[ 18.194775][ T3636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.208455][ T3636] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.253989][ T1609] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.259459][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.187245][ T3961] Architecture has no drm_cache.c support [ 43.188810][ T3961] ------------[ cut here ]------------ [ 43.189986][ T3961] WARNING: CPU: 1 PID: 3961 at drivers/gpu/drm/drm_cache.c:116 drm_clflush_pages+0x1c/0x2c [ 43.192235][ T3961] Modules linked in: [ 43.193146][ T3961] CPU: 1 PID: 3961 Comm: syz-executor576 Not tainted 5.15.113-syzkaller #0 [ 43.194963][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 43.197188][ T3961] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.198767][ T3961] pc : drm_clflush_pages+0x1c/0x2c [ 43.199919][ T3961] lr : drm_clflush_pages+0x1c/0x2c [ 43.201026][ T3961] sp : ffff800018e977f0 [ 43.201932][ T3961] x29: ffff800018e977f0 x28: 1fffe00019cae404 x27: ffff0000ce572000 [ 43.203736][ T3961] x26: dfff800000000000 x25: 1fffe00019175047 x24: dfff800000000000 [ 43.205620][ T3961] x23: 000000000000c000 x22: ffff0000c8ba8230 x21: ffff0000d5327b00 [ 43.207487][ T3961] x20: ffff0000c8ba8000 x19: ffff0000c8ba8230 x18: 0000000000000001 [ 43.209288][ T3961] x17: ff80800008335ea8 x16: ffff800011950fac x15: ffff800008335ea8 [ 43.210991][ T3961] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 43.212820][ T3961] x11: ff8080000832d950 x10: 0000000000000000 x9 : 0dd204ac1d2cb900 [ 43.214661][ T3961] x8 : 0dd204ac1d2cb900 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.216472][ T3961] x5 : ffff800018e96f58 x4 : ffff8000149bfca0 x3 : ffff80000a953900 [ 43.218242][ T3961] x2 : ffff0001b481bd10 x1 : 0000000100000000 x0 : 0000000000000027 [ 43.219955][ T3961] Call trace: [ 43.220660][ T3961] drm_clflush_pages+0x1c/0x2c [ 43.221779][ T3961] vgem_prime_pin+0xd4/0x184 [ 43.222792][ T3961] drm_gem_pin+0x6c/0x8c [ 43.223746][ T3961] drm_gem_map_attach+0x40/0x50 [ 43.224760][ T3961] dma_buf_dynamic_attach+0x1b8/0x748 [ 43.225947][ T3961] dma_buf_attach+0x30/0x40 [ 43.227008][ T3961] drm_gem_prime_import_dev+0xf4/0x338 [ 43.228304][ T3961] drm_gem_prime_fd_to_handle+0x1ac/0x464 [ 43.229566][ T3961] drm_prime_fd_to_handle_ioctl+0x94/0xd0 [ 43.230797][ T3961] drm_ioctl_kernel+0x2cc/0x458 [ 43.231825][ T3961] drm_ioctl+0x5d0/0xa64 [ 43.232798][ T3961] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.233891][ T3961] invoke_syscall+0x98/0x2b8 [ 43.234900][ T3961] el0_svc_common+0x138/0x258 [ 43.235922][ T3961] do_el0_svc+0x58/0x14c [ 43.236872][ T3961] el0_svc+0x7c/0x1f0 [ 43.237769][ T3961] el0t_64_sync_handler+0x84/0xe4 [ 43.238910][ T3961] el0t_64_sync+0x1a0/0x1a4 [ 43.240023][ T3961] irq event stamp: 13994 [ 43.241016][ T3961] hardirqs last enabled at (13993): [] __up_console_sem+0xb4/0x100 [ 43.243261][ T3961] hardirqs last disabled at (13994): [] el1_dbg+0x24/0x80 [ 43.245253][ T3961] softirqs last enabled at (12930): [] __do_softirq+0xb5c/0xe20 [ 43.247406][ T3961] softirqs last disabled at (12921): [] __irq_exit_rcu+0x28c/0x534 [ 43.249477][ T3961] ---[ end trace 7e2d873a16d4d0e6 ]---