 0000'0000 0010'0000


Reproducible: Always

Steps to Reproduce:
1. Build executable which loads libcrypto.so generated on Android 6.0
2. Run valgrind  ( valgrind < executable> )


Actual Results:  
Error occurs and process terminated.

Expected Results:  
Valgrind should not be terminated.

Assembly code with instructions at the below location.

https://android.googlesource.com/platform/external/boringssl/+/d9e397b599b13d642138480a28c14db7a136bf05/linux-aarch64/crypto/sha/sha1-armv8.S

Comment 1 Julian Seward 2016-07-18 06:36:08 UTC

Fixed (all SHA* instructions) in vex r3225, tests in valgrind r15908.