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Date
June 7, 2025, 10:40 a.m.

Environment
qemu-x86_64 

------------[ cut here ]------------
[  195.756560] WARNING: CPU: 1 PID: 2182 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  195.759003] Modules linked in:
[  195.761007] CPU: 1 UID: 0 PID: 2182 Comm: kunit_try_catch Tainted: G    B D W        N 6.12.33-rc1 #1
[  195.762358] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  195.764477] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  195.764917] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  195.765764] 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
[  195.767054] RSP: 0000:ffff888107367ce8 EFLAGS: 00010286
[  195.768370] RAX: 0000000000010000 RBX: 00000000ffff0000 RCX: 00000000ffff0000
[  195.769007] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffff873fb398
[  195.769579] RBP: ffff888107367d10 R08: 0000000000000000 R09: ffffed1020ec0c20
[  195.770108] R10: ffff888107606107 R11: 0000000000000000 R12: ffffffff873fb380
[  195.771047] R13: 0000000000000000 R14: 000000007fffffff R15: ffff888107367da8
[  195.772035] FS:  0000000000000000(0000) GS:ffff88815b100000(0000) knlGS:0000000000000000
[  195.772930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  195.773825] CR2: ffffffffffffffff CR3: 00000001334b4000 CR4: 00000000000006f0
[  195.774194] DR0: ffffffff893bf364 DR1: ffffffff893bf369 DR2: ffffffff893bf36a
[  195.774696] DR3: ffffffff893bf36b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  195.775809] Call Trace:
[  195.776193]  <TASK>
[  195.776505]  drm_test_rect_calc_hscale+0x109/0x270
[  195.777620]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  195.778080]  ? __schedule+0xc49/0x27a0
[  195.778458]  ? __pfx_read_tsc+0x10/0x10
[  195.778815]  ? ktime_get_ts64+0x84/0x230
[  195.779187]  kunit_try_run_case+0x1a6/0x480
[  195.780353]  ? __pfx_kunit_try_run_case+0x10/0x10
[  195.780836]  ? _raw_spin_lock_irqsave+0xa2/0x110
[  195.781251]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  195.781697]  ? __kthread_parkme+0x82/0x160
[  195.782060]  ? preempt_count_sub+0x50/0x80
[  195.782815]  ? __pfx_kunit_try_run_case+0x10/0x10
[  195.783872]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  195.785075]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  195.786288]  kthread+0x257/0x310
[  195.786989]  ? __pfx_kthread+0x10/0x10
[  195.787734]  ret_from_fork+0x41/0x80
[  195.788323]  ? __pfx_kthread+0x10/0x10
[  195.788880]  ret_from_fork_asm+0x1a/0x30
[  195.789251]  </TASK>
[  195.789485] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  195.714392] WARNING: CPU: 0 PID: 2180 at drivers/gpu/drm/drm_rect.c:137 drm_rect_calc_hscale+0x125/0x190
[  195.716406] Modules linked in:
[  195.716898] CPU: 0 UID: 0 PID: 2180 Comm: kunit_try_catch Tainted: G    B D W        N 6.12.33-rc1 #1
[  195.718258] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  195.718571] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  195.719827] RIP: 0010:drm_rect_calc_hscale+0x125/0x190
[  195.720671] 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
[  195.722448] RSP: 0000:ffff8881010d7ce8 EFLAGS: 00010286
[  195.723234] RAX: 00000000ffff0000 RBX: 00000000ffff0000 RCX: 0000000000010000
[  195.724199] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffff873fb360
[  195.725204] RBP: ffff8881010d7d10 R08: 0000000000000000 R09: ffffed1020ec0c00
[  195.726058] R10: ffff888107606007 R11: 0000000000000000 R12: ffffffff873fb348
[  195.727241] R13: 0000000000000000 R14: 000000007fffffff R15: ffff8881010d7da8
[  195.728205] FS:  0000000000000000(0000) GS:ffff88815b000000(0000) knlGS:0000000000000000
[  195.729717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  195.730576] CR2: 00007ffff7ffe000 CR3: 00000001334b4000 CR4: 00000000000006f0
[  195.731610] DR0: ffffffff893bf360 DR1: ffffffff893bf361 DR2: ffffffff893bf363
[  195.732387] DR3: ffffffff893bf365 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  195.733162] Call Trace:
[  195.733434]  <TASK>
[  195.734196]  drm_test_rect_calc_hscale+0x109/0x270
[  195.734833]  ? __pfx_drm_test_rect_calc_hscale+0x10/0x10
[  195.735301]  ? __schedule+0xc49/0x27a0
[  195.735742]  ? __pfx_read_tsc+0x10/0x10
[  195.736750]  ? ktime_get_ts64+0x84/0x230
[  195.737335]  kunit_try_run_case+0x1a6/0x480
[  195.737788]  ? __pfx_kunit_try_run_case+0x10/0x10
[  195.738253]  ? _raw_spin_lock_irqsave+0xa2/0x110
[  195.738951]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  195.739322]  ? __kthread_parkme+0x82/0x160
[  195.739677]  ? preempt_count_sub+0x50/0x80
[  195.740298]  ? __pfx_kunit_try_run_case+0x10/0x10
[  195.740760]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  195.741686]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  195.742400]  kthread+0x257/0x310
[  195.743336]  ? __pfx_kthread+0x10/0x10
[  195.744192]  ret_from_fork+0x41/0x80
[  195.744780]  ? __pfx_kthread+0x10/0x10
[  195.745214]  ret_from_fork_asm+0x1a/0x30
[  195.746008]  </TASK>
[  195.746338] ---[ end trace 0000000000000000 ]---
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