invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11392 Comm: syz-executor.1 Tainted: G W 6.1.43-syzkaller-00026-gd2c0f4c4502a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:bpf_dispatcher_xdp+0xc/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa e4 1f 00 a0 0f 84 97 e4 ff ff e2 a0 7f 1e 48 81 fa e4 1f 00 a0 0f 84 85 e4 ff ff ff e2 0f RSP: 0018:ffffc90002bd78b0 EFLAGS: 00010287 RAX: 0000000002bd7cff RBX: ffffc90002bd7c00 RCX: 0000000000040000 RDX: ffffffffa0001fe4 RSI: ffffc90002e49050 RDI: 0000000084119e07 RBP: ffffc90002bd78d0 R08: ffffffff842fb4dd R09: ffffed102a204a21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90002e49030 R14: ffffffffa0001fe4 R15: ffffc90002e49050 FS: 00007f63b8bed6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020006000 CR3: 000000011c483000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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:3635 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:4990 __do_sys_bpf kernel/bpf/syscall.c:5076 [inline] __se_sys_bpf kernel/bpf/syscall.c:5074 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5074 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: 0033:0x7f63b7e7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f63b8bed0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f63b7f9bf80 RCX: 00007f63b7e7cae9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007f63b7ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f63b7f9bf80 R15: 00007ffe5d8523e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0xc/0x1000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 81 fa e4 1f 00 a0 0f 84 97 e4 ff ff e2 a0 7f 1e 48 81 fa e4 1f 00 a0 0f 84 85 e4 ff ff ff e2 0f RSP: 0018:ffffc90002bd78b0 EFLAGS: 00010287 RAX: 0000000002bd7cff RBX: ffffc90002bd7c00 RCX: 0000000000040000 RDX: ffffffffa0001fe4 RSI: ffffc90002e49050 RDI: 0000000084119e07 RBP: ffffc90002bd78d0 R08: ffffffff842fb4dd R09: ffffed102a204a21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90002e49030 R14: ffffffffa0001fe4 R15: ffffc90002e49050 FS: 00007f63b8bed6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020006000 CR3: 000000011c483000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600