------------[ cut here ]------------
[  202.428987] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#0: kunit_try_catch/2860
[  202.430452] Modules linked in:
[  202.430838] CPU: 0 UID: 0 PID: 2860 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc3-next-20250624 #1 PREEMPT(voluntary) 
[  202.432040] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  202.432447] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  202.433498] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  202.433984] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 c0 02 21 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
[  202.435337] RSP: 0000:ffff88810976fc78 EFLAGS: 00010286
[  202.435878] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  202.436589] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff9fa5cfb4
[  202.437171] RBP: ffff88810976fca0 R08: 0000000000000000 R09: ffffed1020a59680
[  202.438834] R10: ffff8881052cb407 R11: 0000000000000000 R12: ffffffff9fa5cfa0
[  202.439464] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810976fd38
[  202.440553] FS:  0000000000000000(0000) GS:ffff8881b962f000(0000) knlGS:0000000000000000
[  202.441180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  202.441523] CR2: dffffc00000000c5 CR3: 000000002c6bc000 CR4: 00000000000006f0
[  202.442223] DR0: ffffffffa1a97480 DR1: ffffffffa1a97481 DR2: ffffffffa1a97482
[  202.443377] DR3: ffffffffa1a97483 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  202.443985] Call Trace:
[  202.444167]  <TASK>
[  202.444321]  drm_test_rect_calc_vscale+0x108/0x270
[  202.445612]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  202.446129]  ? __schedule+0x10cc/0x2b60
[  202.446778]  ? __pfx_read_tsc+0x10/0x10
[  202.446988]  ? ktime_get_ts64+0x86/0x230
[  202.447671]  kunit_try_run_case+0x1a5/0x480
[  202.448615]  ? __pfx_kunit_try_run_case+0x10/0x10
[  202.449027]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  202.450058]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  202.450501]  ? __kthread_parkme+0x82/0x180
[  202.450796]  ? preempt_count_sub+0x50/0x80
[  202.451551]  ? __pfx_kunit_try_run_case+0x10/0x10
[  202.452085]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  202.452849]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  202.453706]  kthread+0x337/0x6f0
[  202.453986]  ? trace_preempt_on+0x20/0xc0
[  202.454818]  ? __pfx_kthread+0x10/0x10
[  202.455268]  ? _raw_spin_unlock_irq+0x47/0x80
[  202.455897]  ? calculate_sigpending+0x7b/0xa0
[  202.456370]  ? __pfx_kthread+0x10/0x10
[  202.457249]  ret_from_fork+0x116/0x1d0
[  202.457953]  ? __pfx_kthread+0x10/0x10
[  202.458484]  ret_from_fork_asm+0x1a/0x30
[  202.458821]  </TASK>
[  202.458999] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  202.393297] WARNING: drivers/gpu/drm/drm_rect.c:137 at drm_rect_calc_vscale+0x130/0x190, CPU#0: kunit_try_catch/2858
[  202.394863] Modules linked in:
[  202.395160] CPU: 0 UID: 0 PID: 2858 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc3-next-20250624 #1 PREEMPT(voluntary) 
[  202.396008] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  202.396404] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  202.397766] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  202.398826] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 c0 02 21 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
[  202.400814] RSP: 0000:ffff8881099afc78 EFLAGS: 00010286
[  202.401502] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  202.401977] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff9fa5cf7c
[  202.402776] RBP: ffff8881099afca0 R08: 0000000000000000 R09: ffffed1020a59640
[  202.403595] R10: ffff8881052cb207 R11: 0000000000000000 R12: ffffffff9fa5cf68
[  202.404039] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881099afd38
[  202.405296] FS:  0000000000000000(0000) GS:ffff8881b962f000(0000) knlGS:0000000000000000
[  202.405893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  202.406384] CR2: dffffc00000000c5 CR3: 000000002c6bc000 CR4: 00000000000006f0
[  202.407213] DR0: ffffffffa1a97480 DR1: ffffffffa1a97481 DR2: ffffffffa1a97482
[  202.407809] DR3: ffffffffa1a97483 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  202.408402] Call Trace:
[  202.408803]  <TASK>
[  202.409624]  drm_test_rect_calc_vscale+0x108/0x270
[  202.409995]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  202.410634]  ? __schedule+0x10cc/0x2b60
[  202.411324]  ? __pfx_read_tsc+0x10/0x10
[  202.411730]  ? ktime_get_ts64+0x86/0x230
[  202.412349]  kunit_try_run_case+0x1a5/0x480
[  202.412709]  ? __pfx_kunit_try_run_case+0x10/0x10
[  202.413341]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  202.413794]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  202.414361]  ? __kthread_parkme+0x82/0x180
[  202.414965]  ? preempt_count_sub+0x50/0x80
[  202.415550]  ? __pfx_kunit_try_run_case+0x10/0x10
[  202.416445]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  202.417038]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  202.417656]  kthread+0x337/0x6f0
[  202.418019]  ? trace_preempt_on+0x20/0xc0
[  202.418498]  ? __pfx_kthread+0x10/0x10
[  202.418734]  ? _raw_spin_unlock_irq+0x47/0x80
[  202.419211]  ? calculate_sigpending+0x7b/0xa0
[  202.419675]  ? __pfx_kthread+0x10/0x10
[  202.420077]  ret_from_fork+0x116/0x1d0
[  202.420367]  ? __pfx_kthread+0x10/0x10
[  202.421217]  ret_from_fork_asm+0x1a/0x30
[  202.421641]  </TASK>
[  202.421804] ---[ end trace 0000000000000000 ]---