Architecture has no drm_cache.c support
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WARNING: CPU: 1 PID: 4311 at drivers/gpu/drm/drm_cache.c:116 drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
Modules linked in:
CPU: 1 PID: 4311 Comm: syz.1.62 Not tainted 5.15.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
lr : drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
sp : ffff80001f577840
x29: ffff80001f577840 x28: dfff800000000000 x27: ffff0000e979d000
x26: 1fffe0001d2f3a04 x25: 1fffe00019b9e7a0 x24: 1fffe000192e8747
x23: dfff800000000000 x22: 000000000000c000 x21: ffff0000c9743a30
x20: ffff0000cb2f1200 x19: ffff0000c9743a30 x18: 0000000000000002
x17: ffff800016cdf000 x16: ffff8000111a5644 x15: ffff8000167bf4c0
x14: ffff0000cd94dbc0 x13: 1ffff0000282a06b x12: 0000000000080000
x11: 000000000000da00 x10: ffff8000213d9000 x9 : 6bfec6a6cecf7700
x8 : 6bfec6a6cecf7700 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a732644
x2 : ffff0001a111cd10 x1 : 0000000100000000 x0 : 0000000000000027
Call trace:
 drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
 vgem_prime_pin+0xcc/0x178 drivers/gpu/drm/vgem/vgem_drv.c:312
 drm_gem_pin+0x6c/0x8c drivers/gpu/drm/drm_gem.c:1142
 drm_gem_map_attach+0x40/0x50 drivers/gpu/drm/drm_prime.c:583
 dma_buf_dynamic_attach+0x1a8/0x734 drivers/dma-buf/dma-buf.c:764
 dma_buf_attach+0x30/0x40 drivers/dma-buf/dma-buf.c:830
 drm_gem_prime_import_dev+0xf4/0x338 drivers/gpu/drm/drm_prime.c:934
 drm_gem_prime_import drivers/gpu/drm/drm_prime.c:983 [inline]
 drm_gem_prime_fd_to_handle+0x1a0/0x458 drivers/gpu/drm/drm_prime.c:321
 drm_prime_fd_to_handle_ioctl+0x94/0xd0 drivers/gpu/drm/drm_prime.c:375
 drm_ioctl_kernel+0x28c/0x3f8 drivers/gpu/drm/drm_ioctl.c:801
 drm_ioctl+0x594/0x9f0 drivers/gpu/drm/drm_ioctl.c:904
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 662
hardirqs last  enabled at (661): [<ffff800008244120>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (661): [<ffff800008244120>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4784
hardirqs last disabled at (662): [<ffff8000111a0f18>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (588): [<ffff80000819d0d8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (588): [<ffff80000819d0d8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586
softirqs last disabled at (563): [<ffff80000819d6dc>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (563): [<ffff80000819d6dc>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (563): [<ffff80000819d6dc>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (563): [<ffff80000819d6dc>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641
---[ end trace ebdb6c929a10efbf ]---