WARNING in drm_wait_one

WARNING in drm_wait_one_vblank
Status: upstream: reported on 2021/05/05 14:02
Reported-by: syzbot+6f7fe2dbc479dca0ed17@syzkaller.appspotmail.com
First crash: 180d, last: 3d22h

Sample crash report:

------------[ cut here ]------------
platform vkms: vblank wait timed out on crtc 0
WARNING: CPU: 1 PID: 17259 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x2be/0x500 drivers/gpu/drm/drm_vblank.c:1269
Modules linked in:
CPU: 1 PID: 17259 Comm: syz-executor.5 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:drm_wait_one_vblank+0x2be/0x500 drivers/gpu/drm/drm_vblank.c:1269
Code: 85 f6 0f 84 a3 01 00 00 e8 1f 2e 23 fd 4c 89 ef e8 17 33 13 00 44 89 e1 4c 89 f2 48 c7 c7 60 51 f9 89 48 89 c6 e8 8d f2 9f 04 <0f> 0b e9 87 fe ff ff e8 f6 2d 23 fd 31 ff 4c 89 ee e8 4c 33 23 fd
RSP: 0018:ffffc900158bfb40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000021c46 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815e9da8 RDI: fffff52002b17f5a
RBP: ffff888144364000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815e3b4e R11: 0000000000000000 R12: 0000000000000000
R13: ffff888145daf010 R14: ffff88801ab42fc8 R15: ffff888145ec9030
FS:  00007f369f32a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0276d2028 CR3: 000000007b228000 CR4: 0000000000350ee0
Call Trace:
 drm_fb_helper_ioctl+0x159/0x1a0 drivers/gpu/drm/drm_fb_helper.c:1197
 do_fb_ioctl+0x1d5/0x690 drivers/video/fbdev/core/fbmem.c:1175
 fb_ioctl+0xe7/0x150 drivers/video/fbdev/core/fbmem.c:1189
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f36a1db4a39
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f369f32a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36a1eb7f60 RCX: 00007f36a1db4a39
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003
RBP: 00007f36a1e0ee8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe406900ff R14: 00007f369f32a300 R15: 0000000000022000

Crashes (19):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci-upstream-kasan-gce-root	2021/10/24 16:42	upstream	9c0c4d24ac00	282f03fb	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce	2021/10/17 19:32	upstream	d999ade1cc86	0c5d9412	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/10/04 06:48	upstream	6761a0ae9895	db0f5787	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-smack-root	2021/09/26 03:32	upstream	a5e0aceabef6	8cac236e	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-selinux-root	2021/09/13 18:08	upstream	6880fa6c5660	3ce60af8	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/09/08 06:54	upstream	a2b28235335f	064c9eb7	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/09/08 03:13	upstream	a2b28235335f	064c9eb7	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/08/21 19:21	upstream	fa54d366a6e4	b599f2fc	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/08/15 17:13	upstream	0aa78d17099b	2489ab88	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-smack-root	2021/07/30 09:09	upstream	7e96bf476270	c585c7b0	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/07/29 15:52	upstream	4010a528219e	b44001ce	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce	2021/07/09 05:24	upstream	3dbdb38e2869	1b20171a	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-smack-root	2021/07/06 00:48	upstream	3dbdb38e2869	55aa55c2	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/06/23 11:14	upstream	0c18f29aae7c	aba2b2fb	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce-root	2021/06/06 15:26	upstream	f5b6eb1e0182	500c2339	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce	2021/05/30 07:37	upstream	6799d4f2da49	325a8dab	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce	2021/05/26 13:20	upstream	ad9f25d33860	54f0bcf1	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-kasan-gce	2021/05/01 14:00	upstream	d2b6f8a17919	77e2b668	.config	log	report	info	WARNING in drm_wait_one_vblank
ci-upstream-linux-next-kasan-gce-root	2021/10/22 07:55	linux-next	3196a52aff93	55f90bc6	.config	log	report	info	WARNING in drm_wait_one_vblank