invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2458 Comm: syz-executor.4 Not tainted 6.1.99-syzkaller-1151474-g110595418159 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:bpf_dispatcher_xdp+0x814/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 6c 4b 00 a0 7f 37 48 81 fa 28 22 00 a0 7f 1e 48 81 28 22 00 a0 0f 84 c9 de ff ff ff e2 0f 1f 84 00 00 00 00 00 0f RSP: 0018:ffffc90000e47890 EFLAGS: 00010246 RAX: ffffffff8416ade7 RBX: ffffc90000e47be0 RCX: ffff88811cfe0000 RDX: ffffffffa0002228 RSI: ffffc90000ecf050 RDI: ffffc90000e47be0 RBP: ffffc90000e478b0 R08: ffffffff842ffeed R09: ffffed10239fc001 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000ecf030 R14: ffffffffa0002228 R15: ffffc90000ecf050 FS: 00007f3a223076c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f68bc8ffaa1 CR3: 000000012b70f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run_xdp include/linux/filter.h:778 [inline] bpf_test_run+0x470/0xa40 net/bpf/test_run.c:400 bpf_prog_test_run_xdp+0x7a7/0x1130 net/bpf/test_run.c:1395 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3650 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5005 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline] __se_sys_bpf kernel/bpf/syscall.c:5089 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3a2167cb29 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:00007f3a223070c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f3a2179bf80 RCX: 00007f3a2167cb29 RDX: 0000000000000048 RSI: 0000000020000180 RDI: 000000000000000a RBP: 00007f3a216c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3a2179bf80 R15: 00007fff4b0d5198 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x814/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 64 4e 00 a0 7f 37 48 81 fa 28 22 00 a0 7f 1e 48 81 28 22 00 a0 0f 84 c9 de ff ff ff e2 0f 1f 84 00 00 00 00 00 0f RSP: 0018:ffffc90000e47890 EFLAGS: 00010246 RAX: ffffffff8416ade7 RBX: ffffc90000e47be0 RCX: ffff88811cfe0000 RDX: ffffffffa0002228 RSI: ffffc90000ecf050 RDI: ffffc90000e47be0 RBP: ffffc90000e478b0 R08: ffffffff842ffeed R09: ffffed10239fc001 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000ecf030 R14: ffffffffa0002228 R15: ffffc90000ecf050 FS: 00007f3a223076c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a8b3980c0 CR3: 000000012b70f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 14: 00 48 81 add %cl,-0x7f(%rax) 17: fa cli 18: 6c insb (%dx),%es:(%rdi) 19: 4b 00 a0 7f 37 48 81 rex.WXB add %spl,-0x7eb7c881(%r8) 20: fa cli 21: 28 22 sub %ah,(%rdx) 23: 00 a0 7f 1e 48 81 add %ah,-0x7eb7e181(%rax) * 29: fa cli <-- trapping instruction 2a: 28 22 sub %ah,(%rdx) 2c: 00 a0 0f 84 c9 de add %ah,-0x21367bf1(%rax) 32: ff (bad) 33: ff (bad) 34: ff e2 jmp *%rdx 36: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 3d: 00 3e: 0f .byte 0xf