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 46CC4C19F2C for ; Wed, 3 Aug 2022 13:40:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237246AbiHCNk1 (ORCPT ); Wed, 3 Aug 2022 09:40:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233781AbiHCNkY (ORCPT ); Wed, 3 Aug 2022 09:40:24 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B14D75FEF for ; Wed, 3 Aug 2022 06:40:23 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id u9-20020a056e021a4900b002dc685a1c13so10338360ilv.19 for ; Wed, 03 Aug 2022 06:40:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc; bh=JBAejNxVt67YabHPJXP/y31UMn3ag+IABmrC+RpE9OM=; b=1QvTkc+pkRUJj9Hyal+Dyv2/5qA1b5ZSnIuLDz6YsZ/5wRyWuB+dXHFlAufHdETR/u Mbds67BhvxrkGScKALmZWixj14boXSui75cX/3G18Mp4Atvb+n7xYHeXOYQKPDGTD2/w Qb38pebxh9TKbx91FpWmR5uhhyZRqTJw/M0mzjn+j6sRQz0KElbRJy7lE8Nzw7YiyNLi pYaI30sLo9TSfj7FiwQlqsmexuTcggSLksTKXg+Jc41C5DjJhVlXICb+NfVerdyEsziN IXOp27Zevy5YowWsaG4axEpWNu+vf6g+J29FrHSZS/+KQpUMiXhoXWHNGC78xKKUT8aX Emcw== X-Gm-Message-State: AJIora8nR0SYZv16d2lF6a8TwagL90Ti4QHUlZxB2AXTgA0onrKDLHhV XOCXN46FPwSeHG+YcCc2MlwfFoWMqwYUMPXLRTanpwknVJGt X-Google-Smtp-Source: AGRyM1vKn6C1vLX/G6Ri0XAQZkvZt0wAtHciHpTPEMab2Mww96EfhC5Mhlc84rwCmjPFAfWVl7EyfNdqXVRGIxma2Om/8H9Lzt2V MIME-Version: 1.0 X-Received: by 2002:a02:1607:0:b0:33f:3af8:61e3 with SMTP id a7-20020a021607000000b0033f3af861e3mr10638206jaa.307.1659534023102; Wed, 03 Aug 2022 06:40:23 -0700 (PDT) Date: Wed, 03 Aug 2022 06:40:23 -0700 In-Reply-To: <0000000000006ed46805dfaded18@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f0980c05e5565f2d@google.com> Subject: Re: [syzbot] INFO: trying to register non-static key in rxe_cleanup_task From: syzbot To: 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: cb71b93c2dc3 Add linux-next specific files for 20220628 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 ==================================================================