1 files changed, 3 insertions, 0 deletions

diff --git a/libdwfl/dwfl_segment_report_module.c b/libdwfl/dwfl_segment_report_module.c
index 840d6f44..78c70795 100644
--- a/libdwfl/dwfl_segment_report_module.c
+++ b/libdwfl/dwfl_segment_report_module.c
@@ -787,6 +787,9 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
       if (dyn_data_size != 0)
         dyn_filesz = dyn_data_size;
 
+      if ((dyn_filesz / dyn_entsize) == 0
+          || dyn_filesz > (SIZE_MAX / dyn_entsize))
+        goto out;
       void *dyns = malloc (dyn_filesz);
       Elf32_Dyn *d32 = dyns;
       Elf64_Dyn *d64 = dyns;