Messages in this thread Patch in this message | | | From | emersion <> | Subject | [PATCH] objtool: fix segfault when missing '.shstrtab' section | Date | Fri, 29 Dec 2017 23:46:21 +0100 |
| |
This segfault happens when an input file provided to 'objtool orc generate' doesn't have a '.shstrtab' section (for instance, object files produced by clang don't have this section).
Signed-off-by: Simon Ser <contact@emersion.fr> --- tools/objtool/orc_gen.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index e5ca31429..188f18185 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -165,7 +165,8 @@ int create_orc_sections(struct objtool_file *file) /* create .orc_unwind_ip and .rela.orc_unwind_ip sections */ sec = elf_create_section(file->elf, ".orc_unwind_ip", sizeof(int), idx); - + if (!sec) + return -1; ip_relasec = elf_create_rela_section(file->elf, sec); if (!ip_relasec) return -1; -- 2.15.1
| |