invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 494 Comm: syz-executor265 Not tainted 6.1.25-syzkaller-00305-g500484f5be02 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:bpf_dispatcher_xdp+0x1d/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa 50 20 00 a0 7f 47 48 81 fa 10 20 00 a0 7f 2e 48 81 fa 5c 09 00 a0 7f 15 48 81 5c 09 00 a0 0f 84 f4 cd ff ff ff e2 66 0f 1f 44 00 00 48 81 fa RSP: 0018:ffffc900014b78b0 EFLAGS: 00010246 RAX: ffffffff8406fab7 RBX: ffffc900014b7c00 RCX: ffff88810fa726e4 RDX: ffffffffa0002010 RSI: ffffc90000919048 RDI: ffffc900014b7c00 RBP: ffffc900014b78d0 R08: ffffffff8420135d R09: ffffed1021f4e4c1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000919030 R14: ffffffffa0002010 R15: ffffc90000919048 FS: 00005555571663c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facd84d8130 CR3: 0000000121087000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run_xdp include/linux/filter.h:775 [inline] bpf_test_run+0x470/0xa40 net/bpf/test_run.c:400 bpf_prog_test_run_xdp+0x7a7/0x1130 net/bpf/test_run.c:1389 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3630 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:4985 __do_sys_bpf kernel/bpf/syscall.c:5071 [inline] __se_sys_bpf kernel/bpf/syscall.c:5069 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5069 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7facd8467d69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc96bd2f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffc96bd2fc0 RCX: 00007facd8467d69 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 000000000000000a RBP: 0000000000000000 R08: 0000000000028543 R09: 0000000000028543 R10: 00007ffc96bd2a10 R11: 0000000000000246 R12: 00000000000f4240 R13: 0000000000028543 R14: 00007ffc96bd2fac R15: 00007ffc96bd2fb0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x1d/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa 60 22 00 a0 7f 47 48 81 fa 10 20 00 a0 7f 2e 48 81 fa 5c 09 00 a0 7f 15 48 81 5c 09 00 a0 0f 84 f4 cd ff ff ff e2 66 0f 1f 44 00 00 48 81 fa RSP: 0018:ffffc900014b78b0 EFLAGS: 00010246 RAX: ffffffff8406fab7 RBX: ffffc900014b7c00 RCX: ffff88810fa726e4 RDX: ffffffffa0002010 RSI: ffffc90000919048 RDI: ffffc900014b7c00 RBP: ffffc900014b78d0 R08: ffffffff8420135d R09: ffffed1021f4e4c1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000919030 R14: ffffffffa0002010 R15: ffffc90000919048 FS: 00005555571663c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facd84db1d0 CR3: 0000000121087000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400