From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3F2B42AD7C for ; Fri, 16 Oct 2026 18:23:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792175002; cv=none; b=EYWBYMYyvd/zr+q7PO1mivF/Tsj9g4duifP80kCr/p1aaA9/5cJz6PkVkGcQRpP/zMq8FY+yWG3p3NJ2Di/63v6pdedvKCcKIDqcY2SU8g7PrkOkGf6jTWto9wi2H9oSsUjcUZCraieniO1cP1WP7eCNmkYCcA7DCo5RPyvuAF0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792175002; c=relaxed/simple; bh=gETURQQ+Xa8MgCP1He3CpMIe9f2O4aU074sVjeVEiAM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=JiUqEgykmMqw4qwYxt/NhlyvtGDDU6EGukqOUYFI4eMuGWqDTQGBwz9YAN7YP814v8jKqz8/9Ah7BTTRvwQ+RGOQMOsnLrnu3bKyXALQRg/0oklX9aN85dl3sYnBFAoaqHvaeOovLEk0yl7S3XfuJKfK/oF2Z+hn3Cu0SM+EVKU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.160.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-47d81384b4bso363103fac.3 for ; Fri, 16 Oct 2026 11:23:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792175000; x=1792779800; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=gXUlZPp0nSM1FDqQDGQMJiVLPwQpzHfTyLK9N1GyqQE=; b=yotOX7/xPO9DeAKCMMsfQ1bWf8H2N/sPEszOC0b9SGLl6bDxN228rYwUoXIsW0Wyi2 Ev7NFWZmZS6yWSRH2eFLOI2d6976ORByCLuAHuM/o7qLgoTZEyx1/Y1fdNK6BGyMrLcM SQ6oi8IPhXuLJX1PUNcN+70FnaufPyM6Y45P6WhPn24SXNjfrZGgMMh3wEs0aiaKEaCW kwyWyadfm6rxE6yEOqZHKyf81HFBKUZf7rbEyatt0woSfc2QpiC2w4B5c0jJnNvRu9Hf VrwvFjHYxcP9St/7Xh5wADZK/zoVRMURpwjK94twH9EdGViUJtIDJ19IagyUiPyskM1G Z8dg== X-Gm-Message-State: AFq9FYInHbqCRXWZ7QZwK8pQtbHhX3JRE3hMWIpaKP1PECDiDGIdrBgZ ++MMg+MVW+N3TDIVdoTUYafCeFcy85uUemIWzVlaWAL44FPIday7g67fkgeVA69B1qFlRqpKYjE OIy3wNhMgHhwfHcSLFD+sxonOmcYw1l3Dj3+GVHIFeJDlxj31rqlpA3LxbD8= Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:3a19:b0:4f5:4780:582 with SMTP id 5614622812f47-53cd33186cbmr355454b6e.50.1792174999824; Fri, 16 Oct 2026 11:23:19 -0700 (PDT) Date: Fri, 16 Oct 2026 11:23:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ad26b97.7952420f.283480.034d.GAE@google.com> Subject: [syzbot] [input?] general protection fault in input_ff_flush From: syzbot To: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2f2f7eeef8b0 Merge tag 'soc-fixes-7.3-3' of git://git.kern.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=166b2d71580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c4b098695335c89f dashboard link: https://syzkaller.appspot.com/bug?extid=788733b16e87faa63deb compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15c9f67f980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+788733b16e87faa63deb@syzkaller.appspotmail.com Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts. [*] Reproducer for general protection fault in input_ff_flush [+] opendir /sys/class/udc successful. [+] closedir /sys/class/udc successful. [+] Using UDC device: dummy_udc.2 [+] open /dev/raw-gadget successful (fd=3). [+] USB_RAW_IOCTL_INIT successful. [+] pthread_create ep0_loop successful. [+] pthread_create ep_io_loop successful. [+] USB_RAW_IOCTL_RUN successful. [*] Waiting for Logitech G920 to enumerate and bind... [+] Found Logitech G920 device: 0003:046D:C262.0001 [*] Starting deterministic fault injection rebind loop (1..100)... [+] fail_n=1: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [+] fail_n=6: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [+] fail_n=7: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [*] Tested fail_n=10 [+] fail_n=11: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [+] fail_n=15: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [*] Tested fail_n=20 [+] fail_n=30: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event4, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event4. [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [+] fail_n=34: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. [+] fail_n=37: bind succeeded, scanning /dev/input to trigger bug... [*] Opened /dev/input/event3, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event3. [*] Opened /dev/input/event2, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event2. [*] Opened /dev/input/event1, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event1. [*] Opened /dev/input/event0, closing now (should crash if ff teardown leaked flush)... [*] Closed /dev/input/event0. --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup