From 9fd9a442abf5fdd5c04d19d6d8a2ff1ef3b9e5d7 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 5 Apr 2017 16:52:34 -0700
Subject: [PATCH] Fix nullptr deref
---
src/core/lib/surface/call.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 315c906baa..97d50a91be 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -529,14 +529,14 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call,
}
void grpc_call_destroy(grpc_call *c) {
- parent_call *pc = get_parent_call(c);
child_call *cc = c->child_call;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GPR_TIMER_BEGIN("grpc_call_destroy", 0);
GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c));
- if (pc) {
+ if (cc) {
+ parent_call *pc = get_parent_call(cc->parent);
gpr_mu_lock(&pc->child_list_mu);
if (c == pc->first_child) {
pc->first_child = cc->sibling_next;
--
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