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 28D3BC433EF for ; Sun, 13 Mar 2022 05:35:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231837AbiCMFge (ORCPT ); Sun, 13 Mar 2022 00:36:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbiCMFge (ORCPT ); Sun, 13 Mar 2022 00:36:34 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2121A24BF7 for ; Sat, 12 Mar 2022 21:35:26 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id t16-20020a92d150000000b002c799d354a8so204640ilg.9 for ; Sat, 12 Mar 2022 21:35:26 -0800 (PST) X-Google-DKIM-Signature: v=1; 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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 92f90cc9fe0e Merge tag 'fuse-fixes-5.17-rc8' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=118cd3be700000 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 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b64e79700000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1652811a700000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b9bd12fbed3485a3e51f@syzkaller.appspotmail.com 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: 46 Comm: kworker/u5:0 Not tainted 5.17.0-rc7-syzkaller-00060-g92f90cc9fe0e #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:ffffc9000116fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888022f8d000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a0f R10: ffffffff84761483 R11: 000000000000000a R12: 0000000000000004 R13: 0000000000000000 R14: ffff888022f8d190 R15: ffff888022f8d128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc3fad2418 CR3: 000000007f4c3000 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:ffffc9000116fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888022f8d000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a0f R10: ffffffff84761483 R11: 000000000000000a R12: 0000000000000004 R13: 0000000000000000 R14: ffff888022f8d190 R15: ffff888022f8d128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f989adfd718 CR3: 000000007683c000 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 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches