------------[ cut here ]------------
WARNING: CPU: 0 PID: 6959 at drivers/gpu/drm/drm_prime.c:326 drm_gem_prime_fd_to_handle+0x370/0x440 drivers/gpu/drm/drm_prime.c:326
Modules linked in:
CPU: 0 PID: 6959 Comm: syz-executor.1 Tainted: G    B              6.8.0-rc5-syzkaller-00072-g59a96b711109 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drm_gem_prime_fd_to_handle+0x370/0x440 drivers/gpu/drm/drm_prime.c:326
lr : drm_gem_prime_fd_to_handle+0x370/0x440 drivers/gpu/drm/drm_prime.c:326
sp : ffff800097f679c0
x29: ffff800097f679c0 x28: 1fffe00019d20410 x27: 1ffff00012fecf50
x26: dfff800000000000 x25: 1fffe00018e9ba25 x24: ffff0000c74dd128
x23: ffff0000c74dd000 x22: ffff0000ce902000 x21: ffff0000ce902380
x20: ffff800097f67bf0 x19: ffff0000e6ff4c00 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800080276e70 x15: 0000000000000001
x14: 1fffe00018e9ba00 x13: 0000000000000000 x12: 0000000000000000
x11: ffff600018e9ba01 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c767da00 x7 : 0000000000000000 x6 : ffff800083eee538
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800083ef05cc
x2 : 0000000000000001 x1 : 0000000000000007 x0 : ffff0000c74dd000
Call trace:
 drm_gem_prime_fd_to_handle+0x370/0x440 drivers/gpu/drm/drm_prime.c:326
 drm_prime_fd_to_handle_ioctl+0xb4/0xf0 drivers/gpu/drm/drm_prime.c:375
 drm_ioctl_kernel+0x26c/0x368 drivers/gpu/drm/drm_ioctl.c:744
 drm_ioctl+0x5e4/0xae4 drivers/gpu/drm/drm_ioctl.c:841
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 0
hardirqs last  enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [<ffff8000801b57f4>] copy_process+0x1318/0x3478 kernel/fork.c:2441
softirqs last  enabled at (0): [<ffff8000801b581c>] copy_process+0x1340/0x3478 kernel/fork.c:2442
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---