[Bug 1556765] Re: Valgrind command valgrind /bin/true shows error
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Sat Apr 2 00:11:12 UTC 2016
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On 2016-03-31T10:40:00+00:00 Arnez wrote:
Something like this may be seen with a binary compiled for zEC12 (or higher):
vex s390->IR: unimplemented insn: EC12 2021 1E59
This is because Valgrind currently doesn't implement the RISBGN instruction.
Note that RISBGN has the same effect as RISBG, except that it doesn't
set the condition code.
Reproducible: Always
Reply at:
https://bugs.launchpad.net/ubuntu/+source/valgrind/+bug/1556765/comments/2
------------------------------------------------------------------------
On 2016-04-01T15:56:18+00:00 Arnez wrote:
Created attachment 98188
Support RISBGN
Reply at:
https://bugs.launchpad.net/ubuntu/+source/valgrind/+bug/1556765/comments/3
** Changed in: valgrind
Status: Unknown => New
** Changed in: valgrind
Importance: Unknown => Medium
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https://bugs.launchpad.net/bugs/1556765
Title:
Valgrind command valgrind /bin/true shows error
Status in Valgrind:
New
Status in valgrind package in Ubuntu:
Fix Released
Bug description:
Problem Description
=============================
Linux s83lp18 4.4.0-8-generic #23-Ubuntu SMP Wed Feb 24 20:46:00 UTC 2016 s390x s390x s390x GNU/Linux
root at s83lp18:~#
testing valgrind &sbin/true
see the following output
oot at s83lp18:~# valgrind -v /bin/true
==17675== Memcheck, a memory error detector
==17675== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==17675== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==17675== Command: /bin/true
==17675==
--17675-- Valgrind options:
--17675-- -v
--17675-- Contents of /proc/version:
--17675-- Linux version 4.4.0-8-generic (buildd at z13-012) (gcc version 5.3.1 20160222 (Ubuntu 5.3.1-9ubuntu3) ) #23-Ubuntu SMP Wed Feb 24 20:46:00 UTC 2016
--17675--
--17675-- Arch and hwcaps: S390X, BigEndian, s390x-ldisp-eimm-gie-dfp-fgx-stfle-etf2-etf3-stckf-fpext-lsc-pfpo
--17675-- Page sizes: currently 4096, max supported 4096
--17675-- Valgrind library directory: /usr/lib/valgrind
--17675-- Reading syms from /bin/true
--17675-- object doesn't have a symbol table
--17675-- Reading syms from /lib/s390x-linux-gnu/ld-2.21.so
--17675-- Considering /lib/s390x-linux-gnu/ld-2.21.so ..
--17675-- .. CRC mismatch (computed 99d02d14 wanted 6c51b780)
--17675-- Considering /usr/lib/debug/lib/s390x-linux-gnu/ld-2.21.so ..
--17675-- .. CRC is valid
--17675-- Reading syms from /usr/lib/valgrind/memcheck-s390x-linux
--17675-- Considering /usr/lib/valgrind/memcheck-s390x-linux ..
--17675-- .. CRC mismatch (computed 3155372b wanted dc3e5eba)
--17675-- object doesn't have a symbol table
--17675-- object doesn't have a dynamic symbol table
--17675-- Scheduler: using generic scheduler lock implementation.
--17675-- Reading suppressions file: /usr/lib/valgrind/default.supp
==17675== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-to-17675-by-root-on-???
==17675== embedded gdbserver: writing to /tmp/vgdb-pipe-to-vgdb-from-17675-by-root-on-???
==17675== embedded gdbserver: shared mem /tmp/vgdb-pipe-shared-mem-vgdb-17675-by-root-on-???
==17675==
==17675== TO CONTROL THIS PROCESS USING vgdb (which you probably
==17675== don't want to do, unless you know exactly what you're doing,
==17675== or are doing some strange experiment):
==17675== /usr/lib/valgrind/../../bin/vgdb --pid=17675 ...command...
==17675==
==17675== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==17675== /path/to/gdb /bin/true
==17675== and then give GDB the following command
==17675== target remote | /usr/lib/valgrind/../../bin/vgdb --pid=17675
==17675== --pid is optional if only one valgrind process is running
==17675==
--17675-- REDIR: 0x401cbf0 (ld64.so.1:index) redirected to 0x80005cca2 (???)
--17675-- Reading syms from /usr/lib/valgrind/vgpreload_core-s390x-linux.so
--17675-- Considering /usr/lib/valgrind/vgpreload_core-s390x-linux.so ..
--17675-- .. CRC mismatch (computed a1d0e18d wanted dbd7ebd0)
--17675-- object doesn't have a symbol table
--17675-- Reading syms from /usr/lib/valgrind/vgpreload_memcheck-s390x-linux.so
--17675-- Considering /usr/lib/valgrind/vgpreload_memcheck-s390x-linux.so ..
--17675-- .. CRC mismatch (computed 7d9de5b1 wanted eb7591b6)
--17675-- object doesn't have a symbol table
--17675-- Reading syms from /lib/s390x-linux-gnu/libc-2.21.so
--17675-- Considering /lib/s390x-linux-gnu/libc-2.21.so ..
--17675-- .. CRC mismatch (computed 231040c9 wanted f909c225)
--17675-- Considering /usr/lib/debug/lib/s390x-linux-gnu/libc-2.21.so ..
--17675-- .. CRC is valid
--17675-- REDIR: 0x48ed788 (libc.so.6:memcpy) redirected to 0x4830760 (_vgnU_ifunc_wrapper)
==17675== Invalid read of size 8
==17675== at 0x483670A: ??? (in /usr/lib/valgrind/vgpreload_memcheck-s390x-linux.so)
==17675== by 0x40125A9: call_init.part.0 (dl-init.c:72)
==17675== by 0x401279B: call_init (dl-init.c:104)
==17675== by 0x401279B: _dl_init (dl-init.c:87)
==17675== by 0x400106B: ??? (in /lib/s390x-linux-gnu/ld-2.21.so)
==17675== Address 0xfff0003a0 is on thread 1's stack
==17675== 56 bytes below stack pointer
==17675==
--17675-- REDIR: 0x48e2ed8 (libc.so.6:rindex) redirected to 0x4839d08 (rindex)
--17675-- REDIR: 0x48de1c0 (libc.so.6:free) redirected to 0x4837ee0 (free)
==17675==
==17675== HEAP SUMMARY:
==17675== in use at exit: 0 bytes in 0 blocks
==17675== total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==17675==
==17675== All heap blocks were freed -- no leaks are possible
==17675==
==17675== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
==17675==
==17675== 1 errors in context 1 of 1:
==17675== Invalid read of size 8
==17675== at 0x483670A: ??? (in /usr/lib/valgrind/vgpreload_memcheck-s390x-linux.so)
==17675== by 0x40125A9: call_init.part.0 (dl-init.c:72)
==17675== by 0x401279B: call_init (dl-init.c:104)
==17675== by 0x401279B: _dl_init (dl-init.c:87)
==17675== by 0x400106B: ??? (in /lib/s390x-linux-gnu/ld-2.21.so)
==17675== Address 0xfff0003a0 is on thread 1's stack
==17675== 56 bytes below stack pointer
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