------------[ cut here ]------------
[  197.572588] WARNING: CPU: 0 PID: 2743 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  197.573860] Modules linked in:
[  197.574233] CPU: 0 UID: 0 PID: 2743 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[  197.575458] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  197.576255] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  197.577224] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  197.578427] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 40 b3 1a 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
[  197.579872] RSP: 0000:ffff88810c78fc78 EFLAGS: 00010286
[  197.580401] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  197.580994] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffa6c240b4
[  197.582019] RBP: ffff88810c78fca0 R08: 0000000000000000 R09: ffffed10203ce9c0
[  197.583017] R10: ffff888101e74e07 R11: 0000000000000000 R12: ffffffffa6c240a0
[  197.583597] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810c78fd38
[  197.584299] FS:  0000000000000000(0000) GS:ffff8881b2493000(0000) knlGS:0000000000000000
[  197.585242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  197.586023] CR2: 00007ffff7ffe000 CR3: 00000001086ba000 CR4: 00000000000006f0
[  197.586594] DR0: ffffffffa8c30900 DR1: ffffffffa8c30901 DR2: ffffffffa8c30902
[  197.587135] DR3: ffffffffa8c30903 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  197.587905] Call Trace:
[  197.588282]  <TASK>
[  197.588539]  drm_test_rect_calc_vscale+0x108/0x270
[  197.589505]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  197.590347]  ? __schedule+0x10cc/0x2b60
[  197.590971]  ? __pfx_read_tsc+0x10/0x10
[  197.591473]  ? ktime_get_ts64+0x86/0x230
[  197.592188]  kunit_try_run_case+0x1a5/0x480
[  197.592999]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.593507]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  197.594205]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  197.594888]  ? __kthread_parkme+0x82/0x180
[  197.595470]  ? preempt_count_sub+0x50/0x80
[  197.596172]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.596986]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  197.597555]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  197.598448]  kthread+0x337/0x6f0
[  197.599009]  ? trace_preempt_on+0x20/0xc0
[  197.599454]  ? __pfx_kthread+0x10/0x10
[  197.600085]  ? _raw_spin_unlock_irq+0x47/0x80
[  197.600994]  ? calculate_sigpending+0x7b/0xa0
[  197.601473]  ? __pfx_kthread+0x10/0x10
[  197.602187]  ret_from_fork+0x41/0x80
[  197.602798]  ? __pfx_kthread+0x10/0x10
[  197.603243]  ret_from_fork_asm+0x1a/0x30
[  197.603957]  </TASK>
[  197.604252] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  197.533802] WARNING: CPU: 1 PID: 2741 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  197.534789] Modules linked in:
[  197.535790] CPU: 1 UID: 0 PID: 2741 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[  197.536519] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  197.537481] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  197.538251] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  197.538730] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 40 b3 1a 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
[  197.540964] RSP: 0000:ffff88810accfc78 EFLAGS: 00010286
[  197.541872] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  197.542468] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffa6c2407c
[  197.543370] RBP: ffff88810accfca0 R08: 0000000000000000 R09: ffffed10201cad80
[  197.544198] R10: ffff888100e56c07 R11: 0000000000000000 R12: ffffffffa6c24068
[  197.545216] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810accfd38
[  197.546245] FS:  0000000000000000(0000) GS:ffff8881b2593000(0000) knlGS:0000000000000000
[  197.547091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  197.548015] CR2: 00007ffff7ffe000 CR3: 00000001086ba000 CR4: 00000000000006f0
[  197.549099] DR0: ffffffffa8c30900 DR1: ffffffffa8c30901 DR2: ffffffffa8c30903
[  197.550058] DR3: ffffffffa8c30905 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  197.550956] Call Trace:
[  197.551198]  <TASK>
[  197.551405]  drm_test_rect_calc_vscale+0x108/0x270
[  197.551767]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  197.552878]  ? __schedule+0x10cc/0x2b60
[  197.553207]  ? __pfx_read_tsc+0x10/0x10
[  197.554397]  ? ktime_get_ts64+0x86/0x230
[  197.555014]  kunit_try_run_case+0x1a5/0x480
[  197.555947]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.556564]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  197.557427]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  197.558330]  ? __kthread_parkme+0x82/0x180
[  197.558875]  ? preempt_count_sub+0x50/0x80
[  197.559472]  ? __pfx_kunit_try_run_case+0x10/0x10
[  197.560213]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  197.560806]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  197.561505]  kthread+0x337/0x6f0
[  197.562091]  ? trace_preempt_on+0x20/0xc0
[  197.562497]  ? __pfx_kthread+0x10/0x10
[  197.563031]  ? _raw_spin_unlock_irq+0x47/0x80
[  197.563583]  ? calculate_sigpending+0x7b/0xa0
[  197.564200]  ? __pfx_kthread+0x10/0x10
[  197.564597]  ret_from_fork+0x41/0x80
[  197.565197]  ? __pfx_kthread+0x10/0x10
[  197.565763]  ret_from_fork_asm+0x1a/0x30
[  197.566360]  </TASK>
[  197.566751] ---[ end trace 0000000000000000 ]---