general protection fault, maybe for address 0x67109d87: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 13080 Comm: syz-executor.5 Tainted: G W 6.1.43-syzkaller-00003-gbeea09533dd2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:bpf_dispatcher_xdp+0xf/0x1000 Code: fd ff 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 48 81 fa 14 4e 00 a0 0f 84 47 15 00 00 ff e2 7f 1e 48 81 fa 18 4d 00 a0 0f 84 39 14 00 00 ff e2 0f 1f 84 00 RSP: 0018:ffffc900094b78b0 EFLAGS: 00010a07 RAX: 0000000067109d87 RBX: ffffc900094b7c00 RCX: 0000000000040000 RDX: ffffffffa0004e14 RSI: ffffc900094ad050 RDI: ffffc900094b7c00 RBP: ffffc900094b78d0 R08: ffffffff842fb45d R09: ffffed1022a3eca9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900094ad030 R14: ffffffffa0004e14 R15: ffffc900094ad050 FS: 00007fe9858846c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01aefce00 CR3: 000000011630d000 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: 0033:0x7fe984a7cae9 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:00007fe9858840c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe984b9bf80 RCX: 00007fe984a7cae9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007fe984ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe984b9bf80 R15: 00007ffff04dd098 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_dispatcher_xdp+0xf/0x1000 Code: fd ff 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 48 81 fa 14 4e 00 a0 0f 84 47 15 00 00 ff e2 7f 1e 48 81 fa 18 4d 00 a0 0f 84 39 14 00 00 ff e2 0f 1f 84 00 RSP: 0018:ffffc900094b78b0 EFLAGS: 00010a07 RAX: 0000000067109d87 RBX: ffffc900094b7c00 RCX: 0000000000040000 RDX: ffffffffa0004e14 RSI: ffffc900094ad050 RDI: ffffc900094b7c00 RBP: ffffc900094b78d0 R08: ffffffff842fb45d R09: ffffed1022a3eca9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900094ad030 R14: ffffffffa0004e14 R15: ffffc900094ad050 FS: 00007fe9858846c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01aefce00 CR3: 000000011630d000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess), 3 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: 48 81 fa 14 4e 00 a0 cmp $0xffffffffa0004e14,%rdx 1f: 0f 84 47 15 00 00 je 0x156c 25: ff e2 jmp *%rdx * 27: a0 7f 1e 48 81 fa 18 movabs 0x4d18fa81481e7f,%al <-- trapping instruction 2e: 4d 00 30: a0 0f 84 39 14 00 00 movabs 0xe2ff00001439840f,%al 37: ff e2 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax)