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: 6d02h, last: 1h57m
✨ 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 (3)
Title Replies (including bot) Last reply
[PATCH] drm/gud: NUL-terminate TV mode names read from the device 2 (2) 2026/08/17 15:36
Re: [PATCH] drm/gud: NUL-terminate TV mode names read from the device 1 (1) 2026/08/17 15:36
[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 1-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
usb 1-1: 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+0x403/0x4c0 drivers/gpu/drm/drm_property.c:396, CPU#1: kworker/1:3/5643
Modules linked in:
CPU: 1 UID: 0 PID: 5643 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:drm_property_add_enum+0x403/0x4c0 drivers/gpu/drm/drm_property.c:396
Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d4 2a 49 06 cc e8 5e c3 3a fc 90 0f 0b 90 b8 ea ff ff ff eb dc e8 4e c3 3a fc 90 <0f> 0b 90 b8 ea ff ff ff eb cc e8 3e c3 3a fc 90 0f 0b 90 b8 ea ff
RSP: 0000:ffffc90003d36a78 EFLAGS: 00010293
RAX: ffffffff858c3e62 RBX: 0000000000000050 RCX: ffff888076529f00
RDX: 0000000000000000 RSI: 0000000000000050 RDI: 000000000000001f
RBP: ffff88803440ce00 R08: 0000000000000007 R09: 0000000000000001
R10: ffff88803440ce39 R11: ffffed10068819cb R12: 0000000000000000
R13: ffffc90003d36c40 R14: 0000000000000000 R15: ffff88803440ce00
FS:  0000000000000000(0000) GS:ffff888125049000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f71fd540 CR3: 00000000262ee000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 drm_mode_create_tv_properties_legacy+0x1db/0x3f0 drivers/gpu/drm/drm_connector.c:2216
 gud_connector_add_tv_mode drivers/gpu/drm/gud/gud_connector.c:402 [inline]
 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+0xe66/0x1a50 drivers/gpu/drm/gud/gud_connector.c:717
 gud_probe+0x1125/0x13b0 drivers/gpu/drm/gud/gud_drv.c:635
 usb_probe_interface+0x653/0xc60 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2703
 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+0x28e8/0x4d30 drivers/usb/core/hub.c:5961
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (53):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/17 19:58 upstream 8d3ae59288f1 1e72964b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_property_add_enum
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
2026/08/18 07:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/18 03:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/18 02:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/18 00:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 22:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 17:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 16:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 14:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in drm_property_add_enum
2026/08/17 12:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bdab5605259b 905244d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb 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.