From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 2940814C5A8 for ; Wed, 27 Mar 2024 19:34:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711568068; cv=none; b=kIL21ioVFbf1AS8V4IEweKae8h1viIvggwdPDte78VnAjSlhC+i1juhoHYFCqCunk650VaW1180tRCBiq5I8WDyW9ZXS5M1gXKXAYkog2AK1n27dd072sqIG6phzjYICYKSKCH0ni6nSw7uvbsNpeWVf+UkeQKSfPnEUDndHY0Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711568068; c=relaxed/simple; bh=hQWKy53aTb2ih2XdPF/0YYMwKMWU1mu+KsbLNh3hTx0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=QeMKWlOAYz1xKlPX/jxb57AYcwwOBBVaN2Ah7S7EdEYSkg5bHB7OMPb0OGdZNi5FYd/CT/gFK4ADRVYfXwQNJHnHei1Bf5nlHuMRQwUMPccXq73m3cuuGc6UpkNwyMIuFma0KhDmD6XILSnRhBAv9q8lvEYhkrkOu2FakRgZwG4= 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=209.85.166.69 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-io1-f69.google.com with SMTP id ca18e2360f4ac-7cf179c3da4so16443039f.2 for ; Wed, 27 Mar 2024 12:34:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711568065; x=1712172865; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=MUyaCv8rddZ7Libs8b5LW6ZFZ1yn8SPg8ni9VsoSkMw=; b=kwfLiar0oSnszX7Q1HsC+q4d8HureNE5pcCj4uso4e7CIUOcOOd9nZ5C8w9tQ2uZjT ZYCZH8zhVo61boxzfZchZQM8zZnFbVHu+B64PVcrdIIK4NA17CmFrf8q2Wp50DflCS7K 402fKXKnpDuYGCuG6fOo6Y0x0s7lW4OlCvRHeu5VdwwqIUB4e+erxx6u9fPzGGxjMdFY Gw4NAxmzV4awgG7uywOYo7t/qEO9p7VbmwGc3HZxUmAe+6bg3A2Zj0UQe57B9z0N9b/J UHxThXwEhjTyHEW/KqTyScvsGcsdX4TYw8uMA5yuZ8Pkkg0pY2bfYUSXDDcSNtF1XdVl orOg== X-Gm-Message-State: AOJu0Yy/GDn9VJYfSbZ8knzopK1V11PxS6K3CpVOfPVCNnt6iBjrOm28 shMXoOvcUWkJVIncjN3MAM5r0MomGgNYUTn9tELwCVlPzcuFly82S+Jvp/zSIzRFu2zFb9J7HWH OMr05vfSiiJX53zul3VmC83xcw7/AYamZMvUMpWJLH6RgkO27/qIUPjqH7Q== X-Google-Smtp-Source: AGHT+IEV6GoMsx/L+siSWIT568CoqM4zUbCVV5qQXk5smb/6xZ2kmaJoitb2EaIRWtLX4cwu5jzM7ToEaHDW0MEt6Jryh4sDqJUL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:158e:b0:7cc:6af9:38a4 with SMTP id e14-20020a056602158e00b007cc6af938a4mr11354iow.4.1711568065434; Wed, 27 Mar 2024 12:34:25 -0700 (PDT) Date: Wed, 27 Mar 2024 12:34:25 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008cabee0614a97e81@google.com> Subject: [syzbot] [media?] WARNING in call_s_stream From: syzbot To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 480e035fc4c7 Merge tag 'drm-next-2024-03-13' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=141370b1180000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e5b814e91787669 dashboard link: https://syzkaller.appspot.com/bug?extid=5bcd7c809d365e14c4df compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5f73b6ef963d/disk-480e035f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/46c949396aad/vmlinux-480e035f.xz kernel image: https://storage.googleapis.com/syzbot-assets/e3b4d0f5a5f8/bzImage-480e035f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5bcd7c809d365e14c4df@syzkaller.appspotmail.com vimc vimc.0: subdev_call error Scaler ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7323 at drivers/media/v4l2-core/v4l2-subdev.c:412 call_s_stream+0x1f5/0x220 drivers/media/v4l2-core/v4l2-subdev.c:412 Modules linked in: CPU: 1 PID: 7323 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:call_s_stream+0x1f5/0x220 drivers/media/v4l2-core/v4l2-subdev.c:412 Code: c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 a4 79 4c fa 49 8b 3f 48 c7 c6 a0 5a 64 8c 89 da e8 03 d0 c7 03 eb 9e e8 6c 2a e9 f9 90 <0f> 0b 90 eb b0 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ca fe ff ff RSP: 0018:ffffc9000939f880 EFLAGS: 00010293 RAX: ffffffff87abcae4 RBX: 0000000000000000 RCX: ffff88801ee13c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff87abc951 R09: 1ffff92001273e78 R10: dffffc0000000000 R11: ffffffff87abc8f0 R12: ffff888024a6c190 R13: 0000000000000000 R14: 1ffff1100494d832 R15: ffff888024a6c020 FS: 00007ff8da9646c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e3ed79198 CR3: 0000000049c48000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vimc_streamer_pipeline_terminate+0x219/0x360 drivers/media/test-drivers/vimc/vimc-streamer.c:62 vimc_streamer_s_stream+0x69f/0x800 drivers/media/test-drivers/vimc/vimc-streamer.c:203 vimc_capture_start_streaming+0x230/0x440 drivers/media/test-drivers/vimc/vimc-capture.c:255 vb2_start_streaming+0x12e/0x510 drivers/media/common/videobuf2/videobuf2-core.c:1676 vb2_core_qbuf+0x87d/0x13b0 drivers/media/common/videobuf2/videobuf2-core.c:1850 vb2_qbuf+0x31b/0x3b0 drivers/media/common/videobuf2/videobuf2-v4l2.c:827 __video_do_ioctl+0xc26/0xde0 drivers/media/v4l2-core/v4l2-ioctl.c:3049 video_usercopy+0x899/0x1180 drivers/media/v4l2-core/v4l2-ioctl.c:3390 v4l2_ioctl+0x18c/0x1e0 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7ff8d9c7dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff8da9640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff8d9dac050 RCX: 00007ff8d9c7dda9 RDX: 00000000200000c0 RSI: 00000000c058560f RDI: 0000000000000003 RBP: 00007ff8d9cca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007ff8d9dac050 R15: 00007ff8d9ecfa48 --- 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 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