WARNING: CPU: 0 PID: 5337 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: 1 PID: 5337 Comm: syz.3.225 Not tainted 5.15.173-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 41 1b 2e fd 49 8b 1f 48 c7 c7 60 1a ec 8a 4c 89 f6 48 89 da 8b 5c 24 0c 89 d9 e8 b6 de 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:ffffc90003cf7ac0 EFLAGS: 00010246
RAX: 0130e8ae33cce100 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90010588000 RSI: 000000000001d285 RDI: 000000000001d286
RBP: ffffc90003cf7c00 R08: ffffffff81669a1c R09: fffffbfff20ec82c
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200079ef64
R13: 000000000000268c R14: ffffffff8afadd40 R15: ffff8881472ba010
FS:  00007fb58596d6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff47ae3ff98 CR3: 0000000023f84000 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: 0033:0x7fb587b37819
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb58596d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb587cef160 RCX: 00007fb587b37819
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000006
RBP: 00007fb587baa75e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb587cef160 R15: 00007fff9be711e8
 </TASK>