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[  173.582730] WARNING: CPU: 1 PID: 2555 at drivers/gpu/drm/drm_framebuffer.c:867 drm_framebuffer_init+0x44/0x300
[  173.583833] Modules linked in:
[  173.584475] CPU: 1 UID: 0 PID: 2555 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.0-rc6-next-20250512 #1 PREEMPT(voluntary) 
[  173.585854] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  173.586130] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  173.586927] RIP: 0010:drm_framebuffer_init+0x44/0x300
[  173.587520] Code: 56 49 89 d6 48 89 f2 41 55 48 c1 ea 03 41 54 49 89 fc 53 48 89 f3 48 83 ec 18 80 3c 02 00 0f 85 00 02 00 00 4c 39 23 74 20 90 <0f> 0b 90 41 bd ea ff ff ff 48 83 c4 18 44 89 e8 5b 41 5c 41 5d 41
[  173.588514] RSP: 0000:ffff888109a2fb30 EFLAGS: 00010246
[  173.588871] RAX: dffffc0000000000 RBX: ffff888109a2fc28 RCX: 0000000000000000
[  173.589419] RDX: 1ffff11021345f8e RSI: ffff888109a2fc28 RDI: ffff888109a2fc70
[  173.589958] RBP: ffff888109a2fb70 R08: ffff88810987f000 R09: ffffffff911d6040
[  173.591221] R10: 0000000000000003 R11: 000000007f6618e1 R12: ffff88810987f000
[  173.591683] R13: ffff88810039fae8 R14: ffff888109a2fba8 R15: 0000000000000000
[  173.591936] FS:  0000000000000000(0000) GS:ffff8881c7f77000(0000) knlGS:0000000000000000
[  173.592181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  173.592391] CR2: 00007ffff7ffe000 CR3: 000000013debc000 CR4: 00000000000006f0
[  173.592615] DR0: ffffffff9324d4c4 DR1: ffffffff9324d4c9 DR2: ffffffff9324d4ca
[  173.592838] DR3: ffffffff9324d4cb DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  173.593057] Call Trace:
[  173.593191]  <TASK>
[  173.593855]  ? add_dr+0xc1/0x1d0
[  173.594855]  drm_test_framebuffer_init_bad_format+0xfc/0x240
[  173.595425]  ? add_dr+0x148/0x1d0
[  173.596009]  ? __pfx_drm_test_framebuffer_init_bad_format+0x10/0x10
[  173.596866]  ? __drmm_add_action+0x1a4/0x280
[  173.597484]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  173.597961]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  173.598716]  ? __drmm_add_action_or_reset+0x22/0x50
[  173.599330]  ? __schedule+0x10cc/0x2b60
[  173.599780]  ? __pfx_read_tsc+0x10/0x10
[  173.600261]  ? ktime_get_ts64+0x86/0x230
[  173.600627]  kunit_try_run_case+0x1a5/0x480
[  173.601053]  ? __pfx_kunit_try_run_case+0x10/0x10
[  173.601909]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  173.602764]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  173.603511]  ? __kthread_parkme+0x82/0x180
[  173.603867]  ? preempt_count_sub+0x50/0x80
[  173.604695]  ? __pfx_kunit_try_run_case+0x10/0x10
[  173.604976]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  173.605217]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  173.606392]  kthread+0x337/0x6f0
[  173.606825]  ? trace_preempt_on+0x20/0xc0
[  173.607497]  ? __pfx_kthread+0x10/0x10
[  173.607911]  ? _raw_spin_unlock_irq+0x47/0x80
[  173.608156]  ? calculate_sigpending+0x7b/0xa0
[  173.608935]  ? __pfx_kthread+0x10/0x10
[  173.609713]  ret_from_fork+0x116/0x1d0
[  173.609979]  ? __pfx_kthread+0x10/0x10
[  173.610858]  ret_from_fork_asm+0x1a/0x30
[  173.611493]  </TASK>
[  173.611712] ---[ end trace 0000000000000000 ]---