Hello,
kernel test robot noticed
"WARNING:at_drivers/gpu/drm/drm_property.c:#drm_property_create" on:
commit: 3d18732b927902aaa841e0ebb77f3feaf8e519a9 ("drm/vkms: Add
driver-specific plane property for testing")
https://git.kernel.org/cgit/linux/kernel/git/mripard/linux.git
drm/reset-state-flag
in testcase: boot
config: x86_64-randconfig-123-20260911
compiler: clang-22
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 4 -m 16G
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]
[ 16.128490][ T1] ------------[ cut here ]------------
[ 16.131898][ T1] WARNING: drivers/gpu/drm/drm_property.c:107 at
drm_property_create+0x44f/0x500, CPU#0: swapper/0/1
[ 16.138834][ T1] Modules linked in:
[ 16.142626][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G
T 7.3.0-rc1-00366-g3d18732b9279 #1 PREEMPTLAZY
[ 16.153490][ T1] Tainted: [T]=RANDSTRUCT
[ 16.157939][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 16.173562][ T1] RIP: 0010:drm_property_create
(gpu/drm/drm_property.c:107 (discriminator 6))
[ 16.177872][ T1] Code: 48 89 df e8 d3 2e 2d fe 4c 89 33 e9 e1 fe ff ff e8
06 44 fc fd e9 6a fd ff ff e8 fc 43 fc fd e9 60 fd ff ff e8 f2 43 fc fd 90 <0f>
0b 90 e9 bc fe ff ff e8 e4 43 fc fd 49 8d 5f 58 48 89 d8 48 c1
All code
========
0: 48 89 df mov %rbx,%rdi
3: e8 d3 2e 2d fe call 0xfffffffffe2d2edb
8: 4c 89 33 mov %r14,(%rbx)
b: e9 e1 fe ff ff jmp 0xfffffffffffffef1
10: e8 06 44 fc fd call 0xfffffffffdfc441b
15: e9 6a fd ff ff jmp 0xfffffffffffffd84
1a: e8 fc 43 fc fd call 0xfffffffffdfc441b
1f: e9 60 fd ff ff jmp 0xfffffffffffffd84
24: e8 f2 43 fc fd call 0xfffffffffdfc441b
29: 90 nop
2a:* 0f 0b ud2 <-- trapping instruction
2c: 90 nop
2d: e9 bc fe ff ff jmp 0xfffffffffffffeee
32: e8 e4 43 fc fd call 0xfffffffffdfc441b
37: 49 8d 5f 58 lea 0x58(%r15),%rbx
3b: 48 89 d8 mov %rbx,%rax
3e: 48 rex.W
3f: c1 .byte 0xc1
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 90 nop
3: e9 bc fe ff ff jmp 0xfffffffffffffec4
8: e8 e4 43 fc fd call 0xfffffffffdfc43f1
d: 49 8d 5f 58 lea 0x58(%r15),%rbx
11: 48 89 d8 mov %rbx,%rax
14: 48 rex.W
15: c1 .byte 0xc1
[ 16.191481][ T1] RSP: 0000:ffff88810080f9b8 EFLAGS: 00010293
[ 16.195316][ T1] RAX: ffffffff834b20ce RBX: ffffffff85df7840 RCX:
ffff888100805400
[ 16.200307][ T1] RDX: 0000000000000000 RSI: 0000000000000002 RDI:
ffffffff85df7840
[ 16.205474][ T1] RBP: 0000000000000002 R08: 00000000ffffffff R09:
0000000000000001
[ 16.210508][ T1] R10: ffff888100dd60a9 R11: ffffed10201bac17 R12:
ffff8881243cc000
[ 16.215541][ T1] R13: 0000000000000002 R14: ffffffff85df7840 R15:
0000000000000000
[ 16.220642][ T1] FS: 0000000000000000(0000) GS:0000000000000000(0000)
knlGS:0000000000000000
[ 16.226465][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.230647][ T1] CR2: ffff88883ffff000 CR3: 00000000074ab000 CR4:
00000000000406b0
[ 16.235620][ T1] Call Trace:
[ 16.237793][ T1] <TASK>
[ 16.239612][ T1] drm_property_create_range (gpu/drm/drm_property.c:248
gpu/drm/drm_property.c:281)
[ 16.243716][ T1] vkms_plane_init (gpu/drm/vkms/vkms_plane.c:335)
[ 16.249316][ T1] vkms_output_init (gpu/drm/vkms/vkms_output.c:23)
[ 16.253612][ T1] vkms_create (gpu/drm/vkms/vkms_drv.c:157)
[ 16.257515][ T1] ? vgem_init (vgem_drv.c:?)
[ 16.261493][ T1] vkms_init (gpu/drm/vkms/vkms_drv.c:240)
[ 16.265247][ T1] do_one_initcall (main.c:1357)
[ 16.269406][ T1] ? kvm_clock_get_cycles (x86/kernel/kvmclock.c:81
(discriminator 257))
[ 16.273596][ T1] ? ktime_get (time/timekeeping.c:1008)
[ 16.277336][ T1] ? lockdep_hardirqs_on_prepare (locking/lockdep.c:470)
[ 16.281688][ T1] ? irqentry_exit (linux/irq-entry-common.h:507)
[ 16.284933][ T1] ? irqentry_exit (linux/irq-entry-common.h:507)
[ 16.287804][ T1] ? lockdep_hardirqs_on (locking/lockdep.c:4488)
[ 16.294913][ T1] ? irqentry_exit (linux/irq-entry-common.h:507)
[ 16.298066][ T1] ? strlen (string.c:402 (discriminator 1))
[ 16.300438][ T1] ? next_arg (cmdline.c:276 (discriminator 1024))
[ 16.303260][ T1] ? parameq (params.c:91 (discriminator 1792))
[ 16.305908][ T1] ? parse_args (params.c:177 (discriminator 1281))
[ 16.308825][ T1] ? __kasan_kmalloc (kasan/common.c:398
kasan/common.c:415)
[ 16.311896][ T1] do_initcall_level (main.c:1419 (discriminator 1))
[ 16.315225][ T1] do_initcalls (main.c:1435)
[ 16.317948][ T1] kernel_init_freeable (main.c:1670)
[ 16.321217][ T1] ? rest_init (main.c:?)
[ 16.323799][ T1] kernel_init (main.c:1560)
[ 16.326645][ T1] ? rest_init (main.c:?)
[ 16.329510][ T1] ret_from_fork (x86/kernel/process.c:158)
[ 16.332366][ T1] ? rest_init (main.c:?)
[ 16.335223][ T1] ret_from_fork_asm (x86/entry/entry_64.S:245)
[ 16.338294][ T1] </TASK>
[ 16.340000][ T1] irq event stamp: 158901
[ 16.344134][ T1] hardirqs last enabled at (158921): __console_unlock
(printk/printk.c:347 (discriminator 3) printk/printk.c:2932 (discriminator 3))
[ 16.353660][ T1] hardirqs last disabled at (158940): __console_unlock
(printk/printk.c:345 (discriminator 6) printk/printk.c:2932 (discriminator 6))
[ 16.362876][ T1] softirqs last enabled at (158574): __irq_exit_rcu
(softirq.c:679 softirq.c:519 softirq.c:767)
[ 16.370862][ T1] softirqs last disabled at (158565): __irq_exit_rcu
(softirq.c:679 softirq.c:519 softirq.c:767)
[ 16.377646][ T1] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260924/[email protected]
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
