Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. executing program [ 44.266282][ T4060] ------------[ cut here ]------------ [ 44.267641][ T4060] Too BIG xdp->frame_sz = 131072 [ 44.269249][ T4060] WARNING: CPU: 0 PID: 4060 at net/core/filter.c:3848 bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 44.271676][ T4060] Modules linked in: [ 44.272602][ T4060] CPU: 0 PID: 4060 Comm: syz-executor272 Not tainted 5.15.98-syzkaller #0 [ 44.274802][ T4060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 44.277276][ T4060] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.279232][ T4060] pc : bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 44.280649][ T4060] lr : bpf_xdp_adjust_tail+0x1a4/0x1b0 [ 44.282059][ T4060] sp : ffff80001cb97470 [ 44.283068][ T4060] x29: ffff80001cb97470 x28: ffff0000d665fec0 x27: 1ffff00003972ed9 [ 44.285115][ T4060] x26: ffff0000d664feef x25: dfff800000000000 x24: 0000000000020000 [ 44.287154][ T4060] x23: ffff0000d664feef x22: 0000000000000000 x21: ffff80001cb976c0 [ 44.289177][ T4060] x20: ffff80001cb976c8 x19: ffff800016d3f000 x18: 0000000000000201 [ 44.291179][ T4060] x17: ff80800008337080 x16: 0000000000000000 x15: ffff800008337080 [ 44.293160][ T4060] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 44.295215][ T4060] x11: ff8080000832eb64 x10: 0000000000000000 x9 : c15b1ff029830300 [ 44.297281][ T4060] x8 : c15b1ff029830300 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.299396][ T4060] x5 : ffff80001cb96bd8 x4 : ffff800014a10780 x3 : ffff8000083371cc [ 44.301503][ T4060] x2 : 0000000000000001 x1 : 0000000100000200 x0 : ffffffffffffffea [ 44.303598][ T4060] Call trace: [ 44.304447][ T4060] bpf_xdp_adjust_tail+0x1a8/0x1b0 [ 44.305785][ T4060] bpf_prog_4add87e5301a4105+0x3c/0x100 [ 44.307210][ T4060] bpf_dispatcher_xdp_func+0x30/0x44 [ 44.308535][ T4060] bpf_prog_run_generic_xdp+0x3e0/0xea8 [ 44.309955][ T4060] do_xdp_generic+0x348/0x614 [ 44.311162][ T4060] tun_get_user+0x1d8c/0x3630 [ 44.312414][ T4060] tun_chr_write_iter+0xfc/0x20c [ 44.313618][ T4060] vfs_write+0x87c/0xb3c [ 44.314737][ T4060] ksys_write+0x15c/0x26c [ 44.315844][ T4060] __arm64_sys_write+0x7c/0x90 [ 44.317082][ T4060] invoke_syscall+0x98/0x2b8 [ 44.318284][ T4060] el0_svc_common+0x138/0x258 [ 44.319465][ T4060] do_el0_svc+0x58/0x14c [ 44.320516][ T4060] el0_svc+0x7c/0x1f0 [ 44.321555][ T4060] el0t_64_sync_handler+0x84/0xe4 [ 44.322812][ T4060] el0t_64_sync+0x1a0/0x1a4 [ 44.323976][ T4060] irq event stamp: 14327 [ 44.325054][ T4060] hardirqs last enabled at (14326): [] __up_console_sem+0xb4/0x100 [ 44.327466][ T4060] hardirqs last disabled at (14327): [] el1_dbg+0x24/0x80 [ 44.329657][ T4060] softirqs last enabled at (14156): [] bpf_link_settle+0x80/0x148 [ 44.332105][ T4060] softirqs last disabled at (14266): [] local_bh_disable+0x10/0x34 [ 44.334478][ T4060] ---[ end trace be4bada2ac3b57d1 ]--- [ 44.336002][ T4060] Illegal XDP return value 4294967274, expect packet loss!