From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail3-166.sinamail.sina.com.cn (mail3-166.sinamail.sina.com.cn [202.108.3.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 561A5221FA8 for ; Fri, 12 Sep 2025 08:34:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.166 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757666068; cv=none; b=qfaia9+Wg+f2fhQnr9eSjN9nDI5j14cJ3TCAclksQK8uxyHz4gnEP9Qz1Pz4iYRjjaycyFkf9QecOWNVsHt7+827up1mDlupzhf4CEFnxcRlDv+SjIOULJSuB4rlVP4SkGUoVfm4YIQV9FRxxBgmnuvPOt5pnaU83ssYn+vjTOU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757666068; c=relaxed/simple; bh=C9/8Q/OtCQ9S2FKVlqcJdKIxrj42kDG57z6IQjeEHpU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FZjtoUXviiEoD6zhdLsHeElNA2+6LvAVSndwG6U+kOLCeJ9+ec8tWWIIUcxOjk+eV/uf030He83USuthOQU/SKgPomhAsNJSwygzbBykqxrQcWXqWxC7VP4hQbTerfhomgPyo4v/TWCuQJgdQbiRMcsJSTabo4W9rAviU27LhKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=DPoC1twA; arc=none smtp.client-ip=202.108.3.166 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="DPoC1twA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1757666061; bh=yyyW7NFzPQDlxRW4KQEmjwCxkqSvDeoduXOyOBSoUFk=; h=From:Subject:Date:Message-ID; b=DPoC1twARq1qjeKjYxbhvrfzMsiWPh+4c0u8OUYvm4xFCHvzAtbDtE08kQIr5W598 qFbPLUuI5rbEmKq/9mZFLvqsMU+wMtGPFPCgbkfCeQ5DxKK9ipk9H28C9WhF2KCq8D 3bHMY9hr8I61TELdnkgCdn1eCdh9vdN77yvNEpeA= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.58.236]) by sina.com (10.54.253.31) with ESMTP id 68C3DB00000004E7; Fri, 12 Sep 2025 16:34:10 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 6119426816419 X-SMAIL-UIID: 679110B2D10F41B998C8F75B501D44C1-20250912-163410-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [rdma?] WARNING in gid_table_release_one (3) Date: Fri, 12 Sep 2025 16:33:58 +0800 Message-ID: <20250912083359.6809-1-hdanton@sina.com> In-Reply-To: <68c2ec01.050a0220.3c6139.003f.GAE@google.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Date: Thu, 11 Sep 2025 08:34:25 -0700 [thread overview] > syzbot has found a reproducer for the following issue on: > > HEAD commit: 5f540c4aade9 Add linux-next specific files for 20250910 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=157dab12580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5ed48faa2cb8510d > dashboard link: https://syzkaller.appspot.com/bug?extid=b0da83a6c0e2e2bddbd4 > compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b52362580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b41642580000 #syz test --- x/drivers/infiniband/core/device.c +++ y/drivers/infiniband/core/device.c @@ -506,6 +506,7 @@ static void ib_device_release(struct dev if (dev->hw_stats_data) ib_device_release_hw_stats(dev->hw_stats_data); if (dev->port_data) { + ib_cache_cleanup_one(dev); ib_cache_release_one(dev); ib_security_release_port_pkey_list(dev); rdma_counter_release(dev); --- x/mm/slub.c +++ y/mm/slub.c @@ -3957,7 +3957,7 @@ static void flush_rcu_sheaf(struct work_ /* needed for kvfree_rcu_barrier() */ -void flush_all_rcu_sheaves() +void flush_all_rcu_sheaves(void) { struct slub_percpu_sheaves *pcs; struct slub_flush_work *sfw; --