invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9724 Comm: syz-executor145 Not tainted 6.1.93-syzkaller-1151390-g09ab23566111 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:bpf_dispatcher_xdp+0x81d/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa 8c 21 00 a0 7f 37 48 81 fa 98 1f 00 a0 7f 1e 48 81 fa 98 1f 00 a0 0f 84 39 dc ff ff e2 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 81 fa RSP: 0018:ffffc90002eff890 EFLAGS: 00010283 RAX: ffffffff84163c57 RBX: ffffc90002effbe0 RCX: ffff888127dd1440 RDX: ffffffffa0001f98 RSI: ffffc90003041050 RDI: ffffc90002effbe0 RBP: ffffc90002eff8b0 R08: ffffffff842f8a0d R09: ffffed1024fba289 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90003041030 R14: ffffffffa0001f98 R15: ffffc90003041050 FS: 00007f1ea8ca66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffda2eb38d8 CR3: 0000000125925000 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:1389 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: 0033:0x7f1ea8ceeaf9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1b 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:00007f1ea8ca6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f1ea8d713e8 RCX: 00007f1ea8ceeaf9 RDX: 0000000000000048 RSI: 0000000020001480 RDI: 000000000000000a RBP: 00007f1ea8d713e0 R08: 00007f1ea8ca66c0 R09: 0000000000000000 R10: 00007f1ea8ca66c0 R11: 0000000000000246 R12: 00007f1ea8d713ec R13: 0000000000000016 R14: 00007ffda2eb3810 R15: 00007ffda2eb38f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0x81d/0x1000 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 48 81 fa d0 4b 00 a0 7f 47 48 81 fa a4 4b 00 a0 7f 2e 48 81 fa 98 1f 00 a0 7f 15 48 81 98 1f 00 a0 0f 84 30 dc ff ff ff e2 66 0f 1f 44 00 00 48 81 fa RSP: 0018:ffffc90002eff890 EFLAGS: 00010283 RAX: ffffffff84163c57 RBX: ffffc90002effbe0 RCX: ffff888127dd1440 RDX: ffffffffa0001f98 RSI: ffffc90003041050 RDI: ffffc90002effbe0 RBP: ffffc90002eff8b0 R08: ffffffff842f8a0d R09: ffffed1024fba289 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90003041030 R14: ffffffffa0001f98 R15: ffffc90003041050 FS: 00007f1ea8ca66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001480 CR3: 0000000125925000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): c: 00 48 81 add %cl,-0x7f(%rax) f: fa cli 10: 8c 21 mov %fs,(%rcx) 12: 00 a0 7f 37 48 81 add %ah,-0x7eb7c881(%rax) 18: fa cli 19: 98 cwtl 1a: 1f (bad) 1b: 00 a0 7f 1e 48 81 add %ah,-0x7eb7e181(%rax) 21: fa cli 22: 98 cwtl 23: 1f (bad) 24: 00 a0 0f 84 39 dc add %ah,-0x23c67bf1(%rax) * 2a: ff (bad) <-- trapping instruction 2b: ff (bad) 2c: ff e2 jmp *%rdx 2e: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 35: 00 36: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3d: 48 rex.W 3e: 81 .byte 0x81 3f: fa cli