invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13154 Comm: syz-executor.3 Not tainted 6.1.25-syzkaller-00057-g6923dcc21df4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:bpf_dispatcher_xdp+0x9/0x1000 Code: ff 31 c0 e9 2c fd ff ff 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 08 00 a0 0f 84 <17> d0 ff ff ff e2 a0 7f 1e 48 81 fa 10 08 00 a0 0f 84 31 cf ff ff RSP: 0018:ffffc9000d1a78b0 EFLAGS: 00010246 RAX: ffffffff84100b87 RBX: ffffc9000d1a7c00 RCX: 0000000000040000 RDX: ffffffffa00008e4 RSI: ffffc9000d511050 RDI: ffffc9000d1a7c00 RBP: ffffc9000d1a78d0 R08: ffffffff842e0afd R09: ffffed1023243a21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc9000d511030 R14: ffffffffa00008e4 R15: ffffc9000d511050 FS: 00007fe68d3276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020006000 CR3: 00000001429bb000 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: 0033:0x7fe68c67cae9 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:00007fe68d3270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe68c79bf80 RCX: 00007fe68c67cae9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007fe68c6c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe68c79bf80 R15: 00007ffef9ce5fc8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x9/0x1000 Code: ff 31 c0 e9 2c fd ff ff 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 20 1a 00 a0 7f 37 <48> 81 fa e4 08 00 a0 7f 1e 48 81 fa e4 08 00 a0 0f 84 05 d0 ff ff RSP: 0018:ffffc9000d1a78b0 EFLAGS: 00010246 RAX: ffffffff84100b87 RBX: ffffc9000d1a7c00 RCX: 0000000000040000 RDX: ffffffffa00008e4 RSI: ffffc9000d511050 RDI: ffffc9000d1a7c00 RBP: ffffc9000d1a78d0 R08: ffffffff842e0afd R09: ffffed1023243a21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc9000d511030 R14: ffffffffa00008e4 R15: ffffc9000d511050 FS: 00007fe68d3276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002062b000 CR3: 00000001429bb000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 31 c0 xor %eax,%eax 2: e9 2c fd ff ff jmp 0xfffffd33 7: cc int3 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: cc int3 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: cc int3 1f: cc int3 20: 48 81 fa 20 1a 00 a0 cmp $0xffffffffa0001a20,%rdx 27: 7f 37 jg 0x60 * 29: 48 81 fa e4 08 00 a0 cmp $0xffffffffa00008e4,%rdx <-- trapping instruction 30: 7f 1e jg 0x50 32: 48 81 fa e4 08 00 a0 cmp $0xffffffffa00008e4,%rdx 39: 0f 84 05 d0 ff ff je 0xffffd044