Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts. executing program [ 44.963067][ T4020] Architecture has no drm_cache.c support [ 44.965010][ T4020] ------------[ cut here ]------------ [ 44.966528][ T4020] WARNING: CPU: 1 PID: 4020 at drivers/gpu/drm/drm_cache.c:116 drm_clflush_pages+0x1c/0x2c [ 44.969299][ T4020] Modules linked in: [ 44.970378][ T4020] CPU: 1 PID: 4020 Comm: syz-executor391 Not tainted 5.15.167-syzkaller #0 [ 44.972704][ T4020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.975578][ T4020] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.977797][ T4020] pc : drm_clflush_pages+0x1c/0x2c [ 44.979062][ T4020] lr : drm_clflush_pages+0x1c/0x2c [ 44.980546][ T4020] sp : ffff80001d1577f0 [ 44.981589][ T4020] x29: ffff80001d1577f0 x28: 1fffe00019f87304 x27: ffff0000cfc39800 [ 44.983747][ T4020] x26: dfff800000000000 x25: 1fffe00019611147 x24: dfff800000000000 [ 44.985917][ T4020] x23: 000000000000c000 x22: ffff0000cb088a30 x21: ffff0000d212e700 [ 44.988175][ T4020] x20: ffff0000cb088800 x19: ffff0000cb088a30 x18: 0000000000000001 [ 44.989947][ T4020] x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff [ 44.991305][ T4020] x14: ffff0000cd348000 x13: 0000000000000001 x12: 0000000000000001 [ 44.992672][ T4020] x11: 0000000000000000 x10: 0000000000000000 x9 : e8521dedcb192c00 [ 44.993999][ T4020] x8 : e8521dedcb192c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.995314][ T4020] x5 : ffff80001d156f58 x4 : ffff800014b9fae0 x3 : ffff80000a987d1c [ 44.997073][ T4020] x2 : ffff0001b41aed10 x1 : 0000000100000000 x0 : 0000000000000027 [ 44.999281][ T4020] Call trace: [ 45.000141][ T4020] drm_clflush_pages+0x1c/0x2c [ 45.001459][ T4020] vgem_prime_pin+0xd4/0x184 [ 45.002709][ T4020] drm_gem_pin+0x6c/0x8c [ 45.003879][ T4020] drm_gem_map_attach+0x40/0x50 [ 45.005128][ T4020] dma_buf_dynamic_attach+0x1b8/0x748 [ 45.006624][ T4020] dma_buf_attach+0x30/0x40 [ 45.007839][ T4020] drm_gem_prime_import_dev+0xf4/0x338 [ 45.009292][ T4020] drm_gem_prime_fd_to_handle+0x1ac/0x464 [ 45.010829][ T4020] drm_prime_fd_to_handle_ioctl+0x94/0xd0 [ 45.012304][ T4020] drm_ioctl_kernel+0x2cc/0x458 [ 45.013678][ T4020] drm_ioctl+0x5d0/0xa64 [ 45.014890][ T4020] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.016183][ T4020] invoke_syscall+0x98/0x2b8 [ 45.017437][ T4020] el0_svc_common+0x138/0x258 [ 45.018563][ T4020] do_el0_svc+0x58/0x14c [ 45.019712][ T4020] el0_svc+0x7c/0x1f0 [ 45.020765][ T4020] el0t_64_sync_handler+0x84/0xe4 [ 45.022111][ T4020] el0t_64_sync+0x1a0/0x1a4 [ 45.023430][ T4020] irq event stamp: 13622 [ 45.024628][ T4020] hardirqs last enabled at (13621): [] __up_console_sem+0xb4/0x100 [ 45.027190][ T4020] hardirqs last disabled at (13622): [] el1_dbg+0x24/0x80 [ 45.029412][ T4020] softirqs last enabled at (13134): [] handle_softirqs+0xb88/0xdbc [ 45.031931][ T4020] softirqs last disabled at (13129): [] __irq_exit_rcu+0x268/0x4d8 [ 45.034593][ T4020] ---[ end trace 7c562fbf55029bfc ]---