------------[ cut here ]------------
[  149.856838] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#1: kunit_try_catch/2794
[  149.857176] Modules linked in:
[  149.857626] CPU: 1 UID: 0 PID: 2794 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[  149.858579] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  149.858919] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  149.859366] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  149.859980] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 10 ce 20 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
[  149.861462] RSP: 0000:ffff8881031e7c78 EFLAGS: 00010286
[  149.862162] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  149.862817] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff8643735c
[  149.863028] RBP: ffff8881031e7ca0 R08: 0000000000000000 R09: ffffed102055d7c0
[  149.863650] R10: ffff888102aebe07 R11: 0000000000000000 R12: ffffffff86437348
[  149.864282] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881031e7d38
[  149.864988] FS:  0000000000000000(0000) GS:ffff8881cc367000(0000) knlGS:0000000000000000
[  149.865765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  149.866273] CR2: dffffc00000000c5 CR3: 00000001660bc000 CR4: 00000000000006f0
[  149.866746] DR0: ffffffff8845d440 DR1: ffffffff8845d441 DR2: ffffffff8845d443
[  149.867324] DR3: ffffffff8845d445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  149.867882] Call Trace:
[  149.868161]  <TASK>
[  149.868385]  drm_test_rect_calc_vscale+0x108/0x270
[  149.868657]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  149.868830]  ? __schedule+0x10cc/0x2b60
[  149.868968]  ? __pfx_read_tsc+0x10/0x10
[  149.869104]  ? ktime_get_ts64+0x86/0x230
[  149.869316]  kunit_try_run_case+0x1a5/0x480
[  149.869519]  ? __pfx_kunit_try_run_case+0x10/0x10
[  149.869742]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  149.869954]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  149.870325]  ? __kthread_parkme+0x82/0x180
[  149.870627]  ? preempt_count_sub+0x50/0x80
[  149.870833]  ? __pfx_kunit_try_run_case+0x10/0x10
[  149.871051]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  149.871336]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  149.871619]  kthread+0x337/0x6f0
[  149.871763]  ? trace_preempt_on+0x20/0xc0
[  149.871965]  ? __pfx_kthread+0x10/0x10
[  149.872182]  ? _raw_spin_unlock_irq+0x47/0x80
[  149.872387]  ? calculate_sigpending+0x7b/0xa0
[  149.872804]  ? __pfx_kthread+0x10/0x10
[  149.873001]  ret_from_fork+0x116/0x1d0
[  149.873175]  ? __pfx_kthread+0x10/0x10
[  149.873373]  ret_from_fork_asm+0x1a/0x30
[  149.873644]  </TASK>
[  149.873737] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  149.877388] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#1: kunit_try_catch/2796
[  149.878028] Modules linked in:
[  149.878193] CPU: 1 UID: 0 PID: 2796 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[  149.878722] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  149.879303] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  149.879976] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  149.880567] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 10 ce 20 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
[  149.881565] RSP: 0000:ffff888102f97c78 EFLAGS: 00010286
[  149.881754] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  149.881960] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff86437394
[  149.882302] RBP: ffff888102f97ca0 R08: 0000000000000000 R09: ffffed10206f21a0
[  149.883129] R10: ffff888103790d07 R11: 0000000000000000 R12: ffffffff86437380
[  149.884017] R13: 0000000000000000 R14: 000000007fffffff R15: ffff888102f97d38
[  149.884826] FS:  0000000000000000(0000) GS:ffff8881cc367000(0000) knlGS:0000000000000000
[  149.885655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  149.886056] CR2: dffffc00000000c5 CR3: 00000001660bc000 CR4: 00000000000006f0
[  149.886622] DR0: ffffffff8845d440 DR1: ffffffff8845d441 DR2: ffffffff8845d443
[  149.887127] DR3: ffffffff8845d445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  149.887346] Call Trace:
[  149.887592]  <TASK>
[  149.887844]  drm_test_rect_calc_vscale+0x108/0x270
[  149.888314]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  149.888907]  ? __schedule+0x10cc/0x2b60
[  149.889412]  ? __pfx_read_tsc+0x10/0x10
[  149.889878]  ? ktime_get_ts64+0x86/0x230
[  149.890086]  kunit_try_run_case+0x1a5/0x480
[  149.890615]  ? __pfx_kunit_try_run_case+0x10/0x10
[  149.890780]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  149.890932]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  149.891092]  ? __kthread_parkme+0x82/0x180
[  149.891264]  ? preempt_count_sub+0x50/0x80
[  149.891497]  ? __pfx_kunit_try_run_case+0x10/0x10
[  149.891720]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  149.893639]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  149.893933]  kthread+0x337/0x6f0
[  149.894082]  ? trace_preempt_on+0x20/0xc0
[  149.894247]  ? __pfx_kthread+0x10/0x10
[  149.894436]  ? _raw_spin_unlock_irq+0x47/0x80
[  149.894595]  ? calculate_sigpending+0x7b/0xa0
[  149.895012]  ? __pfx_kthread+0x10/0x10
[  149.895296]  ret_from_fork+0x116/0x1d0
[  149.895522]  ? __pfx_kthread+0x10/0x10
[  149.895752]  ret_from_fork_asm+0x1a/0x30
[  149.895970]  </TASK>
[  149.896089] ---[ end trace 0000000000000000 ]---