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WARNING: CPU: 1 PID: 3153 at drivers/gpu/drm/drm_prime.c:326 drm_gem_prime_fd_to_handle+0x220/0x224 drivers/gpu/drm/drm_prime.c:326
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 3153 Comm: syz-executor255 Not tainted 6.12.0-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<819b7fb8>] (dump_backtrace) from [<819b80b4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:82623304 r5:00000000 r4:820413b8
[<819b809c>] (show_stack) from [<819d60dc>] (__dump_stack lib/dump_stack.c:94 [inline])
[<819b809c>] (show_stack) from [<819d60dc>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<819d6088>] (dump_stack_lvl) from [<819d611c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82874d18
[<819d6104>] (dump_stack) from [<819b8be0>] (panic+0x120/0x374 kernel/panic.c:354)
[<819b8ac0>] (panic) from [<802426d0>] (check_panic_on_warn kernel/panic.c:243 [inline])
[<819b8ac0>] (panic) from [<802426d0>] (get_taint+0x0/0x1c kernel/panic.c:238)
 r3:8260c604 r2:00000001 r1:82029878 r0:82031344
 r7:80a52b0c
[<8024265c>] (check_panic_on_warn) from [<80242834>] (__warn+0x80/0x188 kernel/panic.c:748)
[<802427b4>] (__warn) from [<80242ab4>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:775)
 r8:00000009 r7:820b2b4c r6:df9ddd74 r5:83c30000 r4:00000000
[<80242940>] (warn_slowpath_fmt) from [<80a52b0c>] (drm_gem_prime_fd_to_handle+0x220/0x224 drivers/gpu/drm/drm_prime.c:326)
 r10:83df5300 r9:82ca4340 r8:83df53c0 r7:df9dde64 r6:82fbde00 r5:83df5300
 r4:848aac00
[<80a528ec>] (drm_gem_prime_fd_to_handle) from [<80a52c24>] (drm_prime_fd_to_handle_ioctl+0x34/0x38 drivers/gpu/drm/drm_prime.c:375)
 r9:83c30000 r8:82ca4000 r7:df9dde64 r6:80a52bf0 r5:83df5300 r4:00000000
[<80a52bf0>] (drm_prime_fd_to_handle_ioctl) from [<80a4441c>] (drm_ioctl_kernel+0xb8/0x120 drivers/gpu/drm/drm_ioctl.c:796)
 r5:83df5300 r4:00000020
[<80a44364>] (drm_ioctl_kernel) from [<80a446f8>] (drm_ioctl+0x274/0x598 drivers/gpu/drm/drm_ioctl.c:893)
 r8:0000000c r7:81b365fc r6:82ca4000 r5:0000000c r4:df9dde64
[<80a44484>] (drm_ioctl) from [<80536ea8>] (vfs_ioctl fs/ioctl.c:51 [inline])
[<80a44484>] (drm_ioctl) from [<80536ea8>] (do_vfs_ioctl fs/ioctl.c:860 [inline])
[<80a44484>] (drm_ioctl) from [<80536ea8>] (__do_sys_ioctl fs/ioctl.c:904 [inline])
[<80a44484>] (drm_ioctl) from [<80536ea8>] (sys_ioctl+0x138/0xd88 fs/ioctl.c:892)
 r10:83c30000 r9:00000003 r8:83f8d600 r7:20000000 r6:83f8d600 r5:00000000
 r4:c00c642e
[<80536d70>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdf9ddfa8 to 0xdf9ddff0)
dfa0:                   ffffffff 00000000 00000003 c00c642e 20000000 00000000
dfc0: ffffffff 00000000 7ef7d140 00000036 00000000 00000000 00002710 00000000
dfe0: 7ef70c58 7ef70c48 0001087c 0002f0d0
 r10:00000036 r9:83c30000 r8:8020029c r7:00000036 r6:7ef7d140 r5:00000000
 r4:ffffffff
Rebooting in 86400 seconds..