------------[ cut here ]------------ WARNING: CPU: 0 PID: 29290 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: 29290 Comm: syz-executor.2 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #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 : ffff80009a4779c0 x29: ffff80009a4779c0 x28: 0000000000000008 x27: 0000000000000010 x26: dfff800000000000 x25: 1fffe00018c40725 x24: ffff0000c6203928 x23: ffff0000c6203800 x22: ffff00012fbc4000 x21: ffff00012fbc4380 x20: ffff80009a477bf0 x19: ffff0000c21a0000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800080276f8c x15: 0000000000000001 x14: 1fffe00018c40700 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600018c40701 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000dc2c0000 x7 : ffff800083eed2b0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800083eef344 x2 : 0000000000000001 x1 : 0000000000000007 x0 : ffff0000c6203800 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:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 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: 134 hardirqs last enabled at (133): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (134): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (110): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (108): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---