------------[ cut here ]------------
[  197.477989] WARNING: CPU: 0 PID: 2731 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  197.479093] Modules linked in:
[  197.479467] CPU: 0 UID: 0 PID: 2731 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[  197.481246] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  197.481710] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  197.482764] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  197.483485] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d c3 cc cc cc cc 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
[  197.485131] RSP: 0000:ffff88810a767c78 EFLAGS: 00010286
[  197.486001] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  197.486818] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffa6c240b8
[  197.487330] RBP: ffff88810a767ca0 R08: 0000000000000000 R09: ffffed10203ce900
[  197.487853] R10: ffff888101e74807 R11: 0000000000000000 R12: ffffffffa6c240a0
[  197.488832] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810a767d38
[  197.489457] FS:  0000000000000000(0000) GS:ffff8881b2493000(0000) knlGS:0000000000000000
[  197.490893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  197.491502] CR2: 00007ffff7ffe000 CR3: 00000001086ba000 CR4: 00000000000006f0
[  197.492072] DR0: ffffffffa8c30900 DR1: ffffffffa8c30901 DR2: ffffffffa8c30902
[  197.492967] DR3: ffffffffa8c30903 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  197.493550] Call Trace:
[  197.494404]  <TASK>
[  197.495001]  drm_test_rect_calc_hscale+0x108/0x270
[  197.495513]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  197.496168]  ? __schedule+0x10cc/0x2b60
[  197.496567]  ? __pfx_read_tsc+0x10/0x10
[  197.497071]  ? ktime_get_ts64+0x86/0x230
[  197.497514]  kunit_try_run_case+0x1a5/0x480
[  197.498440]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.499057]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  197.499588]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  197.500305]  ? __kthread_parkme+0x82/0x180
[  197.500966]  ? preempt_count_sub+0x50/0x80
[  197.501416]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.502359]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  197.503099]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  197.503699]  kthread+0x337/0x6f0
[  197.504069]  ? trace_preempt_on+0x20/0xc0
[  197.504478]  ? __pfx_kthread+0x10/0x10
[  197.505049]  ? _raw_spin_unlock_irq+0x47/0x80
[  197.505571]  ? calculate_sigpending+0x7b/0xa0
[  197.507080]  ? __pfx_kthread+0x10/0x10
[  197.507700]  ret_from_fork+0x41/0x80
[  197.508113]  ? __pfx_kthread+0x10/0x10
[  197.508470]  ret_from_fork_asm+0x1a/0x30
[  197.509026]  </TASK>
[  197.509409] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  197.437693] WARNING: CPU: 1 PID: 2729 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  197.438961] Modules linked in:
[  197.439402] CPU: 1 UID: 0 PID: 2729 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[  197.441348] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  197.442144] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  197.443050] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  197.443585] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d c3 cc cc cc cc 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
[  197.445746] RSP: 0000:ffff8881025ffc78 EFLAGS: 00010286
[  197.446850] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  197.447317] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffa6c24080
[  197.448034] RBP: ffff8881025ffca0 R08: 0000000000000000 R09: ffffed10201cace0
[  197.448914] R10: ffff888100e56707 R11: 0000000000000000 R12: ffffffffa6c24068
[  197.449871] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881025ffd38
[  197.450512] FS:  0000000000000000(0000) GS:ffff8881b2593000(0000) knlGS:0000000000000000
[  197.451331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  197.452205] CR2: 00007ffff7ffe000 CR3: 00000001086ba000 CR4: 00000000000006f0
[  197.452818] DR0: ffffffffa8c30900 DR1: ffffffffa8c30901 DR2: ffffffffa8c30903
[  197.453418] DR3: ffffffffa8c30905 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  197.454242] Call Trace:
[  197.454917]  <TASK>
[  197.455486]  drm_test_rect_calc_hscale+0x108/0x270
[  197.456492]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  197.457151]  ? __schedule+0x10cc/0x2b60
[  197.457497]  ? __pfx_read_tsc+0x10/0x10
[  197.458259]  ? ktime_get_ts64+0x86/0x230
[  197.458684]  kunit_try_run_case+0x1a5/0x480
[  197.459268]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.460364]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  197.461269]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  197.461775]  ? __kthread_parkme+0x82/0x180
[  197.462937]  ? preempt_count_sub+0x50/0x80
[  197.463323]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.464161]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  197.464977]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  197.465861]  kthread+0x337/0x6f0
[  197.466021]  ? trace_preempt_on+0x20/0xc0
[  197.467180]  ? __pfx_kthread+0x10/0x10
[  197.467804]  ? _raw_spin_unlock_irq+0x47/0x80
[  197.468343]  ? calculate_sigpending+0x7b/0xa0
[  197.468938]  ? __pfx_kthread+0x10/0x10
[  197.469432]  ret_from_fork+0x41/0x80
[  197.470011]  ? __pfx_kthread+0x10/0x10
[  197.470508]  ret_from_fork_asm+0x1a/0x30
[  197.471099]  </TASK>
[  197.471625] ---[ end trace 0000000000000000 ]---