[PATCH] libelf: Check elf is not NULL in gelf_offscn

[Mark Wielaard]

Make sure to not crash and just return NULL (failure) if gelf_offscn
gets a NULL Elf handle like other gelf functions do.

        * libelf/gelf_newphdr.c (gelf_newphdr): Check elf is not NULL.

Signed-off-by: Mark Wielaard <m...@klomp.org>
---
 libelf/gelf_offscn.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libelf/gelf_offscn.c b/libelf/gelf_offscn.c
index cf206f5beb2e..4d77bd2a4f5d 100644
--- a/libelf/gelf_offscn.c
+++ b/libelf/gelf_offscn.c
@@ -40,6 +40,9 @@
 Elf_Scn *
 gelf_offscn (Elf *elf, GElf_Off offset)
 {
+  if (elf == NULL)
+    return NULL;
+
   if (elf->class == ELFCLASS32)
     {
       if ((Elf32_Off) offset != offset)
-- 
2.56.0