Hay
Date
April 20, 2025, 11:09 p.m.

Environment
x86

------------[ cut here ]------------
[  133.927823] drm-kunit-mock-device drm_test_framebuffer_free.drm-kunit-mock-device: [drm] drm_WARN_ON(!list_empty(&fb->filp_head))
[  133.927856] WARNING: CPU: 3 PID: 2545 at drivers/gpu/drm/drm_framebuffer.c:832 drm_framebuffer_free+0x13f/0x1c0
[  133.949628] Modules linked in:
[  133.952713] CPU: 3 UID: 0 PID: 2545 Comm: kunit_try_catch Tainted: G    B D W        N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[  133.963714] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[  133.969559] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[  133.976951] RIP: 0010:drm_framebuffer_free+0x13f/0x1c0
[  133.982116] Code: 8b 7d 50 4d 85 ff 74 2b 4c 89 ef e8 1b 87 84 00 48 c7 c1 20 4f 3c b9 4c 89 fa 48 c7 c7 80 4f 3c b9 48 89 c6 e8 62 0f 82 fe 90 <0f> 0b 90 90 e9 1c ff ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 ea
[  134.000871] RSP: 0000:ffff888119fa7b68 EFLAGS: 00010282
[  134.006122] RAX: 0000000000000000 RBX: ffff888119fa7c40 RCX: 1ffffffff7424ab4
[  134.013265] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[  134.020422] RBP: ffff888119fa7b90 R08: 0000000000000000 R09: fffffbfff7424ab4
[  134.027580] R10: 0000000000000003 R11: 000000000003b658 R12: ffff888119fa7c18
[  134.034760] R13: ffff888118876000 R14: ffff888101d3f000 R15: ffff88811879bd80
[  134.041915] FS:  0000000000000000(0000) GS:ffff8884643bb000(0000) knlGS:0000000000000000
[  134.050008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  134.055780] CR2: ffffffffffffffff CR3: 000000023f4ba001 CR4: 00000000003726f0
[  134.062911] DR0: ffffffffbb48888c DR1: ffffffffbb48888d DR2: ffffffffbb48888e
[  134.070073] DR3: ffffffffbb48888f DR6: 00000000fffe0ff0 DR7: 0000000000000600
[  134.077212] Call Trace:
[  134.079712]  <TASK>
[  134.081850]  drm_test_framebuffer_free+0x1ab/0x610
[  134.086660]  ? __pfx_drm_test_framebuffer_free+0x10/0x10
[  134.092030]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  134.097604]  ? __pfx_drm_mode_config_init_release+0x10/0x10
[  134.103201]  ? __drmm_add_action_or_reset+0x22/0x50
[  134.108108]  ? __schedule+0x10cc/0x2b30
[  134.111965]  ? ktime_get_ts64+0x83/0x230
[  134.115907]  kunit_try_run_case+0x1a2/0x480
[  134.120118]  ? __pfx_kunit_try_run_case+0x10/0x10
[  134.124832]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  134.129478]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  134.134454]  ? __kthread_parkme+0x82/0x180
[  134.138577]  ? preempt_count_sub+0x50/0x80
[  134.142712]  ? __pfx_kunit_try_run_case+0x10/0x10
[  134.147434]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[  134.152842]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  134.158962]  kthread+0x334/0x6f0
[  134.162210]  ? trace_preempt_on+0x20/0xc0
[  134.166249]  ? __pfx_kthread+0x10/0x10
[  134.170025]  ? _raw_spin_unlock_irq+0x47/0x80
[  134.174397]  ? calculate_sigpending+0x7b/0xa0
[  134.178766]  ? __pfx_kthread+0x10/0x10
[  134.182543]  ret_from_fork+0x3e/0x80
[  134.186137]  ? __pfx_kthread+0x10/0x10
[  134.189892]  ret_from_fork_asm+0x1a/0x30
[  134.193843]  </TASK>
[  134.196043] ---[ end trace 0000000000000000 ]---