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 AFE11C433F5 for ; Mon, 14 Mar 2022 00:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235742AbiCNAuV (ORCPT ); Sun, 13 Mar 2022 20:50:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235733AbiCNAuT (ORCPT ); Sun, 13 Mar 2022 20:50:19 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 918B41EAF8 for ; Sun, 13 Mar 2022 17:49:09 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id k10-20020a5d91ca000000b006414a00b160so11127590ior.18 for ; Sun, 13 Mar 2022 17:49:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=OHRLMLoHkEbfYamoPLRuqVSCdAcnIFKnHOlbAz7Kclk=; b=N/fOLr/IKzOQKDUREmCKSdAQDAoeu/QeEc/fYQdiwPXZzed57G24I7e7YqZlWrj/NH 0x9/iIYAaf6FI5Oswd9i5k8txKLsQGY91/gQs8OPENs5xTvKMEw7iD3ZGGVBktFRGTiA 72+SbvVpzdZOYxuRaVbDspNZs/94LhyEKVf5yGXYC+1m1GFvYRpL3FHnPuUBcH2Yqimz JloN2lUlDNSVpB65WagdC6pP8DlWbJ3dZ6/027ljpSgACxh9zMwt62W0cV1XSE6MKi1a hgxiHUrZE51lNZDKINBiGbhcqSpYE7N6ZiPqDLspGzzWzNfWH+xeDeq7gA9H9+5MHdwD QU0Q== X-Gm-Message-State: AOAM530FCvLejLLjtKOhI6nOQd3FbDbBdC+J879L01nCoeWJJtrkRZwV pthOg9xxeoZk/QfPnlB1XDndRq6JneGcDHwjswySlF2LIgkn X-Google-Smtp-Source: ABdhPJzu0OBRWuXc30QXUnUn0/csjXuuxH1iONtXJ/c+/bb6rJJS4XnK2aGrn8buVl//ZtI4K+O+vhFj7IX3nnChWYL+7316kF3d MIME-Version: 1.0 X-Received: by 2002:a05:6602:29ce:b0:609:4f60:59cb with SMTP id z14-20020a05660229ce00b006094f6059cbmr17350284ioq.183.1647218948201; Sun, 13 Mar 2022 17:49:08 -0700 (PDT) Date: Sun, 13 Mar 2022 17:49:08 -0700 In-Reply-To: <20220314003725.1713-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000046602c05da230c76@google.com> Subject: Re: [syzbot] general protection fault in __pm_runtime_resume (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: general protection fault in __pm_runtime_resume general protection fault, probably for non-canonical address 0xdffffc0000000072: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000390-0x0000000000000397] CPU: 0 PID: 45 Comm: kworker/u5:0 Not tainted 5.17.0-rc7-syzkaller-00060-g92f90cc9fe0e-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_cmd_work RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1126 Code: 44 89 ee e8 2d af 02 fd 45 85 ed 75 4e e8 a3 ab 02 fd 48 8d bd 91 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 03 01 00 00 RSP: 0018:ffffc9000115fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888021a7e000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a7f R10: ffffffff84761483 R11: 000000000000000c R12: 0000000000000004 R13: 0000000000000000 R14: ffff888021a7e190 R15: ffff888021a7e128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555c48214048 CR3: 000000007e914000 CR4: 0000000000350ef0 Call Trace: pm_runtime_get_sync include/linux/pm_runtime.h:420 [inline] h5_enqueue+0x175/0x390 drivers/bluetooth/hci_h5.c:632 hci_uart_send_frame+0x1ee/0x6b0 drivers/bluetooth/hci_ldisc.c:286 hci_send_frame+0x1c0/0x370 net/bluetooth/hci_core.c:2942 hci_cmd_work+0x204/0x3c0 net/bluetooth/hci_core.c:3861 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307 worker_thread+0x657/0x1110 kernel/workqueue.c:2454 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1126 Code: 44 89 ee e8 2d af 02 fd 45 85 ed 75 4e e8 a3 ab 02 fd 48 8d bd 91 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 03 01 00 00 RSP: 0018:ffffc9000115fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888021a7e000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a7f R10: ffffffff84761483 R11: 000000000000000c R12: 0000000000000004 R13: 0000000000000000 R14: ffff888021a7e190 R15: ffff888021a7e128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcda3cf0718 CR3: 0000000021ecd000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 44 89 ee mov %r13d,%esi 3: e8 2d af 02 fd callq 0xfd02af35 8: 45 85 ed test %r13d,%r13d b: 75 4e jne 0x5b d: e8 a3 ab 02 fd callq 0xfd02abb5 12: 48 8d bd 91 03 00 00 lea 0x391(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 03 01 00 00 jne 0x143 Tested on: commit: 92f90cc9 Merge tag 'fuse-fixes-5.17-rc8' of git://git... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ console output: https://syzkaller.appspot.com/x/log.txt?x=15ec83ad700000 kernel config: https://syzkaller.appspot.com/x/.config?x=442f8ac61e60a75e dashboard link: https://syzkaller.appspot.com/bug?extid=b9bd12fbed3485a3e51f compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=16d10379700000