Warning: Permanently added '10.128.1.106' (ECDSA) to the list of known hosts. executing program [ 42.964519][ T4066] ------------[ cut here ]------------ [ 42.966071][ T4066] Too BIG xdp->frame_sz = 131072 [ 42.967587][ T4066] WARNING: CPU: 0 PID: 4066 at net/core/filter.c:3848 bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 42.969845][ T4066] Modules linked in: [ 42.970693][ T4066] CPU: 0 PID: 4066 Comm: syz-executor874 Not tainted 5.15.98-syzkaller #0 [ 42.972716][ T4066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 42.975118][ T4066] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 42.977002][ T4066] pc : bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 42.978339][ T4066] lr : bpf_xdp_adjust_tail+0x1a4/0x1b0 [ 42.979671][ T4066] sp : ffff80001afc7470 [ 42.980701][ T4066] x29: ffff80001afc7470 x28: ffff0000d399fec0 x27: 1ffff000035f8ed9 [ 42.982573][ T4066] x26: ffff0000d398feef x25: dfff800000000000 x24: 0000000000020000 [ 42.984511][ T4066] x23: ffff0000d398feef x22: 0000000000000000 x21: ffff80001afc76c0 [ 42.986400][ T4066] x20: ffff80001afc76c8 x19: ffff800016d3f000 x18: 0000000000000201 [ 42.988398][ T4066] x17: ff80800008337080 x16: ffff80001197afb0 x15: ffff800008337080 [ 42.990243][ T4066] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 42.992136][ T4066] x11: ff8080000832eb64 x10: 0000000000000000 x9 : c982721cf5882e00 [ 42.994055][ T4066] x8 : c982721cf5882e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.995862][ T4066] x5 : ffff80001afc6bd8 x4 : ffff800014a10780 x3 : ffff80000854d760 [ 42.997828][ T4066] x2 : 0000000000000001 x1 : 0000000100000200 x0 : ffffffffffffffea [ 42.999793][ T4066] Call trace: [ 43.000594][ T4066] bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 43.001773][ T4066] bpf_prog_4add87e5301a4105+0x3c/0x658 [ 43.003074][ T4066] bpf_dispatcher_xdp_func+0x30/0x44 [ 43.004339][ T4066] bpf_prog_run_generic_xdp+0x3e0/0xea8 [ 43.005630][ T4066] do_xdp_generic+0x348/0x614 [ 43.006768][ T4066] tun_get_user+0x1d8c/0x3630 [ 43.007907][ T4066] tun_chr_write_iter+0xfc/0x20c [ 43.009127][ T4066] vfs_write+0x87c/0xb3c [ 43.010099][ T4066] ksys_write+0x15c/0x26c [ 43.011150][ T4066] __arm64_sys_write+0x7c/0x90 [ 43.012352][ T4066] invoke_syscall+0x98/0x2b8 [ 43.013482][ T4066] el0_svc_common+0x138/0x258 [ 43.014616][ T4066] do_el0_svc+0x58/0x14c [ 43.015616][ T4066] el0_svc+0x7c/0x1f0 [ 43.016540][ T4066] el0t_64_sync_handler+0x84/0xe4 [ 43.017683][ T4066] el0t_64_sync+0x1a0/0x1a4 [ 43.018716][ T4066] irq event stamp: 13919 [ 43.019764][ T4066] hardirqs last enabled at (13918): [] __up_console_sem+0xb4/0x100 [ 43.022086][ T4066] hardirqs last disabled at (13919): [] el1_dbg+0x24/0x80 [ 43.024154][ T4066] softirqs last enabled at (13748): [] bpf_link_settle+0x80/0x148 [ 43.026429][ T4066] softirqs last disabled at (13858): [] local_bh_disable+0x10/0x34 [ 43.028702][ T4066] ---[ end trace 000ee240d08cc1a4 ]--- [ 43.030276][ T4066] Illegal XDP return value 4294967274, expect packet loss!