HYL_OK3568_LINUX/buildroot/package/glibc/2.28-69-g1e5c5303a522764d7e9d2302a60e4a32cdb902f1/0002-malloc-Initiate-tcache-shutdown-even-without-allocat.patch
2025-05-10 21:49:39 +08:00

42 lines
1.3 KiB
Diff

From 252e1127421c3c50c56d5c34a1a1b9251592b87c Mon Sep 17 00:00:00 2001
From: JeffyChen <jeffy.chen@rock-chips.com>
Date: Fri, 2 Jul 2021 17:39:24 +0200
Subject: [PATCH 02/20] malloc: Initiate tcache shutdown even without
allocations [BZ #28028]
After commit 1e26d35193efbb29239c710a4c46a64708643320 ("malloc: Fix
tcache leak after thread destruction [BZ #22111]"),
tcache_shutting_down is still not early enough. When we detach a
thread with no tcache allocated, tcache_shutting_down would still be
false.
Reviewed-by: DJ Delorie <dj@redhat.com>
(cherry picked from commit dfec225ee1972488bb48a8b67a2c4a13010c334a)
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
malloc/malloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 27cf6137..c2ed8b6b 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -2943,12 +2943,13 @@ tcache_thread_shutdown (void)
int i;
tcache_perthread_struct *tcache_tmp = tcache;
+ tcache_shutting_down = true;
+
if (!tcache)
return;
/* Disable the tcache and prevent it from being reinitialized. */
tcache = NULL;
- tcache_shutting_down = true;
/* Free all of the entries and the tcache itself back to the arena
heap for coalescing. */
--
2.20.1