Timothe Litt via curl-library <curl-library@lists.haxx.se> wrote on 2022-09-25 at 08:07:19:
> The 56 exit code is the "Recv failure: Connection reset by peer" from
> curl.
>
> valgrind might affect timing.
I suspect the same.
> If you expect anyone to look into this, you probably should post the
> valgrind log (log/valgrind1452) to see what it is doing, and
> log/telnet_server.log to see why the telnet server is closing the
> connection...
fk@t520 ~/git/curl/tests $cat log/telnet_server.log
2022-09-25 16:08:31,265 INFO [NTEL] Listening on ('localhost', 32151)
> Also consider replacing the --quiet with --verbose to see more of
> valgrind is doing.
I did that:
fk@t520 ~/git/curl/tests $cat log/valgrind1452
==40053== Memcheck, a memory error detector
==40053== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==40053== Using Valgrind-3.20.0.GIT-unknown and LibVEX; rerun with -h for
copyright info
==40053== Command: ../src/curl --include --trace-ascii log/trace1452
--trace-time telnet://127.0.0.1:32151 --upload-file -
==40053== Parent PID: 57394
==40053==
--40053--
--40053-- Valgrind options:
--40053-- --tool=memcheck
--40053-- --verbose
--40053-- --leak-check=yes
--40053-- --suppressions=./valgrind.supp
--40053-- --num-callers=16
--40053-- --log-file=log/valgrind1452
--40053-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-rdtscp-sse3-ssse3-avx
--40053-- Page sizes: currently 4096, max supported 4096
--40053-- Valgrind library directory: /usr/local/libexec/valgrind
--40053-- Reading syms from /home/fk/git/curl/src/curl
--40053-- Set osrel for current process with value 1301506
--40053-- Reading syms from /libexec/ld-elf.so.1
--40053-- Considering /usr/lib/debug/libexec/ld-elf.so.1.debug ..
--40053-- .. CRC is valid
--40053-- object doesn't have a symbol table
--40053-- Scheduler: using generic scheduler lock implementation.
--40053-- Reading suppressions file: ./valgrind.supp
--40053-- Reading suppressions file: /usr/local/libexec/valgrind/default.supp
==40053== embedded gdbserver: reading from
/tmp/vgdb-pipe-from-vgdb-to-40053-by-fk-on-???
==40053== embedded gdbserver: writing to
/tmp/vgdb-pipe-to-vgdb-from-40053-by-fk-on-???
==40053== embedded gdbserver: shared mem
/tmp/vgdb-pipe-shared-mem-vgdb-40053-by-fk-on-???
==40053==
==40053== TO CONTROL THIS PROCESS USING vgdb (which you probably
==40053== don't want to do, unless you know exactly what you're doing,
==40053== or are doing some strange experiment):
==40053== /usr/local/libexec/valgrind/../../bin/vgdb --pid=40053 ...command...
==40053==
==40053== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==40053== /path/to/gdb ../src/curl
==40053== and then give GDB the following command
==40053== target remote | /usr/local/libexec/valgrind/../../bin/vgdb
--pid=40053
==40053== --pid is optional if only one valgrind process is running
==40053==
--40053-- Reading syms from
/usr/local/libexec/valgrind/vgpreload_core-amd64-freebsd.so
--40053-- object doesn't have a symbol table
--40053-- Reading syms from
/usr/local/libexec/valgrind/vgpreload_memcheck-amd64-freebsd.so
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libnghttp2.so.14.22.0
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libidn2.so.0.3.7
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libpsl.so.5.3.3
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libssl.so.11
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libcrypto.so.11
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /lib/libz.so.6
--40053-- Considering /usr/lib/debug/lib/libz.so.6.debug ..
--40053-- .. CRC is valid
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /lib/libthr.so.3
--40053-- Considering /usr/lib/debug/lib/libthr.so.3.debug ..
--40053-- .. CRC is valid
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /lib/libc.so.7
--40053-- Considering /usr/lib/debug/lib/libc.so.7.debug ..
--40053-- .. CRC is valid
--40053-- object doesn't have a symbol table
--40053-- Reading syms from /usr/local/lib/libunistring.so.2.2.0
--40053-- object doesn't have a symbol table
--40053-- REDIR: 0x4df0dc0 (libc.so.7:memset) redirected to 0x4854800 (memset)
--40053-- REDIR: 0x4e622b0 (libc.so.7:strncmp) redirected to 0x4852630 (strncmp)
--40053-- REDIR: 0x4df08e0 (libc.so.7:memcpy) redirected to 0x4852cf0 (memcpy)
--40053-- REDIR: 0x4df1080 (libc.so.7:strlen) redirected to 0x4851910 (strlen)
--40053-- REDIR: 0x4e10100 (libc.so.7:calloc) redirected to 0x4850000 (calloc)
--40053-- REDIR: 0x4e0f2b0 (libc.so.7:malloc) redirected to 0x484cb30 (malloc)
--40053-- REDIR: 0x4e61c70 (libc.so.7:strcpy) redirected to 0x4851970 (strcpy)
--40053-- REDIR: 0x4e12180 (libc.so.7:free) redirected to 0x484e7b0 (free)
--40053-- REDIR: 0x4e61850 (libc.so.7:index) redirected to 0x4851090 (index)
--40053-- REDIR: 0x4e61520 (libc.so.7:strcasecmp) redirected to 0x4852720
(strcasecmp)
--40053-- REDIR: 0x4e109c0 (libc.so.7:realloc) redirected to 0x48502f0 (realloc)
--40053-- REDIR: 0x4e620b0 (libc.so.7:strlcpy) redirected to 0x4852500 (strlcpy)
--40053-- REDIR: 0x4df1000 (libc.so.7:strcmp) redirected to 0x4852ba0 (strcmp)
--40053-- REDIR: 0x4e62020 (libc.so.7:strlcat) redirected to 0x4851600 (strlcat)
--40053-- REDIR: 0x4e60b30 (libc.so.7:memchr) redirected to 0x4852c90 (memchr)
--40053-- REDIR: 0x4e616c0 (libc.so.7:strncasecmp) redirected to 0x4852850
(strncasecmp)
--40053-- REDIR: 0x4df0ed0 (libc.so.7:strcat) redirected to 0x4851150 (strcat)
--40053-- REDIR: 0x4df0570 (libc.so.7:bcmp) redirected to 0x48542f0 (bcmp)
--40053-- REDIR: 0x4e61c90 (libc.so.7:strcspn) redirected to 0x4857380 (strcspn)
--40053-- REDIR: 0x4e622f0 (libc.so.7:strncpy) redirected to 0x4851bb0 (strncpy)
--40053-- REDIR: 0x4e624a0 (libc.so.7:rindex) redirected to 0x4850fc0 (rindex)
--40053-- REDIR: 0x4df06d0 (libc.so.7:memcmp) redirected to 0x4854280 (memcmp)
==40053==
==40053== HEAP SUMMARY:
==40053== in use at exit: 238,075 bytes in 20 blocks
==40053== total heap usage: 4,106 allocs, 4,086 frees, 1,171,729 bytes
allocated
==40053==
==40053== Searching for pointers to 20 not-freed blocks
==40053== Checked 11,417,136 bytes
==40053==
==40053== LEAK SUMMARY:
==40053== definitely lost: 0 bytes in 0 blocks
==40053== indirectly lost: 0 bytes in 0 blocks
==40053== possibly lost: 0 bytes in 0 blocks
==40053== still reachable: 107,003 bytes in 19 blocks
==40053== suppressed: 131,072 bytes in 1 blocks
==40053== Reachable blocks (those to which a pointer was found) are not shown.
==40053== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==40053==
==40053== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
--40053--
--40053-- used_suppression: 1 MEMCHECK-LIBX-REACHABLE-2
/usr/local/libexec/valgrind/default.supp:603 suppressed: 131,072 bytes in 1
blocks
==40053==
==40053== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
Fabian
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