Signed-off-by: Mark Wielaard <m...@klomp.org>
---
src/ChangeLog | 7 +++++++
src/size.c | 6 ++++++
2 files changed, 13 insertions(+)
diff --git a/src/ChangeLog b/src/ChangeLog
index 3020bd768..e3e411ef5 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2019-04-28 Mark Wielaard <m...@klomp.org>
+
+ * size.c (show_sysv): Call INTERNAL_ERROR if gelf_getshdr
+ returns NULL.
+ (show_sysv_one_line): Call error with EXIT_FAILURE if
+ gelf_getshdr returns NULL.
+
2019-04-28 Mark Wielaard <m...@klomp.org>
* nm.c (show_symbols_sysv): Check gelf_getshdr doesn't return
diff --git a/src/size.c b/src/size.c
index f01fd880c..a25d4471f 100644
--- a/src/size.c
+++ b/src/size.c
@@ -428,6 +428,9 @@ show_sysv (Elf *elf, const char *prefix, const char *fname,
GElf_Shdr shdr_mem;
GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+ if (shdr == NULL)
+ INTERNAL_ERROR (fullname);
+
/* Ignore all sections which are not used at runtime. */
if ((shdr->sh_flags & SHF_ALLOC) != 0)
{
@@ -475,6 +478,9 @@ show_sysv_one_line (Elf *elf)
GElf_Shdr shdr_mem;
GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+ if (unlikely (shdr == NULL))
+ error (EXIT_FAILURE, 0, gettext ("cannot get section header"));
+
/* Ignore all sections which are not used at runtime. */
if ((shdr->sh_flags & SHF_ALLOC) == 0)
continue;
--
2.20.1
