WARNING: CPU: 0 PID: 17861 at drivers/gpu/drm/drm_vblank.c:1307 drm_wait_one_vblank+0x97c/0xa00 drivers/gpu/drm/drm_vblank.c:1307
Modules linked in:
CPU: 0 UID: 0 PID: 17861 Comm: syz.2.1609 Not tainted 6.12.0-syzkaller-00971-g158f238aa69d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:drm_wait_one_vblank+0x97c/0xa00 drivers/gpu/drm/drm_vblank.c:1307
Code: 80 3c 08 00 74 08 4c 89 ff e8 00 d1 91 fc 49 8b 1f 48 c7 c7 a0 b6 73 8c 4c 89 f6 48 89 da 8b 5c 24 0c 89 d9 e8 c5 d6 e8 fb 90 <0f> 0b 90 90 49 be 00 00 00 00 00 fc ff df e9 68 fb ff ff 44 89 e9
RSP: 0018:ffffc9000f3d7ac0 EFLAGS: 00010246
RAX: 07d29ac6db230b00 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90015c59000 RSI: 000000000003fa7d RDI: 000000000003fa7e
RBP: ffffc9000f3d7c00 R08: ffffffff8155e312 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: 1ffff92001e7af64
R13: 0000000000006435 R14: ffffffff8c86f5a0 R15: ffff888025283010
FS:  00007f58df97f6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200012c0 CR3: 0000000069faa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000cdb2
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x114/0x140 drivers/gpu/drm/drm_fb_helper.c:1093
 do_fb_ioctl+0x40a/0x7b0 drivers/video/fbdev/core/fb_chrdev.c:155
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58deb7e759
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:00007f58df97f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f58ded36208 RCX: 00007f58deb7e759
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003
RBP: 00007f58debf175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f58ded36208 R15: 00007f58dee5fa28
 </TASK>