commit afe86066e748076f970ccd277fc64fc51bea189b
author Miss Skeleton (bot) <31488909+miss-islington@users.noreply.github.com> Tue Oct 13 00:09:08 2020 -0700
committer GitHub <noreply@github.com> Tue Oct 13 00:09:08 2020 -0700
tree aac9c6594263c9c7e052c7e1b21e39d8c5b71969
parent 15ef19f7d7d703bba65da9e2c10fa7851049686a

bpo-41995: Fix null ptr deref in tracemalloc_copy_trace() (GH-22660)


Fix a null pointer dereference in tracemalloc_copy_trace()
of _tracemalloc.
(cherry picked from commit 66c28f50c76e4f23af7146e0e580457c5fd6bde7)

Co-authored-by: Yunlongs <lylgood@foxmail.com>

Modules/_tracemalloc.c

diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index fc91622..04f6c24 100644
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -1199,7 +1199,7 @@
     trace_t *trace = (trace_t *)value;
 
     trace_t *trace2 = raw_malloc(sizeof(trace_t));
-    if (traces2 == NULL) {
+    if (trace2 == NULL) {
         return -1;
     }
     *trace2 = *trace;