Architecture has no drm_cache.c support
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WARNING: CPU: 0 PID: 4900 at drivers/gpu/drm/drm_cache.c:116 drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
Modules linked in:
CPU: 0 PID: 4900 Comm: syz.0.16 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 62400005 (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 : ffff80001ff37860
x29: ffff80001ff37860 x28: 1fffe0001976eae6 x27: 1fffe0001976eae0
x26: 1fffe0001958400d x25: 1fffe00019416484 x24: 1fffe0001b601247
x23: ffff0000db009230 x22: dfff800000000000 x21: 000000000017c000
x20: ffff0000dace8000 x19: ffff0000db009230 x18: 0000000000000001
x17: 0000000000000000 x16: ffff80001134c7a0 x15: 000000000004ffff
x14: 0000000000000001 x13: 1fffe000341d02d7 x12: 0000000000000000
x11: ff8080000830061c x10: 0000000000000000 x9 : c9eef5f9a3f55700
x8 : c9eef5f9a3f55700 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000170e8da0 x4 : 0000000000000000 x3 : ffff80000a79d3a8
x2 : ffff0001a0e75d50 x1 : 0000000100000000 x0 : 0000000000000027
Call trace:
 drm_clflush_pages+0x1c/0x2c drivers/gpu/drm/drm_cache.c:115
 vgem_prime_pin+0xd0/0x17c drivers/gpu/drm/vgem/vgem_drv.c:312
 drm_gem_pin+0x6c/0x8c drivers/gpu/drm/drm_gem.c:1150
 drm_gem_map_attach+0x40/0x50 drivers/gpu/drm/drm_prime.c:583
 dma_buf_dynamic_attach+0x1a8/0x72c drivers/dma-buf/dma-buf.c:764
 dma_buf_attach+0x30/0x40 drivers/dma-buf/dma-buf.c:830
 drm_gem_prime_import_dev+0xf4/0x328 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+0x1a4/0x44c drivers/gpu/drm/drm_prime.c:321
 drm_prime_fd_to_handle_ioctl+0x94/0xd4 drivers/gpu/drm/drm_prime.c:375
 drm_ioctl_kernel+0x2a4/0x418 drivers/gpu/drm/drm_ioctl.c:801
 drm_ioctl+0x5bc/0xa1c 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+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: 5392
hardirqs last  enabled at (5391): [<ffff80001141316c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (5391): [<ffff80001141316c>] __schedule+0xf20/0x1c6c kernel/sched/core.c:6401
hardirqs last disabled at (5392): [<ffff800011348168>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (3454): [<ffff8000081a2b70>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (3454): [<ffff8000081a2b70>] handle_softirqs+0xa70/0xc14 kernel/softirq.c:604
softirqs last disabled at (3275): [<ffff8000081a3178>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (3275): [<ffff8000081a3178>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (3275): [<ffff8000081a3178>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (3275): [<ffff8000081a3178>] __irq_exit_rcu+0x240/0x434 kernel/softirq.c:659
---[ end trace f771b34be8afd02b ]---