diff options
Diffstat (limited to 'src/elflint.c')
| -rw-r--r-- | src/elflint.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/elflint.c b/src/elflint.c index 684b794e..72584de0 100644 --- a/src/elflint.c +++ b/src/elflint.c @@ -658,6 +658,10 @@ section [%2d] '%s': symbol table cannot have more than one extended index sectio ERROR (gettext ("\ section [%2u] '%s': entry size is does not match ElfXX_Sym\n"), idx, section_name (ebl, idx)); + else if (shdr->sh_info > shdr->sh_size / sh_entsize) + ERROR (gettext ("\ +section [%2u] '%s': number of local entries in 'st_info' larger than table size\n"), + idx, section_name (ebl, idx)); /* Test the zeroth entry. */ GElf_Sym sym_mem; @@ -3917,6 +3921,11 @@ section [%2zu] '%s': size not multiple of entry size\n"), GElf_Xword sh_flags = shdr->sh_flags & ~(GElf_Xword) ALL_SH_FLAGS; if (sh_flags & SHF_MASKPROC) { + /* Strictly speaking SHF_EXCLUDE is a processor specific + section flag, but it is used generically in the GNU + toolchain. */ + if (gnuld) + sh_flags &= ~(GElf_Xword) SHF_EXCLUDE; if (!ebl_machine_section_flag_check (ebl, sh_flags & SHF_MASKPROC)) ERROR (gettext ("section [%2zu] '%s'" @@ -4485,6 +4494,7 @@ only executables, shared objects, and core files can have program headers\n")); if (phdr->p_type >= PT_NUM && phdr->p_type != PT_GNU_EH_FRAME && phdr->p_type != PT_GNU_STACK && phdr->p_type != PT_GNU_RELRO + && phdr->p_type != PT_GNU_PROPERTY /* Check for a known machine-specific type. */ && ebl_segment_type_name (ebl, phdr->p_type, NULL, 0) == NULL) ERROR (gettext ("\ @@ -4761,7 +4771,14 @@ process_elf_file (Elf *elf, const char *prefix, const char *suffix, ebl = ebl_openbackend (elf); /* If there is no appropriate backend library we cannot test architecture and OS specific features. Any encountered extension - is an error. */ + is an error. Often we'll get a "dummy" ebl, except if something + really bad happen, like a totally corrupted ELF file or out of + memory situation. */ + if (ebl == NULL) + { + ERROR (gettext ("cannot create backend for ELF file\n")); + return; + } /* Go straight by the gABI, check all the parts in turn. */ check_elf_header (ebl, ehdr, size); |