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AHgh+RoLv/5bNd6hGPM6XXpyIH7467EcCb2TrANCOFRV3Posm/ZoOE4MbTirdj3sYiGIjHfqZsqQh66XEJqD0js=@vger.kernel.org X-Gm-Message-State: AOJu0YxYowX/VAyjCZyt0c94DOqY4Tsh8NHmBnkNvIJB+kVnmL3TZyh0 OKuPh+SQxyxvyRhwVlnquc69ovxP9+NBl7/bMTM0XGQCtI56Zijh09z/0hLRCcZiVQVGMGbNj1F ofsltiazHNswijOsxzEnCWC06w9RbpHkbAv4vvUnIdUfYM+5CL76uRNh5YDA= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1988:b0:6a1:80a7:2c8d with SMTP id 006d021491bc7-6b13c611146mr12149628eaf.32.1787233173881; Thu, 20 Aug 2026 06:39:33 -0700 (PDT) Date: Thu, 20 Aug 2026 06:39:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a870395.ae6ddae5.3da009.001b.GAE@google.com> Subject: [syzbot] [dri?] [usb?] WARNING in drm_plane_create_rotation_property From: syzbot To: airlied@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, rubenru09@aol.com, simona@ffwll.ch, syzkaller-bugs@googlegroups.com, tzimmermann@suse.de Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: bdab5605259b usb: gadget: uvc: fix dangling pointers in uv.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=11595a79580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8bdeea7ee6735f91 dashboard link: https://syzkaller.appspot.com/bug?extid=efe2810681f1b065d3a8 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1278c679580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12496a25580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/2cb2fdbdd7b7/disk-bdab5605.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f801d31c2001/vmlinux-bdab5605.xz kernel image: https://storage.googleapis.com/syzbot-assets/9002a6e0ae14/bzImage-bdab5605.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+efe2810681f1b065d3a8@syzkaller.appspotmail.com usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0 usb 4-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 ------------[ cut here ]------------ rotation & ~supported_rotations WARNING: drivers/gpu/drm/drm_blend.c:309 at drm_plane_create_rotation_property+0x1aa/0x1f0 drivers/gpu/drm/drm_blend.c:309, CPU#1: kworker/1:1/28 Modules linked in: CPU: 1 UID: 0 PID: 28 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:drm_plane_create_rotation_property+0x1aa/0x1f0 drivers/gpu/drm/drm_blend.c:309 Code: 5d 41 5e c3 cc cc cc cc e8 93 16 74 fe 90 0f 0b 90 e9 a1 fe ff ff e8 85 16 74 fe 90 0f 0b 90 e9 ba fe ff ff e8 77 16 74 fe 90 <0f> 0b 90 e9 cd fe ff ff e8 49 85 dc fe eb 87 bb f4 ff ff ff eb b0 RSP: 0018:ffffc900001e6eb0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888118438d60 RCX: ffffffff833ffcd6 RDX: ffff8881026f1e00 RSI: ffffffff833ffe09 RDI: ffff8881026f1e00 RBP: 0000000000000034 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000000 R15: ffff888118438000 FS: 0000000000000000(0000) GS:ffff888268733000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba2f8fd2d8 CR3: 0000000117c22000 CR4: 00000000003506f0 Call Trace: gud_plane_add_properties drivers/gpu/drm/gud/gud_drv.c:292 [inline] gud_probe+0x11a5/0x1c20 drivers/gpu/drm/gud/gud_drv.c:622 usb_probe_interface+0x386/0x9b0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2708 usb_new_device drivers/usb/core/hub.c:5833 [inline] hub_port_connect drivers/usb/core/hub.c:5580 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5966 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x69a/0xc80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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