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Sun, 8 Mar 2026 04:02:57 -0700 (PDT) Date: Sun, 8 Mar 2026 11:02:55 +0000 From: Catalin Marinas To: syzbot+cae7809e9dc1459e4e63@syzkaller.appspotmail.com Message-ID: References: <698a26d3.050a0220.3b3015.007e.GAE@google.com> <20260302034102.3145719-1-wangqing7171@gmail.com> <20df8dd1-a32c-489d-8345-085d424a2f12@kernel.org> <925a916a-6dfb-48c0-985c-0bdfb96ebd26@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Headers-End: 1vzBui-0003Mc-6o Subject: Re: [f2fs-dev] [syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Qing Wang , "Vlastimil Babka \(SUSE\)" , lorenzo.stoakes@oracle.com, jannh@google.com, syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org, Liam.Howlett@oracle.com, linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org, vbabka@suse.cz, Hao Li , pfalcato@suse.de, linux-fsdevel@vger.kernel.org, jaegeuk@kernel.org, akpm@linux-foundation.org, sj1557.seo@samsung.com, linkinjeon@kernel.org, Harry Yoo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net #syz test diff --git a/mm/slub.c b/mm/slub.c index 0c906fefc31b..401557ff5487 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7513,6 +7513,7 @@ static void early_kmem_cache_node_alloc(int node) slab->freelist = get_freepointer(kmem_cache_node, n); slab->inuse = 1; kmem_cache_node->node[node] = n; + kmemleak_alloc(n, sizeof(*n), 1, GFP_NOWAIT); init_kmem_cache_node(n, NULL); inc_slabs_node(kmem_cache_node, node, slab->objects); _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AF4C31A23AC; Sun, 8 Mar 2026 11:03:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; 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spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 71CE61570; Sun, 8 Mar 2026 04:02:55 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0FE963F836; Sun, 8 Mar 2026 04:02:57 -0700 (PDT) Date: Sun, 8 Mar 2026 11:02:55 +0000 From: Catalin Marinas To: syzbot+cae7809e9dc1459e4e63@syzkaller.appspotmail.com Cc: "Vlastimil Babka (SUSE)" , Harry Yoo , Qing Wang , Liam.Howlett@oracle.com, akpm@linux-foundation.org, chao@kernel.org, jaegeuk@kernel.org, jannh@google.com, linkinjeon@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, pfalcato@suse.de, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, Hao Li Subject: Re: [syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf Message-ID: References: <698a26d3.050a0220.3b3015.007e.GAE@google.com> <20260302034102.3145719-1-wangqing7171@gmail.com> <20df8dd1-a32c-489d-8345-085d424a2f12@kernel.org> <925a916a-6dfb-48c0-985c-0bdfb96ebd26@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: #syz test diff --git a/mm/slub.c b/mm/slub.c index 0c906fefc31b..401557ff5487 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7513,6 +7513,7 @@ static void early_kmem_cache_node_alloc(int node) slab->freelist = get_freepointer(kmem_cache_node, n); slab->inuse = 1; kmem_cache_node->node[node] = n; + kmemleak_alloc(n, sizeof(*n), 1, GFP_NOWAIT); init_kmem_cache_node(n, NULL); inc_slabs_node(kmem_cache_node, node, slab->objects);