create-diff-object: Handle missing secsym for debug sections

Certain debug sections like ".debug_aranges" when built with GAS 2.36.1
are missing section symbols (presumably because they're not needed).
Instead, of segfaulting, simply don't include them if they're missing.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

diff --git a/create-diff-object.c b/create-diff-object.c
index a5166701d43089c2a78a9e25f1a771cb47baeb6e..780e6c8e65567f9fa00cca304b70ecb3d21590fe 100644 (file)
--- a/create-diff-object.c
+++ b/create-diff-object.c
@@ -1484,7 +1484,7 @@ static void kpatch_include_debug_sections(struct kpatch_elf *kelf)
        list_for_each_entry(sec, &kelf->sections, list) {
                if (is_debug_section(sec)) {
                        sec->include = 1;
-                       if (!is_rela_section(sec))
+                       if (!is_rela_section(sec) && sec->secsym)
                                sec->secsym->include = 1;
                }
        }