Don't crash and burn when a section doesn't have a name (possibly invalid ELF file string table). Just try the next section instead of calling strcmp on NULL.
Signed-off-by: Mark Wielaard <[email protected]> --- src/ChangeLog | 4 ++++ src/readelf.c | 4 +++- 2 files changed, 7 insertions(+), 1 deletions(-) diff --git a/src/ChangeLog b/src/ChangeLog index 5535cff..7e68036 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,7 @@ +2014-05-27 Mark Wielaard <[email protected]> + + * readelf.c (print_debug): Skip section if name is NULL. + 2014-05-26 Mark Wielaard <[email protected]> * readelf.c (handle_relocs_rela): Print header like handle_relocs_rel diff --git a/src/readelf.c b/src/readelf.c index ea14a09..6bbe436 100644 --- a/src/readelf.c +++ b/src/readelf.c @@ -7962,8 +7962,10 @@ print_debug (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr *ehdr) / sizeof (debug_sections[0])); const char *name = elf_strptr (ebl->elf, shstrndx, shdr->sh_name); - int n; + if (name == NULL) + continue; + int n; for (n = 0; n < ndebug_sections; ++n) if (strcmp (name, debug_sections[n].name) == 0 #if USE_ZLIB -- 1.7.1
