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| author | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-05-29 21:30:20 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-05-29 21:34:12 +0530 |
| commit | b937534868c8d7aec3b6d645bf5fd657bbfccd42 (patch) | |
| tree | 18936faaea13f35bcaf698f97447752c0e1c4567 /sysdeps/i386/dl-machine.h | |
| parent | d0501bfbe228897c17875fcead8809d017135d6f (diff) | |
| download | glibc-b937534868c8d7aec3b6d645bf5fd657bbfccd42.tar.gz glibc-b937534868c8d7aec3b6d645bf5fd657bbfccd42.tar.xz glibc-b937534868c8d7aec3b6d645bf5fd657bbfccd42.zip | |
Avoid crashing in LD_DEBUG when program name is unavailable
Resolves: #15465 The program name may be unavailable if the user application tampers with argc and argv[]. Some parts of the dynamic linker caters for this while others don't, so this patch consolidates the check and fallback into a single macro and updates all users.
Diffstat (limited to 'sysdeps/i386/dl-machine.h')
| -rw-r--r-- | sysdeps/i386/dl-machine.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 0b4c46736d..b6fc8051e5 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -464,8 +464,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc, strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]); _dl_error_printf ("\ %s: Symbol `%s' has different size in shared object, consider re-linking\n", - rtld_progname ?: "<program name unknown>", - strtab + refsym->st_name); + RTLD_PROGNAME, strtab + refsym->st_name); } memcpy (reloc_addr_arg, (void *) value, MIN (sym->st_size, refsym->st_size)); @@ -610,8 +609,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]); _dl_error_printf ("\ %s: Symbol `%s' has different size in shared object, consider re-linking\n", - rtld_progname ?: "<program name unknown>", - strtab + refsym->st_name); + RTLD_PROGNAME, strtab + refsym->st_name); } memcpy (reloc_addr_arg, (void *) value, MIN (sym->st_size, refsym->st_size)); |