Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.845484][ T3070] ------------[ cut here ]------------ [ 32.846911][ T3070] Too BIG xdp->frame_sz = 131072 [ 32.848542][ T3070] WARNING: CPU: 1 PID: 3070 at net/core/filter.c:4056 bpf_xdp_adjust_tail+0x158/0x164 [ 32.851192][ T3070] Modules linked in: [ 32.852280][ T3070] CPU: 1 PID: 3070 Comm: syz-executor498 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0 [ 32.855053][ T3070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 32.857721][ T3070] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 32.859809][ T3070] pc : bpf_xdp_adjust_tail+0x158/0x164 [ 32.861468][ T3070] lr : bpf_xdp_adjust_tail+0x158/0x164 [ 32.862892][ T3070] sp : ffff800012dcb9e0 [ 32.863990][ T3070] x29: ffff800012dcb9e0 x28: 0000000000020000 x27: ffff800012dcba20 [ 32.866122][ T3070] x26: 0000000000000000 x25: ffff800012dcba20 x24: ffff0000cbe2feef [ 32.868411][ T3070] x23: 0000000000000000 x22: 0000000000020000 x21: ffff0000cbe2feef [ 32.870734][ T3070] x20: 0000000000000000 x19: ffff80000d95f000 x18: 0000000000000020 [ 32.872888][ T3070] x17: ffff80000c0f0b68 x16: 0000000000000201 x15: 0000000000000000 [ 32.875024][ T3070] x14: 0000000000000000 x13: 205d303730335420 x12: 5b5d313139363438 [ 32.877165][ T3070] x11: ff808000081c650c x10: 0000000000000000 x9 : 3d5158d4d3ffee00 [ 32.879325][ T3070] x8 : 3d5158d4d3ffee00 x7 : 205b5d3131393634 x6 : ffff80000c0903b4 [ 32.881477][ T3070] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 32.883632][ T3070] x2 : 0000000000000000 x1 : 0000000100000200 x0 : 000000000000001e [ 32.885789][ T3070] Call trace: [ 32.886650][ T3070] bpf_xdp_adjust_tail+0x158/0x164 [ 32.887996][ T3070] bpf_prog_4add87e5301a4105+0x50/0x80 [ 32.889483][ T3070] bpf_dispatcher_xdp_func+0x30/0x44 [ 32.890935][ T3070] bpf_prog_run_generic_xdp+0x16c/0x5d8 [ 32.892431][ T3070] do_xdp_generic+0x270/0x350 [ 32.893667][ T3070] tun_get_user+0xc64/0x111c [ 32.894879][ T3070] tun_chr_write_iter+0xa4/0x144 [ 32.896195][ T3070] vfs_write+0x2dc/0x46c [ 32.897306][ T3070] ksys_write+0xb4/0x160 [ 32.898458][ T3070] __arm64_sys_write+0x24/0x34 [ 32.899709][ T3070] el0_svc_common+0x138/0x220 [ 32.900945][ T3070] do_el0_svc+0x48/0x164 [ 32.902095][ T3070] el0_svc+0x58/0x150 [ 32.903229][ T3070] el0t_64_sync_handler+0x84/0xf0 [ 32.904563][ T3070] el0t_64_sync+0x18c/0x190 [ 32.905731][ T3070] irq event stamp: 0 [ 32.906780][ T3070] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.908655][ T3070] hardirqs last disabled at (0): [] copy_process+0x928/0x16ec [ 32.911167][ T3070] softirqs last enabled at (0): [] copy_process+0x938/0x16ec [ 32.913713][ T3070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.915602][ T3070] ---[ end trace 0000000000000000 ]--- [ 32.917070][ T3070] Illegal XDP return value 4294967274 on prog (id 1) dev syz_tun, expect packet loss!