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Red Hat Bugzilla – Attachment 313394 Details for
Bug 457520
valgrind is complaining about getpwnam call.
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Valgrind output with -v qualifier and glibc-debuginfo installed
valgrind.out (text/plain), 8.42 KB, created by
Daniel Walsh
on 2008-08-04 19:20:09 UTC
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Description:
Valgrind output with -v qualifier and glibc-debuginfo installed
Filename:
MIME Type:
Creator:
Daniel Walsh
Created:
2008-08-04 19:20:09 UTC
Size:
8.42 KB
patch
obsolete
>==16664== Memcheck, a memory error detector. >==16664== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al. >==16664== Using LibVEX rev 1804, a library for dynamic binary translation. >==16664== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP. >==16664== Using valgrind-3.3.0, a dynamic binary instrumentation framework. >==16664== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al. >==16664== >--16664-- Command line >--16664-- ./t >--16664-- pwalsh >--16664-- Startup, with flags: >--16664-- -v >--16664-- Contents of /proc/version: >--16664-- Linux version 2.6.27-0.186.rc0.git15.fc10.x86_64 (mockbuild@x86-7) (gcc version 4.3.1 20080708 (Red Hat 4.3.1-4) (GCC) ) #1 SMP Sun Jul 27 05:10:33 EDT 2008 >--16664-- Arch and hwcaps: AMD64, amd64-sse2 >--16664-- Page sizes: currently 4096, max supported 4096 >--16664-- Valgrind library directory: /usr/lib64/valgrind >--16664-- Reading syms from /home/dwalsh/t (0x400000) >--16664-- Reading syms from /usr/lib64/valgrind/amd64-linux/memcheck (0x38000000) >--16664-- object doesn't have a dynamic symbol table >--16664-- Reading syms from /lib64/ld-2.8.90.so (0x3647400000) >--16664-- Reading debug info from /usr/lib/debug/lib64/ld-2.8.90.so.debug... >--16664-- ... CRC mismatch (computed 1a56e560 wanted d31b45a3) >--16664-- object doesn't have a symbol table >--16664-- Reading suppressions file: /usr/lib64/valgrind/default.supp >--16664-- Reading syms from /usr/lib64/valgrind/amd64-linux/vgpreload_core.so (0x4802000) >--16664-- Reading syms from /usr/lib64/valgrind/amd64-linux/vgpreload_memcheck.so (0x4A03000) >--16664-- Reading syms from /lib64/libc-2.8.90.so (0x3647800000) >--16664-- Reading debug info from /usr/lib/debug/lib64/libc-2.8.90.so.debug... >--16664-- ... CRC mismatch (computed 771f1ff4 wanted 58aa8090) >--16664-- object doesn't have a symbol table >--16664-- REDIR: 0x36478830b0 (rindex) redirected to 0x4a076f0 (rindex) >--16664-- REDIR: 0x364787ea00 (malloc) redirected to 0x4a072d0 (malloc) >--16664-- REDIR: 0x3647882be0 (strlen) redirected to 0x4a07b10 (strlen) >--16664-- REDIR: 0x36478842a0 (memchr) redirected to 0x4a07f10 (memchr) >--16664-- REDIR: 0x3647885f40 (memcpy) redirected to 0x4a07f60 (memcpy) >--16664-- REDIR: 0x3647888d20 (strchrnul) redirected to 0x4a088a0 (strchrnul) >--16664-- REDIR: 0x3647885600 (mempcpy) redirected to 0x4a08900 (mempcpy) >--16664-- REDIR: 0x364787c470 (free) redirected to 0x4a05fd0 (free) >--16664-- REDIR: 0x3647882650 (strcmp) redirected to 0x4a07df0 (strcmp) >--16664-- REDIR: 0x3647885c10 (stpcpy) redirected to 0x4a08560 (stpcpy) >--16664-- REDIR: 0x364787e660 (calloc) redirected to 0x4a050a0 (calloc) >==16664== Invalid read of size 8 >==16664== at 0x364741800E: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740B197: (within /lib64/ld-2.8.90.so) >==16664== by 0x36474078BF: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647408BEA: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647413334: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647412C1A: (within /lib64/ld-2.8.90.so) >==16664== by 0x364792569F: (within /lib64/libc-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647925806: __libc_dlopen_mode (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD23: __nss_lookup_function (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD8B: (within /lib64/libc-2.8.90.so) >==16664== Address 0x4c264d0 is 24 bytes inside a block of size 25 alloc'd >==16664== at 0x4A0739E: malloc (vg_replace_malloc.c:207) >==16664== by 0x36474053D1: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647408E06: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647413334: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647412C1A: (within /lib64/ld-2.8.90.so) >==16664== by 0x364792569F: (within /lib64/libc-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647925806: __libc_dlopen_mode (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD23: __nss_lookup_function (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD8B: (within /lib64/libc-2.8.90.so) >==16664== by 0x36478AA477: getpwnam_r (in /lib64/libc-2.8.90.so) >--16664-- Reading syms from /lib64/libnss_files-2.8.90.so (0x5025000) >--16664-- Reading debug info from /usr/lib/debug/lib64/libnss_files-2.8.90.so.debug... >--16664-- ... CRC mismatch (computed 32497228 wanted e55fd53e) >--16664-- object doesn't have a symbol table >--16664-- REDIR: 0x3647882690 (strcpy) redirected to 0x4a07b70 (strcpy) >--16664-- REDIR: 0x36478824a0 (index) redirected to 0x4a07810 (index) >pwalsh gid: 3271 >--16664-- Discarding syms at 0x5025000-0x5232000 in /lib64/libnss_files-2.8.90.so due to munmap() >==16664== >==16664== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 12 from 1) >==16664== >==16664== 1 errors in context 1 of 1: >==16664== Invalid read of size 8 >==16664== at 0x364741800E: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740B197: (within /lib64/ld-2.8.90.so) >==16664== by 0x36474078BF: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647408BEA: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647413334: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647412C1A: (within /lib64/ld-2.8.90.so) >==16664== by 0x364792569F: (within /lib64/libc-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647925806: __libc_dlopen_mode (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD23: __nss_lookup_function (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD8B: (within /lib64/libc-2.8.90.so) >==16664== Address 0x4c264d0 is 24 bytes inside a block of size 25 alloc'd >==16664== at 0x4A0739E: malloc (vg_replace_malloc.c:207) >==16664== by 0x36474053D1: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647408E06: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647413334: (within /lib64/ld-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647412C1A: (within /lib64/ld-2.8.90.so) >==16664== by 0x364792569F: (within /lib64/libc-2.8.90.so) >==16664== by 0x364740E745: (within /lib64/ld-2.8.90.so) >==16664== by 0x3647925806: __libc_dlopen_mode (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD23: __nss_lookup_function (in /lib64/libc-2.8.90.so) >==16664== by 0x36478FCD8B: (within /lib64/libc-2.8.90.so) >==16664== by 0x36478AA477: getpwnam_r (in /lib64/libc-2.8.90.so) >--16664-- >--16664-- supp: 12 dl-hack3-1 >==16664== >==16664== IN SUMMARY: 1 errors from 1 contexts (suppressed: 12 from 1) >==16664== >==16664== malloc/free: in use at exit: 0 bytes in 0 blocks. >==16664== malloc/free: 47 allocs, 47 frees, 5,192 bytes allocated. >==16664== >==16664== All heap blocks were freed -- no leaks are possible. >--16664-- memcheck: sanity checks: 0 cheap, 1 expensive >--16664-- memcheck: auxmaps: 60 auxmap entries (3840k, 3M) in use >--16664-- memcheck: auxmaps_L1: 3981 searches, 21794 cmps, ratio 54:10 >--16664-- memcheck: auxmaps_L2: 77 searches, 60 nodes >--16664-- memcheck: SMs: n_issued = 16 (256k, 0M) >--16664-- memcheck: SMs: n_deissued = 0 (0k, 0M) >--16664-- memcheck: SMs: max_noaccess = 524287 (8388592k, 8191M) >--16664-- memcheck: SMs: max_undefined = 0 (0k, 0M) >--16664-- memcheck: SMs: max_defined = 151 (2416k, 2M) >--16664-- memcheck: SMs: max_non_DSM = 16 (256k, 0M) >--16664-- memcheck: max sec V bit nodes: 1 (0k, 0M) >--16664-- memcheck: set_sec_vbits8 calls: 1 (new: 1, updates: 0) >--16664-- memcheck: max shadow mem size: 4400k, 4M >--16664-- translate: fast SP updates identified: 1,627 ( 85.2%) >--16664-- translate: generic_known SP updates identified: 195 ( 10.2%) >--16664-- translate: generic_unknown SP updates identified: 87 ( 4.5%) >--16664-- tt/tc: 5,140 tt lookups requiring 5,223 probes >--16664-- tt/tc: 5,140 fast-cache updates, 3 flushes >--16664-- transtab: new 2,452 (54,691 -> 912,511; ratio 166:10) [0 scs] >--16664-- transtab: dumped 0 (0 -> ??) >--16664-- transtab: discarded 57 (1,007 -> ??) >--16664-- scheduler: 51,363 jumps (bb entries). >--16664-- scheduler: 0/2,860 major/minor sched events. >--16664-- sanity: 1 cheap, 1 expensive checks. >--16664-- exectx: 769 lists, 43 contexts (avg 0 per list) >--16664-- exectx: 107 searches, 66 full compares (616 per 1000) >--16664-- exectx: 0 cmp2, 66 cmp4, 0 cmpAll >--16664-- errormgr: 13 supplist searches, 40 comparisons during search >--16664-- errormgr: 13 errlist searches, 78 comparisons during search
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