diff --git a/0007-Fix-segfault-in-extent_try_coalesce_impl.patch b/0007-Fix-segfault-in-extent_try_coalesce_impl.patch
new file mode 100644
index 0000000000000000000000000000000000000000..32ca9c212070f38063d50fdf6f630243799abe0c
--- /dev/null
+++ b/0007-Fix-segfault-in-extent_try_coalesce_impl.patch
@@ -0,0 +1,35 @@
+From a1552bf58619d415c40730780624fb18623d2617 Mon Sep 17 00:00:00 2001
+From: Piggy <mawenshuo1@huawei.com>
+Date: Wed, 30 Jul 2025 19:10:07 +0800
+Subject: [PATCH] Fix segfault in extent_try_coalesce_impl
+
+---
+ src/extent.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/extent.c b/src/extent.c
+index cf3d1f3..627d1d3 100644
+--- a/src/extent.c
++++ b/src/extent.c
+@@ -820,6 +820,7 @@ static edata_t *
+ extent_try_coalesce_impl(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks,
+     ecache_t *ecache, edata_t *edata, bool *coalesced) {
+ 	assert(!edata_guarded_get(edata));
++	assert(coalesced != NULL);
+ 	/*
+ 	 * We avoid checking / locking inactive neighbors for large size
+ 	 * classes, since they are eagerly coalesced on deallocation which can
+@@ -926,8 +927,9 @@ extent_record(tsdn_t *tsdn, pac_t *pac, ehooks_t *ehooks, ecache_t *ecache,
+ 		goto label_skip_coalesce;
+ 	}
+ 	if (!ecache->delay_coalesce) {
++		bool coalesced_unused;
+ 		edata = extent_try_coalesce(tsdn, pac, ehooks, ecache, edata,
+-		    NULL);
++		    &coalesced_unused);
+ 	} else if (edata_size_get(edata) >= SC_LARGE_MINCLASS) {
+ 		assert(ecache == &pac->ecache_dirty);
+ 		/* Always coalesce large extents eagerly. */
+-- 
+2.36.1.windows.1
+
diff --git a/jemalloc.spec b/jemalloc.spec
index 56e4a33da8d23ec6a81f12c3020c58a61465164b..06950f3fa6749f06dc7988a813a77457822f30f6 100644
--- a/jemalloc.spec
+++ b/jemalloc.spec
@@ -12,7 +12,7 @@
 
 Name:           jemalloc
 Version:        5.3.0
-Release:        5
+Release:        6
 Summary:        General-purpose scalable concurrent malloc implementation
 License:        BSD-2-Clause
 URL:            http://www.canonware.com/jemalloc/
@@ -24,6 +24,7 @@ Patch0003:	0003-Fix-possible-NULL-pointer-dereference-from-mallctl.patch
 Patch0004:	0004-Fix-possible-NULL-pointer-dereference-in-VERIFY_READ.patch
 Patch0005:	0005-Fix-purging-during-arena-migration-when-bgthd-on.patch
 Patch0006:	0006-Fix-bitmap_ffu-out-of-range-read.patch
+Patch0007:	0007-Fix-segfault-in-extent_try_coalesce_impl.patch
 
 BuildRequires:  perl-generators gcc /usr/bin/xsltproc
 
@@ -86,6 +87,9 @@ make check
 %{_mandir}/man3/jemalloc.3*
 
 %changelog
+* Mon Aug 04 2025 Piggy <mawenshuo1@huawei.com> - 5.3.0-6
+- Fix segfault in extent_try_coalesce_impl
+
 * Sun Aug 03 2025 Piggy <mawenshuo1@huawei.com> - 5.3.0-5
 - Fix bitmap_ffu out of range read