[ 17.848714][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 17.852370][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices [ 17.898759][ T295] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 17.902783][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.105' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.140898][ T3961] Architecture has no drm_cache.c support [ 42.142655][ T3961] ------------[ cut here ]------------ [ 42.143996][ T3961] WARNING: CPU: 0 PID: 3961 at drivers/gpu/drm/drm_cache.c:116 drm_clflush_pages+0x1c/0x2c [ 42.146389][ T3961] Modules linked in: [ 42.147267][ T3961] CPU: 0 PID: 3961 Comm: syz-executor195 Not tainted 5.15.113-syzkaller #0 [ 42.149271][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 42.151745][ T3961] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 42.153464][ T3961] pc : drm_clflush_pages+0x1c/0x2c [ 42.154668][ T3961] lr : drm_clflush_pages+0x1c/0x2c [ 42.155858][ T3961] sp : ffff80001ad277f0 [ 42.156829][ T3961] x29: ffff80001ad277f0 x28: 1fffe0001901e584 x27: ffff0000c80f2c00 [ 42.158649][ T3961] x26: dfff800000000000 x25: 1fffe00019087147 x24: dfff800000000000 [ 42.160515][ T3961] x23: 000000000000c000 x22: ffff0000c8438a30 x21: ffff0000c9cc1100 [ 42.162540][ T3961] x20: ffff0000c8438800 x19: ffff0000c8438a30 x18: 0000000000000001 [ 42.164554][ T3961] x17: ff80800008335ea8 x16: ffff800011950fac x15: ffff800008335ea8 [ 42.166379][ T3961] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 42.168354][ T3961] x11: ff8080000832d950 x10: 0000000000000000 x9 : 7dd133cfdf886d00 [ 42.170357][ T3961] x8 : 7dd133cfdf886d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.172212][ T3961] x5 : ffff80001ad26f58 x4 : ffff8000149bfca0 x3 : ffff80000a953900 [ 42.174181][ T3961] x2 : ffff0001b47fbd10 x1 : 0000000100000000 x0 : 0000000000000027 [ 42.176108][ T3961] Call trace: [ 42.176916][ T3961] drm_clflush_pages+0x1c/0x2c [ 42.178073][ T3961] vgem_prime_pin+0xd4/0x184 [ 42.179089][ T3961] drm_gem_pin+0x6c/0x8c [ 42.180127][ T3961] drm_gem_map_attach+0x40/0x50 [ 42.181289][ T3961] dma_buf_dynamic_attach+0x1b8/0x748 [ 42.182532][ T3961] dma_buf_attach+0x30/0x40 [ 42.183666][ T3961] drm_gem_prime_import_dev+0xf4/0x338 [ 42.184948][ T3961] drm_gem_prime_fd_to_handle+0x1ac/0x464 [ 42.186324][ T3961] drm_prime_fd_to_handle_ioctl+0x94/0xd0 [ 42.187760][ T3961] drm_ioctl_kernel+0x2cc/0x458 [ 42.188960][ T3961] drm_ioctl+0x5d0/0xa64 [ 42.190017][ T3961] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.191231][ T3961] invoke_syscall+0x98/0x2b8 [ 42.192321][ T3961] el0_svc_common+0x138/0x258 [ 42.193358][ T3961] do_el0_svc+0x58/0x14c [ 42.194445][ T3961] el0_svc+0x7c/0x1f0 [ 42.195449][ T3961] el0t_64_sync_handler+0x84/0xe4 [ 42.196647][ T3961] el0t_64_sync+0x1a0/0x1a4 [ 42.197668][ T3961] irq event stamp: 14570 [ 42.198689][ T3961] hardirqs last enabled at (14569): [] __up_console_sem+0xb4/0x100 [ 42.200984][ T3961] hardirqs last disabled at (14570): [] el1_dbg+0x24/0x80 [ 42.203092][ T3961] softirqs last enabled at (13872): [] __do_softirq+0xb5c/0xe20 [ 42.205290][ T3961] softirqs last disabled at (13839): [] __irq_exit_rcu+0x28c/0x534 [ 42.207487][ T3961] ---[ end trace 1ce8909423665c81 ]---