------------[ cut here ]------------
[  163.534684] WARNING: CPU: 1 PID: 2766 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  163.535291] Modules linked in:
[  163.535523] CPU: 1 UID: 0 PID: 2766 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[  163.536115] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  163.536533] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  163.537166] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  163.537763] 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
[  163.538777] RSP: 0000:ffff88810a45fc78 EFLAGS: 00010286
[  163.539135] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  163.539502] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffba432ef4
[  163.539866] RBP: ffff88810a45fca0 R08: 0000000000000000 R09: ffffed1020630520
[  163.540351] R10: ffff888103182907 R11: 0000000000000000 R12: ffffffffba432ee0
[  163.540697] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810a45fd38
[  163.541057] FS:  0000000000000000(0000) GS:ffff88819ed74000(0000) knlGS:0000000000000000
[  163.541708] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.542115] CR2: 00007ffff7ffe000 CR3: 0000000071ebc000 CR4: 00000000000006f0
[  163.542646] DR0: ffffffffbc450444 DR1: ffffffffbc450449 DR2: ffffffffbc45044a
[  163.542984] DR3: ffffffffbc45044b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  163.543467] Call Trace:
[  163.543681]  <TASK>
[  163.543881]  drm_test_rect_calc_vscale+0x108/0x270
[  163.544168]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  163.544496]  ? __schedule+0x10cc/0x2b60
[  163.545076]  ? __pfx_read_tsc+0x10/0x10
[  163.545459]  ? ktime_get_ts64+0x86/0x230
[  163.545703]  kunit_try_run_case+0x1a5/0x480
[  163.545934]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.546339]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  163.546629]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  163.546893]  ? __kthread_parkme+0x82/0x180
[  163.547157]  ? preempt_count_sub+0x50/0x80
[  163.547458]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.547758]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  163.548090]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  163.548501]  kthread+0x337/0x6f0
[  163.548768]  ? trace_preempt_on+0x20/0xc0
[  163.549010]  ? __pfx_kthread+0x10/0x10
[  163.549460]  ? _raw_spin_unlock_irq+0x47/0x80
[  163.549779]  ? calculate_sigpending+0x7b/0xa0
[  163.550048]  ? __pfx_kthread+0x10/0x10
[  163.550408]  ret_from_fork+0x116/0x1d0
[  163.550654]  ? __pfx_kthread+0x10/0x10
[  163.550976]  ret_from_fork_asm+0x1a/0x30
[  163.551358]  </TASK>
[  163.551546] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  163.507654] WARNING: CPU: 0 PID: 2764 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  163.508813] Modules linked in:
[  163.509344] CPU: 0 UID: 0 PID: 2764 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[  163.509748] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  163.509966] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  163.511669] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  163.512359] 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
[  163.514442] RSP: 0000:ffff88810ab47c78 EFLAGS: 00010286
[  163.515052] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  163.515706] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffffba432ebc
[  163.516297] RBP: ffff88810ab47ca0 R08: 0000000000000000 R09: ffffed1021a7dac0
[  163.517081] R10: ffff88810d3ed607 R11: 0000000000000000 R12: ffffffffba432ea8
[  163.517867] R13: 0000000000000000 R14: 000000007fffffff R15: ffff88810ab47d38
[  163.518511] FS:  0000000000000000(0000) GS:ffff88819ec74000(0000) knlGS:0000000000000000
[  163.518810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  163.519128] CR2: 00007ffff7ffe000 CR3: 0000000071ebc000 CR4: 00000000000006f0
[  163.520307] DR0: ffffffffbc450440 DR1: ffffffffbc450441 DR2: ffffffffbc450443
[  163.521005] DR3: ffffffffbc450445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  163.522091] Call Trace:
[  163.522591]  <TASK>
[  163.522884]  drm_test_rect_calc_vscale+0x108/0x270
[  163.523338]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  163.523553]  ? __schedule+0x10cc/0x2b60
[  163.523721]  ? __pfx_read_tsc+0x10/0x10
[  163.523913]  ? ktime_get_ts64+0x86/0x230
[  163.524127]  kunit_try_run_case+0x1a5/0x480
[  163.524439]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.524677]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  163.524945]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  163.525300]  ? __kthread_parkme+0x82/0x180
[  163.525513]  ? preempt_count_sub+0x50/0x80
[  163.525760]  ? __pfx_kunit_try_run_case+0x10/0x10
[  163.526050]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  163.526291]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  163.526589]  kthread+0x337/0x6f0
[  163.527067]  ? trace_preempt_on+0x20/0xc0
[  163.527401]  ? __pfx_kthread+0x10/0x10
[  163.527613]  ? _raw_spin_unlock_irq+0x47/0x80
[  163.527868]  ? calculate_sigpending+0x7b/0xa0
[  163.528111]  ? __pfx_kthread+0x10/0x10
[  163.528403]  ret_from_fork+0x116/0x1d0
[  163.528599]  ? __pfx_kthread+0x10/0x10
[  163.528755]  ret_from_fork_asm+0x1a/0x30
[  163.528936]  </TASK>
[  163.529120] ---[ end trace 0000000000000000 ]---