WARNING in drm_property_add_enum

Status: upstream: reported C repro on 2026/08/16 06:30
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+916c888ba5f1a54c9526@syzkaller.appspotmail.com
First crash: 5d05h, last: 5h21m
✨ AI Jobs (3)
ID Workflow Result Correct Bug Created Started Finished Revision
02e8b9ea assessment-security 💥 WARNING in drm_property_add_enum 2026/08/17 03:04 2026/08/17 03:04 2026/08/17 03:04 746171ee
eefbd8d9 assessment-security 💥 WARNING in drm_property_add_enum 2026/08/15 00:03 2026/08/15 00:03 2026/08/15 00:03 746171ee
f6813d85 assessment-security 💥 WARNING in drm_property_add_enum 2026/08/13 00:35 2026/08/13 00:35 2026/08/13 00:35 a56bc0a5
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] drm/gud: NUL-terminate TV mode names read from the device 1 (1) 2026/08/16 08:52
[syzbot] [dri?] WARNING in drm_property_add_enum 0 (2) 2026/08/16 08:23
Last patch testing requests (1)
Created Duration User Patch Repo Result
2026/08/16 08:23 19m kartikey406@gmail.com patch upstream OK job log log

Sample crash report:
usb 5-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
------------[ cut here ]------------
strlen(name) >= DRM_PROP_NAME_LEN
WARNING: drivers/gpu/drm/drm_property.c:396 at drm_property_add_enum+0x4ac/0x590 drivers/gpu/drm/drm_property.c:396, CPU#2: kworker/2:3/5894
Modules linked in:
CPU: 2 UID: 0 PID: 5894 Comm: kworker/2:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:drm_property_add_enum+0x4ac/0x590 drivers/gpu/drm/drm_property.c:396
Code: 03 80 3c 02 00 0f 85 89 00 00 00 49 89 2c 24 31 db e9 fc fc ff ff e8 f3 e9 43 fc 90 0f 0b 90 e9 e9 fc ff ff e8 e5 e9 43 fc 90 <0f> 0b 90 e9 db fc ff ff e8 87 7e b3 fc e9 b3 fb ff ff e8 cd e9 43
RSP: 0000:ffffc90002fd6cf0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000050 RCX: ffffffff85c5e14d
RDX: ffff888027ba0000 RSI: ffffffff85c5e5bb RDI: ffff888027ba0000
RBP: 0000000000000000 R08: 0000000000000007 R09: 000000000000001f
R10: 0000000000000050 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000005 R14: ffff88802a8e4100 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888096df3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d682c98168 CR3: 000000004ce67000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 drm_mode_create_tv_properties_legacy+0x3e9/0x4c0 drivers/gpu/drm/drm_connector.c:2216
 gud_connector_add_tv_mode+0x1d7/0x2b0 drivers/gpu/drm/gud/gud_connector.c:402
 gud_connector_add_properties drivers/gpu/drm/gud/gud_connector.c:525 [inline]
 gud_connector_create drivers/gpu/drm/gud/gud_connector.c:680 [inline]
 gud_get_connectors+0xbd9/0x1700 drivers/gpu/drm/gud/gud_connector.c:717
 gud_probe+0x17aa/0x1c20 drivers/gpu/drm/gud/gud_drv.c:635
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 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:291
 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:2703
 usb_new_device include/linux/workqueue.h:714 [inline]
 hub_port_connect drivers/usb/core/hub.c:5575 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5715 [inline]
 port_event drivers/usb/core/hub.c:5879 [inline]
 hub_event.cold+0x1e3/0xe90 drivers/usb/core/hub.c:5961
 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+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (39):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/12 12:54 upstream f5bbbfec59b4 ee03bfea .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_property_add_enum
2026/08/12 16:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 13:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 12:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 10:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 08:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 12:49 upstream 2f1baf1fc892 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_property_add_enum
2026/08/17 07:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 05:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 05:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 03:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 21:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 17:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 12:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 09:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 08:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 07:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 04:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 02:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/16 01:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/15 22:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/15 19:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/15 06:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/15 04:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 18:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 18:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 17:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 15:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 6f9b3e89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 09:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 05abeffcc27e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 09:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 05abeffcc27e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 08:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 05abeffcc27e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/14 07:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 05abeffcc27e b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/13 21:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/13 21:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/13 21:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/13 02:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 359b2492 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 14:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 06:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/12 06:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5d5fd841c346 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
* Struck through repros no longer work on HEAD.