------------[ cut here ]------------
[  201.240936] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#0: kunit_try_catch/2883
[  201.241305] Modules linked in:
[  201.241907] CPU: 0 UID: 0 PID: 2883 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) 
[  201.243796] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  201.244697] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  201.245625] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  201.246383] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 80 bf 22 02 8d 44 08 ff 99 f7 f9 89 c1 85 c0 79 d6 eb de 90 <0f> 0b 90 b9 ea ff ff ff 48 83 c4 08 5b 89 c8 41 5c 41 5d 41 5e 5d
[  201.248109] RSP: 0000:ffff88810459fc78 EFLAGS: 00010286
[  201.249066] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  201.249879] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffac25eb74
[  201.250708] RBP: ffff88810459fca0 R08: 0000000000000000 R09: ffffed1020e65600
[  201.251460] R10: ffff88810732b007 R11: 0000000000000000 R12: ffffffffac25eb60
[  201.252574] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810459fd38
[  201.253104] FS:  0000000000000000(0000) GS:ffff8881ace24000(0000) knlGS:0000000000000000
[  201.254285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  201.254822] CR2: 00007ffff7ffe000 CR3: 0000000131ebc000 CR4: 00000000000006f0
[  201.255075] DR0: ffffffffae2a2480 DR1: ffffffffae2a2481 DR2: ffffffffae2a2483
[  201.255307] DR3: ffffffffae2a2485 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  201.255552] Call Trace:
[  201.255660]  <TASK>
[  201.255779]  drm_test_rect_calc_vscale+0x108/0x270
[  201.256051]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  201.256286]  ? __schedule+0x10cc/0x2b60
[  201.256618]  ? __pfx_read_tsc+0x10/0x10
[  201.256846]  ? ktime_get_ts64+0x86/0x230
[  201.257094]  kunit_try_run_case+0x1a5/0x480
[  201.257481]  ? __pfx_kunit_try_run_case+0x10/0x10
[  201.257663]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  201.258020]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  201.258559]  ? __kthread_parkme+0x82/0x180
[  201.258806]  ? preempt_count_sub+0x50/0x80
[  201.259055]  ? __pfx_kunit_try_run_case+0x10/0x10
[  201.259392]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  201.259672]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  201.260035]  kthread+0x337/0x6f0
[  201.260286]  ? trace_preempt_on+0x20/0xc0
[  201.260582]  ? __pfx_kthread+0x10/0x10
[  201.260786]  ? _raw_spin_unlock_irq+0x47/0x80
[  201.261046]  ? calculate_sigpending+0x7b/0xa0
[  201.261339]  ? __pfx_kthread+0x10/0x10
[  201.261605]  ret_from_fork+0x116/0x1d0
[  201.261844]  ? __pfx_kthread+0x10/0x10
[  201.262085]  ret_from_fork_asm+0x1a/0x30
[  201.262566]  </TASK>
[  201.262736] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  201.217856] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#0: kunit_try_catch/2881
[  201.218488] Modules linked in:
[  201.218721] CPU: 0 UID: 0 PID: 2881 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4-next-20250704 #1 PREEMPT(voluntary) 
[  201.219297] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  201.219616] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  201.220079] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  201.220490] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 80 bf 22 02 8d 44 08 ff 99 f7 f9 89 c1 85 c0 79 d6 eb de 90 <0f> 0b 90 b9 ea ff ff ff 48 83 c4 08 5b 89 c8 41 5c 41 5d 41 5e 5d
[  201.221472] RSP: 0000:ffff8881046efc78 EFLAGS: 00010286
[  201.221719] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  201.222430] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffac25eb3c
[  201.222904] RBP: ffff8881046efca0 R08: 0000000000000000 R09: ffffed1020e663c0
[  201.223700] R10: ffff888107331e07 R11: 0000000000000000 R12: ffffffffac25eb28
[  201.224038] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881046efd38
[  201.224705] FS:  0000000000000000(0000) GS:ffff8881ace24000(0000) knlGS:0000000000000000
[  201.225512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  201.225953] CR2: 00007ffff7ffe000 CR3: 0000000131ebc000 CR4: 00000000000006f0
[  201.226205] DR0: ffffffffae2a2480 DR1: ffffffffae2a2481 DR2: ffffffffae2a2483
[  201.226453] DR3: ffffffffae2a2485 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  201.227122] Call Trace:
[  201.227295]  <TASK>
[  201.227554]  drm_test_rect_calc_vscale+0x108/0x270
[  201.227795]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  201.228224]  ? __schedule+0x10cc/0x2b60
[  201.228951]  ? __pfx_read_tsc+0x10/0x10
[  201.229614]  ? ktime_get_ts64+0x86/0x230
[  201.229994]  kunit_try_run_case+0x1a5/0x480
[  201.230455]  ? __pfx_kunit_try_run_case+0x10/0x10
[  201.230736]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  201.231206]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  201.231749]  ? __kthread_parkme+0x82/0x180
[  201.232113]  ? preempt_count_sub+0x50/0x80
[  201.232629]  ? __pfx_kunit_try_run_case+0x10/0x10
[  201.232874]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  201.233548]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  201.233855]  kthread+0x337/0x6f0
[  201.234036]  ? trace_preempt_on+0x20/0xc0
[  201.234574]  ? __pfx_kthread+0x10/0x10
[  201.234884]  ? _raw_spin_unlock_irq+0x47/0x80
[  201.235131]  ? calculate_sigpending+0x7b/0xa0
[  201.235686]  ? __pfx_kthread+0x10/0x10
[  201.235987]  ret_from_fork+0x116/0x1d0
[  201.236457]  ? __pfx_kthread+0x10/0x10
[  201.236671]  ret_from_fork_asm+0x1a/0x30
[  201.236878]  </TASK>
[  201.237047] ---[ end trace 0000000000000000 ]---