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[  161.155084] WARNING: CPU: 0 PID: 2556 at drivers/gpu/drm/drm_framebuffer.c:867 drm_framebuffer_init+0x44/0x300
[  161.155993] Modules linked in:
[  161.156455] CPU: 0 UID: 0 PID: 2556 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) 
[  161.157379] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  161.158779] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  161.159164] RIP: 0010:drm_framebuffer_init+0x44/0x300
[  161.159594] 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
[  161.161406] RSP: 0000:ffff888105a77b30 EFLAGS: 00010246
[  161.161768] RAX: dffffc0000000000 RBX: ffff888105a77c28 RCX: 0000000000000000
[  161.162046] RDX: 1ffff11020b4ef8e RSI: ffff888105a77c28 RDI: ffff888105a77c70
[  161.162658] RBP: ffff888105a77b70 R08: ffff888105933000 R09: ffffffffa87d64c0
[  161.163427] R10: 0000000000000003 R11: 00000000e340e1ad R12: ffff888105933000
[  161.164415] R13: ffff88810039fae8 R14: ffff888105a77ba8 R15: 0000000000000000
[  161.164913] FS:  0000000000000000(0000) GS:ffff8881b0876000(0000) knlGS:0000000000000000
[  161.165379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  161.165998] CR2: 00007ffff7ffe000 CR3: 000000002bebc000 CR4: 00000000000006f0
[  161.166314] DR0: ffffffffaa84e480 DR1: ffffffffaa84e481 DR2: ffffffffaa84e482
[  161.167118] DR3: ffffffffaa84e483 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  161.167809] Call Trace:
[  161.168049]  <TASK>
[  161.168247]  ? add_dr+0xc1/0x1d0
[  161.169063]  drm_test_framebuffer_init_bad_format+0xfc/0x240
[  161.169797]  ? add_dr+0x148/0x1d0
[  161.170020]  ? __pfx_drm_test_framebuffer_init_bad_format+0x10/0x10
[  161.170703]  ? __drmm_add_action+0x1a4/0x280
[  161.170987]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  161.171286]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  161.172103]  ? __drmm_add_action_or_reset+0x22/0x50
[  161.172464]  ? __schedule+0x10cc/0x2b60
[  161.173014]  ? __pfx_read_tsc+0x10/0x10
[  161.173210]  ? ktime_get_ts64+0x86/0x230
[  161.173658]  kunit_try_run_case+0x1a5/0x480
[  161.174084]  ? __pfx_kunit_try_run_case+0x10/0x10
[  161.174399]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  161.174984]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  161.175303]  ? __kthread_parkme+0x82/0x180
[  161.175968]  ? preempt_count_sub+0x50/0x80
[  161.176286]  ? __pfx_kunit_try_run_case+0x10/0x10
[  161.176518]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  161.176774]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  161.177357]  kthread+0x337/0x6f0
[  161.177721]  ? trace_preempt_on+0x20/0xc0
[  161.178203]  ? __pfx_kthread+0x10/0x10
[  161.178827]  ? _raw_spin_unlock_irq+0x47/0x80
[  161.179226]  ? calculate_sigpending+0x7b/0xa0
[  161.180631]  ? __pfx_kthread+0x10/0x10
[  161.180936]  ret_from_fork+0x116/0x1d0
[  161.181121]  ? __pfx_kthread+0x10/0x10
[  161.181721]  ret_from_fork_asm+0x1a/0x30
[  161.182172]  </TASK>
[  161.182401] ---[ end trace 0000000000000000 ]---