WARNING: CPU: 0 PID: 4165 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x95a/0x9e0 drivers/gpu/drm/drm_vblank.c:1269
Modules linked in:
CPU: 0 PID: 4165 Comm: syz-executor.5 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:drm_wait_one_vblank+0x95a/0x9e0 drivers/gpu/drm/drm_vblank.c:1269
Code: df 80 3c 08 00 74 08 4c 89 ff e8 91 02 2e fd 49 8b 1f 48 c7 c7 60 11 ec 8a 4c 89 f6 48 89 da 8b 5c 24 0c 89 d9 e8 36 e2 af fc <0f> 0b 49 be 00 00 00 00 00 fc ff df e9 80 fb ff ff 44 89 e9 80 e1
RSP: 0018:ffffc90002f47ac0 EFLAGS: 00010246
RAX: 3927bc043c2ecd00 RBX: 0000000000000000 RCX: ffff888078985940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002f47c00 R08: ffffffff81668a3c R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005e8f64
R13: 0000000000000f83 R14: ffffffff8afad580 R15: ffff888020854010
FS:  00007f65adff56c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41796755e8 CR3: 000000007babe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x110/0x140 drivers/gpu/drm/drm_fb_helper.c:1196
 do_fb_ioctl+0x1d2/0x890 drivers/video/fbdev/core/fbmem.c:1191
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f65aec73959
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:00007f65adff50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f65aed92f80 RCX: 00007f65aec73959
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003
RBP: 00007f65aeccfc88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f65aed92f80 R15: 00007ffc954b3a48
 </TASK>