------------[ cut here ]------------
[  163.441721] WARNING: CPU: 0 PID: 2752 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  163.442829] Modules linked in:
[  163.443029] CPU: 0 UID: 0 PID: 2752 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[  163.444292] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  163.444725] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  163.445049] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  163.445398] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 5b cf 1e 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
[  163.446126] RSP: 0000:ffff88810ab87c78 EFLAGS: 00010286
[  163.446483] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  163.446805] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffba432ec0
[  163.447141] RBP: ffff88810ab87ca0 R08: 0000000000000000 R09: ffffed1021a7da00
[  163.447804] R10: ffff88810d3ed007 R11: 0000000000000000 R12: ffffffffba432ea8
[  163.448367] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810ab87d38
[  163.448804] FS:  0000000000000000(0000) GS:ffff88819ec74000(0000) knlGS:0000000000000000
[  163.449344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.449621] CR2: 00007ffff7ffe000 CR3: 0000000071ebc000 CR4: 00000000000006f0
[  163.449953] DR0: ffffffffbc450440 DR1: ffffffffbc450441 DR2: ffffffffbc450443
[  163.450539] DR3: ffffffffbc450445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  163.451018] Call Trace:
[  163.451226]  <TASK>
[  163.451628]  drm_test_rect_calc_hscale+0x108/0x270
[  163.451916]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  163.452452]  ? __schedule+0x10cc/0x2b60
[  163.452844]  ? __pfx_read_tsc+0x10/0x10
[  163.453489]  ? ktime_get_ts64+0x86/0x230
[  163.453717]  kunit_try_run_case+0x1a5/0x480
[  163.454097]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.454809]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  163.455088]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  163.455549]  ? __kthread_parkme+0x82/0x180
[  163.456058]  ? preempt_count_sub+0x50/0x80
[  163.456552]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.456829]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  163.457097]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  163.457764]  kthread+0x337/0x6f0
[  163.458128]  ? trace_preempt_on+0x20/0xc0
[  163.458713]  ? __pfx_kthread+0x10/0x10
[  163.459089]  ? _raw_spin_unlock_irq+0x47/0x80
[  163.459668]  ? calculate_sigpending+0x7b/0xa0
[  163.460039]  ? __pfx_kthread+0x10/0x10
[  163.460547]  ret_from_fork+0x116/0x1d0
[  163.460792]  ? __pfx_kthread+0x10/0x10
[  163.460997]  ret_from_fork_asm+0x1a/0x30
[  163.461605]  </TASK>
[  163.461753] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  163.466708] WARNING: CPU: 1 PID: 2754 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  163.467533] Modules linked in:
[  163.467873] CPU: 1 UID: 0 PID: 2754 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[  163.468672] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  163.468980] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  163.469751] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  163.470034] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 5b cf 1e 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
[  163.471260] RSP: 0000:ffff88810a45fc78 EFLAGS: 00010286
[  163.471660] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  163.472011] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffba432ef8
[  163.472542] RBP: ffff88810a45fca0 R08: 0000000000000000 R09: ffffed1020630480
[  163.473018] R10: ffff888103182407 R11: 0000000000000000 R12: ffffffffba432ee0
[  163.473432] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810a45fd38
[  163.473745] FS:  0000000000000000(0000) GS:ffff88819ed74000(0000) knlGS:0000000000000000
[  163.474105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.474767] CR2: 00007ffff7ffe000 CR3: 0000000071ebc000 CR4: 00000000000006f0
[  163.475389] DR0: ffffffffbc450444 DR1: ffffffffbc450449 DR2: ffffffffbc45044a
[  163.475851] DR3: ffffffffbc45044b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  163.476370] Call Trace:
[  163.476535]  <TASK>
[  163.476925]  drm_test_rect_calc_hscale+0x108/0x270
[  163.477422]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  163.477725]  ? __schedule+0x10cc/0x2b60
[  163.477973]  ? __pfx_read_tsc+0x10/0x10
[  163.478186]  ? ktime_get_ts64+0x86/0x230
[  163.478508]  kunit_try_run_case+0x1a5/0x480
[  163.478775]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.479017]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  163.479310]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  163.479638]  ? __kthread_parkme+0x82/0x180
[  163.479904]  ? preempt_count_sub+0x50/0x80
[  163.480165]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.480384]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  163.480813]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  163.481093]  kthread+0x337/0x6f0
[  163.481252]  ? trace_preempt_on+0x20/0xc0
[  163.481496]  ? __pfx_kthread+0x10/0x10
[  163.481959]  ? _raw_spin_unlock_irq+0x47/0x80
[  163.482375]  ? calculate_sigpending+0x7b/0xa0
[  163.482615]  ? __pfx_kthread+0x10/0x10
[  163.482823]  ret_from_fork+0x116/0x1d0
[  163.482996]  ? __pfx_kthread+0x10/0x10
[  163.483214]  ret_from_fork_asm+0x1a/0x30
[  163.483543]  </TASK>
[  163.483665] ---[ end trace 0000000000000000 ]---