==25435== Memcheck, a memory error detector ==25435== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. ==25435== Using Valgrind-3.9.0 and LibVEX; rerun with -h for copyright info ==25435== Command: /home/nax/macools/bin/x86_64-apple-darwin-objcopy --redefine-sym _hello1=_hoho /home/nax/Downloads/test\ (2).o ==25435== Parent PID: 23854 ==25435== --25435-- --25435-- Valgrind options: --25435-- -v --25435-- --leak-check=full --25435-- --log-file=valgrind.log --25435-- Contents of /proc/version: --25435-- Linux version 3.13.7-1-ARCH (nobody@var-lib-archbuild-extra-x86_64-thomas) (gcc version 4.8.2 20140206 (prerelease) (GCC) ) #1 SMP PREEMPT Mon Mar 24 20:06:08 CET 2014 --25435-- Arch and hwcaps: AMD64, amd64-cx16-rdtscp-sse3-avx --25435-- Page sizes: currently 4096, max supported 4096 --25435-- Valgrind library directory: /usr/lib/valgrind --25435-- Reading syms from /home/nax/macools/bin/x86_64-apple-darwin-objcopy --25435-- Reading syms from /usr/lib/ld-2.19.so --25435-- Reading syms from /usr/lib/valgrind/memcheck-amd64-linux --25435-- object doesn't have a symbol table --25435-- object doesn't have a dynamic symbol table --25435-- Scheduler: using generic scheduler lock implementation. --25435-- Reading suppressions file: /usr/lib/valgrind/default.supp ==25435== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-to-25435-by-nax-on-??? ==25435== embedded gdbserver: writing to /tmp/vgdb-pipe-to-vgdb-from-25435-by-nax-on-??? ==25435== embedded gdbserver: shared mem /tmp/vgdb-pipe-shared-mem-vgdb-25435-by-nax-on-??? ==25435== ==25435== TO CONTROL THIS PROCESS USING vgdb (which you probably ==25435== don't want to do, unless you know exactly what you're doing, ==25435== or are doing some strange experiment): ==25435== /usr/lib/valgrind/../../bin/vgdb --pid=25435 ...command... ==25435== ==25435== TO DEBUG THIS PROCESS USING GDB: start GDB like this ==25435== /path/to/gdb /home/nax/macools/bin/x86_64-apple-darwin-objcopy ==25435== and then give GDB the following command ==25435== target remote | /usr/lib/valgrind/../../bin/vgdb --pid=25435 ==25435== --pid is optional if only one valgrind process is running ==25435== --25435-- REDIR: 0x40178e0 (strlen) redirected to 0x380673f1 (???) --25435-- Reading syms from /usr/lib/valgrind/vgpreload_core-amd64-linux.so --25435-- object doesn't have a symbol table --25435-- Reading syms from /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so --25435-- object doesn't have a symbol table --25435-- REDIR: 0x4017690 (index) redirected to 0x4c2b7f0 (index) --25435-- REDIR: 0x40178b0 (strcmp) redirected to 0x4c2c8d0 (strcmp) --25435-- Reading syms from /usr/lib/libz.so.1.2.8 --25435-- object doesn't have a symbol table --25435-- Reading syms from /usr/lib/libc-2.19.so --25435-- REDIR: 0x50cedf0 (strcasecmp) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50d10e0 (strncasecmp) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50ce5c0 (memcpy@GLIBC_2.2.5) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50cc940 (rindex) redirected to 0x4c2b5e0 (rindex) --25435-- REDIR: 0x50c9230 (__GI_strcmp) redirected to 0x4c2c880 (__GI_strcmp) --25435-- REDIR: 0x50cac40 (strlen) redirected to 0x4c2bb80 (strlen) --25435-- REDIR: 0x50cb0b0 (__GI_strncmp) redirected to 0x4c2c090 (__GI_strncmp) --25435-- REDIR: 0x50c8fd0 (__GI_strchr) redirected to 0x4c2b6f0 (__GI_strchr) --25435-- REDIR: 0x50d5780 (strchrnul) redirected to 0x4c2e5c0 (strchrnul) --25435-- REDIR: 0x50c4fd0 (malloc) redirected to 0x4c286c0 (malloc) --25435-- REDIR: 0x50c5610 (free) redirected to 0x4c29930 (free) --25435-- REDIR: 0x50cec80 (__GI_stpcpy) redirected to 0x4c2dbd0 (__GI_stpcpy) --25435-- REDIR: 0x50c91f0 (strcmp) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x516d830 (__strcmp_ssse3) redirected to 0x4c2c830 (strcmp) --25435-- REDIR: 0x50cae00 (strnlen) redirected to 0x4c2bb20 (strnlen) --25435-- REDIR: 0x50c5940 (calloc) redirected to 0x4c2a7a0 (calloc) --25435-- REDIR: 0x50cdc90 (memchr) redirected to 0x4c2c970 (memchr) --25435-- REDIR: 0x50d5570 (rawmemchr) redirected to 0x4c2e600 (rawmemchr) --25435-- REDIR: 0x50c8fa0 (index) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50cc900 (strncpy) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50de8d0 (__strncpy_sse2_unaligned) redirected to 0x4c2bd80 (strncpy) --25435-- REDIR: 0x50ca680 (strcpy) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50de2a0 (__strcpy_sse2_unaligned) redirected to 0x4c2bbc0 (strcpy) --25435-- REDIR: 0x50d37c0 (memcpy@@GLIBC_2.14) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x50d96e0 (__memcpy_sse2_unaligned) redirected to 0x4c2cc20 (memcpy@@GLIBC_2.14) --25435-- REDIR: 0xffffffffff600000 (???) redirected to 0x380673d3 (???) --25435-- REDIR: 0x50ce650 (memset) redirected to 0x4c2dfc0 (memset) --25435-- REDIR: 0x50cb060 (strncmp) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x516ea90 (__strncmp_ssse3) redirected to 0x4c2c020 (strncmp) --25435-- REDIR: 0x50cdfe0 (bcmp) redirected to 0x4a23730 (_vgnU_ifunc_wrapper) --25435-- REDIR: 0x518d690 (__memcmp_sse4_1) redirected to 0x4c2da70 (bcmp) ==25435== Invalid read of size 8 ==25435== at 0x4401F6: bfd_mach_o_canonicalize_relocs (mach-o.c:1093) ==25435== by 0x440863: bfd_mach_o_canonicalize_reloc (mach-o.c:1178) ==25435== by 0x407923: mark_symbols_used_in_relocations (objcopy.c:3122) ==25435== by 0x43069B: bfd_map_over_sections (section.c:1354) ==25435== by 0x409499: copy_object (objcopy.c:2081) ==25435== by 0x40A9F3: copy_file (objcopy.c:2514) ==25435== by 0x405852: main (objcopy.c:4270) ==25435== Address 0x805439aa0 is not stack'd, malloc'd or (recently) free'd ==25435== ==25435== Invalid read of size 8 ==25435== at 0x4401FA: bfd_mach_o_canonicalize_relocs (mach-o.c:1093) ==25435== by 0x440863: bfd_mach_o_canonicalize_reloc (mach-o.c:1178) ==25435== by 0x407923: mark_symbols_used_in_relocations (objcopy.c:3122) ==25435== by 0x43069B: bfd_map_over_sections (section.c:1354) ==25435== by 0x409499: copy_object (objcopy.c:2081) ==25435== by 0x40A9F3: copy_file (objcopy.c:2514) ==25435== by 0x405852: main (objcopy.c:4270) ==25435== Address 0x78 is not stack'd, malloc'd or (recently) free'd ==25435== ==25435== ==25435== Process terminating with default action of signal 11 (SIGSEGV) ==25435== Access not within mapped region at address 0x78 ==25435== at 0x4401FA: bfd_mach_o_canonicalize_relocs (mach-o.c:1093) ==25435== by 0x440863: bfd_mach_o_canonicalize_reloc (mach-o.c:1178) ==25435== by 0x407923: mark_symbols_used_in_relocations (objcopy.c:3122) ==25435== by 0x43069B: bfd_map_over_sections (section.c:1354) ==25435== by 0x409499: copy_object (objcopy.c:2081) ==25435== by 0x40A9F3: copy_file (objcopy.c:2514) ==25435== by 0x405852: main (objcopy.c:4270) ==25435== If you believe this happened as a result of a stack ==25435== overflow in your program's main thread (unlikely but ==25435== possible), you can try to increase the size of the ==25435== main thread stack using the --main-stacksize= flag. ==25435== The main thread stack size used in this run was 8388608. ==25435== ==25435== HEAP SUMMARY: ==25435== in use at exit: 53,784 bytes in 37 blocks ==25435== total heap usage: 2,429 allocs, 2,392 frees, 231,742 bytes allocated ==25435== ==25435== Searching for pointers to 37 not-freed blocks ==25435== Checked 413,176 bytes ==25435== ==25435== LEAK SUMMARY: ==25435== definitely lost: 0 bytes in 0 blocks ==25435== indirectly lost: 0 bytes in 0 blocks ==25435== possibly lost: 0 bytes in 0 blocks ==25435== still reachable: 53,784 bytes in 37 blocks ==25435== suppressed: 0 bytes in 0 blocks ==25435== Reachable blocks (those to which a pointer was found) are not shown. ==25435== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==25435== ==25435== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 1 from 1) ==25435== ==25435== 1 errors in context 1 of 2: ==25435== Invalid read of size 8 ==25435== at 0x4401FA: bfd_mach_o_canonicalize_relocs (mach-o.c:1093) ==25435== by 0x440863: bfd_mach_o_canonicalize_reloc (mach-o.c:1178) ==25435== by 0x407923: mark_symbols_used_in_relocations (objcopy.c:3122) ==25435== by 0x43069B: bfd_map_over_sections (section.c:1354) ==25435== by 0x409499: copy_object (objcopy.c:2081) ==25435== by 0x40A9F3: copy_file (objcopy.c:2514) ==25435== by 0x405852: main (objcopy.c:4270) ==25435== Address 0x78 is not stack'd, malloc'd or (recently) free'd ==25435== ==25435== ==25435== 1 errors in context 2 of 2: ==25435== Invalid read of size 8 ==25435== at 0x4401F6: bfd_mach_o_canonicalize_relocs (mach-o.c:1093) ==25435== by 0x440863: bfd_mach_o_canonicalize_reloc (mach-o.c:1178) ==25435== by 0x407923: mark_symbols_used_in_relocations (objcopy.c:3122) ==25435== by 0x43069B: bfd_map_over_sections (section.c:1354) ==25435== by 0x409499: copy_object (objcopy.c:2081) ==25435== by 0x40A9F3: copy_file (objcopy.c:2514) ==25435== by 0x405852: main (objcopy.c:4270) ==25435== Address 0x805439aa0 is not stack'd, malloc'd or (recently) free'd ==25435== --25435-- --25435-- used_suppression: 1 dl-hack3-cond-1 /usr/lib/valgrind/default.supp:1196 ==25435== ==25435== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 1 from 1)