WARNING: CPU: 1 PID: 16338 at drivers/gpu/drm/drm_vblank.c:1310 drm_wait_one_vblank+0x32d/0x540 drivers/gpu/drm/drm_vblank.c:1310
Modules linked in:
CPU: 1 PID: 16338 Comm: syz-executor.2 Not tainted 6.6.0-rc5-syzkaller-00227-gad7f1baed071 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:drm_wait_one_vblank+0x32d/0x540 drivers/gpu/drm/drm_vblank.c:1310
Code: 4d 85 ed 0f 84 49 01 00 00 e8 0f 36 cf fc 4c 89 e7 e8 a7 20 7a 00 89 e9 4c 89 ea 48 c7 c7 60 f5 fd 8a 48 89 c6 e8 33 5e 95 fc <0f> 0b e9 16 fe ff ff e8 e7 35 cf fc 48 8d 7b 08 48 b8 00 00 00 00
RSP: 0018:ffffc90004bafb38 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88801c8bc000 RCX: ffffc900132ed000
RDX: 0000000000040000 RSI: ffffffff814df0c6 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 205d363233363154 R12: ffff8881401f5010
R13: ffff88801c651f78 R14: 1ffff92000975f69 R15: 000000000002942e
FS:  00007fda662c66c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f23b669a000 CR3: 0000000034176000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x152/0x190 drivers/gpu/drm/drm_fb_helper.c:1092
 do_fb_ioctl+0x3d0/0x7d0 drivers/video/fbdev/core/fb_chrdev.c:155
 fb_ioctl+0xf1/0x160 drivers/video/fbdev/core/fb_chrdev.c:169
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fda6547cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda662c60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fda6559bf80 RCX: 00007fda6547cae9
RDX: 0000000002000000 RSI: 0000000040044620 RDI: 0000000000000003
RBP: 00007fda654c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fda6559bf80 R15: 00007ffdfd2b9208
 </TASK>