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Date
June 2, 2025, 2:10 p.m.

Environment
qemu-x86_64 

------------[ cut here ]------------
[  139.561155] WARNING: CPU: 1 PID: 2192 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  139.561747] Modules linked in:
[  139.561981] CPU: 1 UID: 0 PID: 2192 Comm: kunit_try_catch Tainted: G    B D W        N 6.12.32-rc1 #1
[  139.563018] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  139.563164] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  139.563925] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  139.564449] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 10 8b 09 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
[  139.564859] RSP: 0000:ffff888107e4fce8 EFLAGS: 00010286
[  139.565340] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  139.565614] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff85bfb35c
[  139.565839] RBP: ffff888107e4fd10 R08: 0000000000000000 R09: ffffed1020f6d380
[  139.566271] R10: ffff888107b69c07 R11: 0000000000000000 R12: ffffffff85bfb348
[  139.566452] R13: 0000000000000000 R14: 000000007fffffff R15: ffff888107e4fda8
[  139.566721] FS:  0000000000000000(0000) GS:ffff88815b100000(0000) knlGS:0000000000000000
[  139.566894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  139.567205] CR2: 00007ffff7ffe000 CR3: 00000000504b4000 CR4: 00000000000006f0
[  139.567575] DR0: ffffffff87bbf360 DR1: ffffffff87bbf361 DR2: ffffffff87bbf363
[  139.567864] DR3: ffffffff87bbf365 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  139.568069] Call Trace:
[  139.568347]  <TASK>
[  139.568452]  drm_test_rect_calc_vscale+0x109/0x270
[  139.568595]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  139.568951]  ? __schedule+0xc49/0x27a0
[  139.569454]  ? __pfx_read_tsc+0x10/0x10
[  139.569727]  ? ktime_get_ts64+0x84/0x230
[  139.570057]  kunit_try_run_case+0x1a6/0x480
[  139.570447]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.570605]  ? _raw_spin_lock_irqsave+0xa2/0x110
[  139.570713]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  139.571007]  ? __kthread_parkme+0x82/0x160
[  139.571270]  ? preempt_count_sub+0x50/0x80
[  139.571480]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.571582]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  139.571875]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  139.572030]  kthread+0x257/0x310
[  139.572460]  ? __pfx_kthread+0x10/0x10
[  139.572798]  ret_from_fork+0x41/0x80
[  139.573042]  ? __pfx_kthread+0x10/0x10
[  139.573484]  ret_from_fork_asm+0x1a/0x30
[  139.573818]  </TASK>
[  139.573949] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  139.577766] WARNING: CPU: 1 PID: 2194 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_vscale+0x130/0x190
[  139.578235] Modules linked in:
[  139.578386] CPU: 1 UID: 0 PID: 2194 Comm: kunit_try_catch Tainted: G    B D W        N 6.12.32-rc1 #1
[  139.579297] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  139.579454] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  139.579604] RIP: 0010:drm_rect_calc_vscale+0x130/0x190
[  139.579730] Code: 7f 43 41 39 ce 7c 3e 48 83 c4 08 89 c8 5b 41 5c 41 5d 41 5e 5d e9 10 8b 09 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
[  139.580320] RSP: 0000:ffff888102497ce8 EFLAGS: 00010286
[  139.580749] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  139.580970] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff85bfb394
[  139.581589] RBP: ffff888102497d10 R08: 0000000000000000 R09: ffffed1020409f80
[  139.581757] R10: ffff88810204fc07 R11: 0000000000000000 R12: ffffffff85bfb380
[  139.582002] R13: 0000000000000000 R14: 000000007fffffff R15: ffff888102497da8
[  139.582299] FS:  0000000000000000(0000) GS:ffff88815b100000(0000) knlGS:0000000000000000
[  139.582610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  139.582836] CR2: 00007ffff7ffe000 CR3: 00000000504b4000 CR4: 00000000000006f0
[  139.583084] DR0: ffffffff87bbf360 DR1: ffffffff87bbf361 DR2: ffffffff87bbf363
[  139.583524] DR3: ffffffff87bbf365 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  139.583738] Call Trace:
[  139.583813]  <TASK>
[  139.583887]  drm_test_rect_calc_vscale+0x109/0x270
[  139.584160]  ? __pfx_drm_test_rect_calc_vscale+0x10/0x10
[  139.584667]  ? __schedule+0xc49/0x27a0
[  139.584918]  ? __pfx_read_tsc+0x10/0x10
[  139.585056]  ? ktime_get_ts64+0x84/0x230
[  139.585370]  kunit_try_run_case+0x1a6/0x480
[  139.585471]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.585767]  ? _raw_spin_lock_irqsave+0xa2/0x110
[  139.585940]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  139.586185]  ? __kthread_parkme+0x82/0x160
[  139.586439]  ? preempt_count_sub+0x50/0x80
[  139.586632]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.586916]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  139.587259]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  139.587773]  kthread+0x257/0x310
[  139.587910]  ? __pfx_kthread+0x10/0x10
[  139.588033]  ret_from_fork+0x41/0x80
[  139.588488]  ? __pfx_kthread+0x10/0x10
[  139.588667]  ret_from_fork_asm+0x1a/0x30
[  139.588987]  </TASK>
[  139.589374] ---[ end trace 0000000000000000 ]---
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