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WARNING: CPU: 1 PID: 6647 at drivers/gpu/drm/drm_prime.c:326 drm_gem_prime_fd_to_handle+0x503/0x590 drivers/gpu/drm/drm_prime.c:326
Modules linked in:
CPU: 1 UID: 0 PID: 6647 Comm: syz.1.302 Not tainted 6.12.0-rc2-syzkaller-g36c254515dc6 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:drm_gem_prime_fd_to_handle+0x503/0x590 drivers/gpu/drm/drm_prime.c:326
Code: e8 22 40 25 fc 90 0f 0b 90 90 e9 28 fd ff ff e8 a3 52 64 fc 4c 89 ff 41 89 dc e8 38 f3 f9 05 e9 5e fe ff ff e8 8e 52 64 fc 90 <0f> 0b 90 e9 05 fd ff ff e8 d0 c5 c5 fc e9 d1 fb ff ff e8 c6 c5 c5
RSP: 0018:ffffc90005e37c30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888022696800 RCX: ffffffff85292cce
RDX: ffff88804b4e8000 RSI: ffffffff85293012 RDI: ffff888022696928
RBP: ffff888045df0400 R08: 0000000000000007 R09: fffffffffffff000
R10: ffff888022696800 R11: 0000000000000000 R12: ffff88804dd0c000
R13: ffff888029bfc000 R14: ffffc90005e37df8 R15: ffff888024bc8c58
FS:  00007f4e65abf6c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f266bd61ae0 CR3: 0000000029772000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_prime_fd_to_handle_ioctl+0xd6/0x110 drivers/gpu/drm/drm_prime.c:375
 drm_ioctl_kernel+0x1e6/0x3d0 drivers/gpu/drm/drm_ioctl.c:745
 drm_ioctl+0x5d6/0xc00 drivers/gpu/drm/drm_ioctl.c:842
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e64d7dff9
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:00007f4e65abf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4e64f35f80 RCX: 00007f4e64d7dff9
RDX: 0000000020000180 RSI: 00000000c00c642e RDI: 0000000000000004
RBP: 00007f4e64df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e64f35f80 R15: 00007ffe3f918838
 </TASK>