| Summary: | vex amd64->IR: unhandled instruction bytes: 0x8F 0xEA 0xF8 0x10 0xED 0x7 0x20 0x0 0x0 0x48 | ||
|---|---|---|---|
| Product: | [Developer tools] valgrind | Reporter: | tastytea <kde> |
| Component: | general | Assignee: | Julian Seward <jseward> |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | CC: | tom |
| Priority: | NOR | ||
| Version: | 3.18.1 | ||
| Target Milestone: | --- | ||
| Platform: | Gentoo Packages | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
*** This bug has been marked as a duplicate of bug 339596 *** |
SUMMARY *** I'm getting this error with most programs. I have berified it with grep, nheko, gcolor2, ranger and ncmpcpp. I do not get this error with echo, less and tail. *** STEPS TO REPRODUCE 1. Run `valgrind grep 'a' /etc/issue` 2. Observe crash OBSERVED RESULT ==3596== Memcheck, a memory error detector ==3596== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==3596== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info ==3596== Command: grep a /etc/issue ==3596== vex amd64->IR: unhandled instruction bytes: 0x8F 0xEA 0xF8 0x10 0xC9 0x3 0x1D 0x0 0x0 0xF3 vex amd64->IR: REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0 vex amd64->IR: VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=NONE vex amd64->IR: PFX.66=0 PFX.F2=0 PFX.F3=0 ==3596== valgrind: Unrecognised instruction at address 0x11cf93. ==3596== at 0x11CF93: memset (string_fortified.h:59) ==3596== by 0x11CF93: dfasyntax (dfa.c:4321) ==3596== by 0x10E1D9: GEAcompile (dfasearch.c:199) ==3596== by 0x10D565: main (grep.c:2954) ==3596== Your program just tried to execute an instruction that Valgrind […] ==3596== probably kill your program. ==3596== ==3596== Process terminating with default action of signal 4 (SIGILL): dumping core ==3596== Illegal opcode at address 0x11CF93 ==3596== at 0x11CF93: memset (string_fortified.h:59) ==3596== by 0x11CF93: dfasyntax (dfa.c:4321) ==3596== by 0x10E1D9: GEAcompile (dfasearch.c:199) ==3596== by 0x10D565: main (grep.c:2954) ==3596== ==3596== HEAP SUMMARY: ==3596== in use at exit: 15,741 bytes in 70 blocks ==3596== total heap usage: 86 allocs, 16 frees, 21,812 bytes allocated ==3596== ==3596== LEAK SUMMARY: ==3596== definitely lost: 0 bytes in 0 blocks ==3596== indirectly lost: 0 bytes in 0 blocks ==3596== possibly lost: 0 bytes in 0 blocks ==3596== still reachable: 15,741 bytes in 70 blocks ==3596== suppressed: 0 bytes in 0 blocks ==3596== Rerun with --leak-check=full to see details of leaked memory ==3596== ==3596== For lists of detected and suppressed errors, rerun with: -s ==3596== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) SOFTWARE/OS VERSIONS Linux/KDE Plasma: Gentoo Linux KDE Plasma Version: n/a KDE Frameworks Version: n/a Qt Version: 5.15.2 ADDITIONAL INFORMATION CPU information: Vendor ID: AuthenticAMD Model name: AMD A10-9700 RADEON R7, 10 COMPUTE CORES 4C+6G CPU family: 21 Model: 101