------------[ cut here ]------------
[  140.935742] WARNING: CPU: 1 PID: 2550 at drivers/gpu/drm/drm_framebuffer.c:869 drm_framebuffer_init+0x49/0x8d0
[  140.936131] Modules linked in:
[  140.936323] CPU: 1 UID: 0 PID: 2550 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[  140.936950] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  140.937205] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  140.937559] RIP: 0010:drm_framebuffer_init+0x49/0x8d0
[  140.938042] Code: 89 e5 41 57 41 56 41 55 41 54 53 48 89 f3 48 83 ec 28 80 3c 11 00 48 89 7d c8 0f 85 1c 07 00 00 48 8b 75 c8 48 39 33 74 20 90 <0f> 0b 90 41 bf ea ff ff ff 48 83 c4 28 44 89 f8 5b 41 5c 41 5d 41
[  140.939197] RSP: 0000:ffff88810a547b20 EFLAGS: 00010246
[  140.939473] RAX: ffff88810a547ba8 RBX: ffff88810a547c28 RCX: 1ffff110214a8f8e
[  140.939812] RDX: dffffc0000000000 RSI: ffff88810a642000 RDI: ffff88810a642000
[  140.940042] RBP: ffff88810a547b70 R08: ffff88810a642000 R09: ffffffff94fd8f60
[  140.940425] R10: 0000000000000003 R11: 00000000caa5eaa4 R12: 1ffff110214a8f71
[  140.940743] R13: ffff88810a547c70 R14: ffff88810a547db8 R15: 0000000000000000
[  140.941072] FS:  0000000000000000(0000) GS:ffff8881c4172000(0000) knlGS:0000000000000000
[  140.941347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  140.941716] CR2: 00007ffff7ffe000 CR3: 0000000050abc000 CR4: 00000000000006f0
[  140.942055] DR0: ffffffff97052440 DR1: ffffffff97052441 DR2: ffffffff97052443
[  140.942560] DR3: ffffffff97052445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  140.942884] Call Trace:
[  140.943010]  <TASK>
[  140.943132]  ? trace_preempt_on+0x20/0xc0
[  140.943365]  ? add_dr+0xc1/0x1d0
[  140.943574]  drm_test_framebuffer_init_bad_format+0xfc/0x240
[  140.944092]  ? add_dr+0x148/0x1d0
[  140.944301]  ? __pfx_drm_test_framebuffer_init_bad_format+0x10/0x10
[  140.944754]  ? __drmm_add_action+0x1a4/0x280
[  140.944986]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  140.945283]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  140.945615]  ? __drmm_add_action_or_reset+0x22/0x50
[  140.945867]  ? __schedule+0x10cc/0x2b60
[  140.946026]  ? __pfx_read_tsc+0x10/0x10
[  140.946254]  ? ktime_get_ts64+0x86/0x230
[  140.946566]  kunit_try_run_case+0x1a5/0x480
[  140.946794]  ? __pfx_kunit_try_run_case+0x10/0x10
[  140.947031]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  140.947271]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  140.947507]  ? __kthread_parkme+0x82/0x180
[  140.947721]  ? preempt_count_sub+0x50/0x80
[  140.947876]  ? __pfx_kunit_try_run_case+0x10/0x10
[  140.948280]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  140.948883]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  140.949126]  kthread+0x337/0x6f0
[  140.949253]  ? trace_preempt_on+0x20/0xc0
[  140.949708]  ? __pfx_kthread+0x10/0x10
[  140.949945]  ? _raw_spin_unlock_irq+0x47/0x80
[  140.950184]  ? calculate_sigpending+0x7b/0xa0
[  140.950526]  ? __pfx_kthread+0x10/0x10
[  140.950732]  ret_from_fork+0x116/0x1d0
[  140.950958]  ? __pfx_kthread+0x10/0x10
[  140.951159]  ret_from_fork_asm+0x1a/0x30
[  140.951417]  </TASK>
[  140.951542] ---[ end trace 0000000000000000 ]---