From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5004AC19F2D for ; Thu, 4 Aug 2022 14:22:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239575AbiHDOWt (ORCPT ); Thu, 4 Aug 2022 10:22:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239968AbiHDOWo (ORCPT ); Thu, 4 Aug 2022 10:22:44 -0400 Received: from out1.migadu.com (out1.migadu.com [91.121.223.63]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A91024B0DC; Thu, 4 Aug 2022 07:22:41 -0700 (PDT) Message-ID: <91d5cfd0-e8cd-ea25-e6e5-75f2f0150f98@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1659622959; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KMO9eEASFlP8hXZr89ElzIc4/CaH5G6fSzg1SKqiJfE=; b=nGOX/Sa/55gybIO4HGLXnt/8oAlgg3ghvF76eV/N+R/fMs2Pf+M5UyLKDK097WJlNAe32M umrlzOvv36OLmk8cg2moWS0mwsHAkET7T48Rvcu2zoCgPcy2wmCydgeocPI4Hag2wcHXV3 zw82GaEYFv5ubh7HWfmbdRebQdUeQtY= Date: Thu, 4 Aug 2022 22:22:25 +0800 MIME-Version: 1.0 Subject: Re: [syzbot] INFO: trying to register non-static key in rxe_cleanup_task To: syzbot , haris.iqbal@ionos.com, jgg@nvidia.com, jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, rpearsonhpe@gmail.com, syzkaller-bugs@googlegroups.com, yanjun.zhu@linux.dev, zyjzyj2000@gmail.com References: <000000000000f0980c05e5565f2d@google.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yanjun Zhu In-Reply-To: <000000000000f0980c05e5565f2d@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/8/3 21:40, syzbot 写道: > syzbot has found a reproducer for the following issue on: > > HEAD commit: cb71b93c2dc3 Add linux-next specific files for 20220628 The commit fd5382c5805c ("RDMA/rxe: Fix error unwind in rxe_create_qp()") is to fix this problem. And it is merged in linux-next at "Jul 31 02:36:21 2022". And the HEAD commit is 2022-06-28. So this tag next-20220628 does not include the commit. In the tag next-20220803, this commit is included. Zhu Yanjun > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=152d1832080000 > kernel config: https://syzkaller.appspot.com/x/.config?x=badbc1adb2d582eb > dashboard link: https://syzkaller.appspot.com/bug?extid=833061116fa28df97f3b > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13bdcf3c080000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+833061116fa28df97f3b@syzkaller.appspotmail.com > > infiniband syz2: set active > infiniband syz2: added gre0 > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 0 PID: 3736 Comm: syz-executor.1 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 > Call Trace: > > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 > assign_lock_key kernel/locking/lockdep.c:979 [inline] > register_lock_class+0xf30/0x1130 kernel/locking/lockdep.c:1292 > __lock_acquire+0x10a/0x5660 kernel/locking/lockdep.c:4932 > lock_acquire kernel/locking/lockdep.c:5665 [inline] > lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] > _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178 > spin_lock_bh include/linux/spinlock.h:365 [inline] > rxe_cleanup_task+0x6f/0xc0 drivers/infiniband/sw/rxe/rxe_task.c:117 > rxe_qp_do_cleanup+0x88/0x8b0 drivers/infiniband/sw/rxe/rxe_qp.c:781 > execute_in_process_context+0x37/0x150 kernel/workqueue.c:3359 > rxe_elem_release drivers/infiniband/sw/rxe/rxe_pool.c:206 [inline] > kref_put include/linux/kref.h:65 [inline] > __rxe_put+0x107/0x1f0 drivers/infiniband/sw/rxe/rxe_pool.c:221 > rxe_create_qp+0x2a5/0x320 drivers/infiniband/sw/rxe/rxe_verbs.c:435 > create_qp+0x5ac/0x960 drivers/infiniband/core/verbs.c:1233 > ib_create_qp_kernel+0x9d/0x310 drivers/infiniband/core/verbs.c:1344 > ib_create_qp include/rdma/ib_verbs.h:3732 [inline] > create_mad_qp+0x177/0x2d0 drivers/infiniband/core/mad.c:2910 > ib_mad_port_open drivers/infiniband/core/mad.c:2991 [inline] > ib_mad_init_device+0xd51/0x13f0 drivers/infiniband/core/mad.c:3082 > add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:721 > enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1332 > ib_register_device drivers/infiniband/core/device.c:1420 [inline] > ib_register_device+0x814/0xaf0 drivers/infiniband/core/device.c:1366 > rxe_register_device+0x2fe/0x3b0 drivers/infiniband/sw/rxe/rxe_verbs.c:1112 > rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:521 > rxe_newlink drivers/infiniband/sw/rxe/rxe.c:195 [inline] > rxe_newlink+0xa9/0xd0 drivers/infiniband/sw/rxe/rxe.c:176 > nldev_newlink+0x32e/0x5c0 drivers/infiniband/core/nldev.c:1717 > rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195 > rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] > rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 > sock_sendmsg_nosec net/socket.c:714 [inline] > sock_sendmsg+0xcf/0x120 net/socket.c:734 > ____sys_sendmsg+0x6eb/0x810 net/socket.c:2485 > ___sys_sendmsg+0xf3/0x170 net/socket.c:2539 > __sys_sendmsg net/socket.c:2568 [inline] > __do_sys_sendmsg net/socket.c:2577 [inline] > __se_sys_sendmsg net/socket.c:2575 [inline] > __x64_sys_sendmsg+0x132/0x220 net/socket.c:2575 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x46/0xb0 > RIP: 0033:0x7f5cc9289209 > Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f5cca378168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f5cc939bf60 RCX: 00007f5cc9289209 > RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 > RBP: 00007f5cc92e3161 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007ffcbec8964f R14: 00007f5cca378300 R15: 0000000000022000 > > ================================================================== > BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] > BUG: KASAN: null-ptr-deref in atomic_dec include/linux/atomic/atomic-instrumented.h:257 [inline] > BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanup+0x235/0x8b0 drivers/infiniband/sw/rxe/rxe_qp.c:807 > Write of size 4 at addr 00000000000001e0 by task syz-executor.1/3736 > > CPU: 0 PID: 3736 Comm: syz-executor.1 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 > Call Trace: > > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 > kasan_report+0xbe/0x1f0 mm/kasan/report.c:495 > check_region_inline mm/kasan/generic.c:183 [inline] > kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 > instrument_atomic_read_write include/linux/instrumented.h:101 [inline] > atomic_dec include/linux/atomic/atomic-instrumented.h:257 [inline] > rxe_qp_do_cleanup+0x235/0x8b0 drivers/infiniband/sw/rxe/rxe_qp.c:807 > execute_in_process_context+0x37/0x150 kernel/workqueue.c:3359 > rxe_elem_release drivers/infiniband/sw/rxe/rxe_pool.c:206 [inline] > kref_put include/linux/kref.h:65 [inline] > __rxe_put+0x107/0x1f0 drivers/infiniband/sw/rxe/rxe_pool.c:221 > rxe_create_qp+0x2a5/0x320 drivers/infiniband/sw/rxe/rxe_verbs.c:435 > create_qp+0x5ac/0x960 drivers/infiniband/core/verbs.c:1233 > ib_create_qp_kernel+0x9d/0x310 drivers/infiniband/core/verbs.c:1344 > ib_create_qp include/rdma/ib_verbs.h:3732 [inline] > create_mad_qp+0x177/0x2d0 drivers/infiniband/core/mad.c:2910 > ib_mad_port_open drivers/infiniband/core/mad.c:2991 [inline] > ib_mad_init_device+0xd51/0x13f0 drivers/infiniband/core/mad.c:3082 > add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:721 > enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1332 > ib_register_device drivers/infiniband/core/device.c:1420 [inline] > ib_register_device+0x814/0xaf0 drivers/infiniband/core/device.c:1366 > rxe_register_device+0x2fe/0x3b0 drivers/infiniband/sw/rxe/rxe_verbs.c:1112 > rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:521 > rxe_newlink drivers/infiniband/sw/rxe/rxe.c:195 [inline] > rxe_newlink+0xa9/0xd0 drivers/infiniband/sw/rxe/rxe.c:176 > nldev_newlink+0x32e/0x5c0 drivers/infiniband/core/nldev.c:1717 > rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195 > rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] > rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 > sock_sendmsg_nosec net/socket.c:714 [inline] > sock_sendmsg+0xcf/0x120 net/socket.c:734 > ____sys_sendmsg+0x6eb/0x810 net/socket.c:2485 > ___sys_sendmsg+0xf3/0x170 net/socket.c:2539 > __sys_sendmsg net/socket.c:2568 [inline] > __do_sys_sendmsg net/socket.c:2577 [inline] > __se_sys_sendmsg net/socket.c:2575 [inline] > __x64_sys_sendmsg+0x132/0x220 net/socket.c:2575 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x46/0xb0 > RIP: 0033:0x7f5cc9289209 > Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f5cca378168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f5cc939bf60 RCX: 00007f5cc9289209 > RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 > RBP: 00007f5cc92e3161 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007ffcbec8964f R14: 00007f5cca378300 R15: 0000000000022000 > > ================================================================== >