Bug 440921 - disInstr(arm64): unhandled instruction 0x4CDFA041
Summary: disInstr(arm64): unhandled instruction 0x4CDFA041
Status: RESOLVED DUPLICATE of bug 476465
Alias: None
Product: valgrind
Classification: Developer tools
Component: memcheck (other bugs)
Version First Reported In: 3.10 SVN
Platform: Android Android 5.x
: NOR grave
Target Milestone: ---
Assignee: Julian Seward
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-08-13 09:30 UTC by RockLi
Modified: 2025-07-17 19:56 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:


Attachments
valgrind.log (41.02 KB, text/x-log)
2021-08-13 09:30 UTC, RockLi
Details

Note You need to log in before you can comment on or make changes to this bug.
Description RockLi 2021-08-13 09:30:30 UTC
Created attachment 140687 [details]
valgrind.log

==1223== Memcheck, a memory error detector
==1223== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==1223== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright info
==1223== Command: /system/bin/surfaceflingertest
==1223== Parent PID: 986
==1223== 
ARM64 front end: load_store
disInstr(arm64): unhandled instruction 0x4CDFA041
disInstr(arm64): 0100'1100 1101'1111 1010'0000 0100'0001
==1223== valgrind: Unrecognised instruction at address 0x40079f0.
==1223==    at 0x40079F0: __dl_strchr (in /system/bin/linker64)
==1223==    by 0x4004DA7: __dl__ZL14find_librariesPKPKcmPP6soinfoS5_miPK17android_dlextinfo (in /system/bin/linker64)
==1223==    by 0x4005CC3: __dl___linker_init (in /system/bin/linker64)




root@g0009h:/ # cat /proc/cpuinfo
Processor	: AArch64 Processor rev 3 (aarch64)
processor	: 0
BogoMIPS	: 26.00

Features	: fp asimd aes pmull sha1 sha2 crc32 
CPU implementer	: 0x41
CPU architecture: AArch64
CPU variant	: 0x0
CPU part	: 0xd03
CPU revision	: 3

Hardware	: MT6735
Comment 1 RockLi 2021-08-13 09:57:36 UTC
Reproducible: Always
Comment 2 Samuel Bronson 2025-07-17 19:56:07 UTC
This looks like a dupe of bug 476465 to me

*** This bug has been marked as a duplicate of bug 476465 ***