Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Andrii Nakryiko | 594 | 82.27% | 2 | 40.00% |
John Fastabend | 81 | 11.22% | 1 | 20.00% |
Alban Crequy | 41 | 5.68% | 1 | 20.00% |
Yonghong Song | 6 | 0.83% | 1 | 20.00% |
Total | 722 | 5 |
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163
// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2020 Facebook */ #include "vmlinux.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> #include <bpf/bpf_core_read.h> #define MAX_LEN 256 char buf_in1[MAX_LEN] = {}; char buf_in2[MAX_LEN] = {}; int test_pid = 0; bool capture = false; /* .bss */ __u64 payload1_len1 = 0; __u64 payload1_len2 = 0; __u64 total1 = 0; char payload1[MAX_LEN + MAX_LEN] = {}; __u64 ret_bad_read = 0; /* .data */ int payload2_len1 = -1; int payload2_len2 = -1; int total2 = -1; char payload2[MAX_LEN + MAX_LEN] = { 1 }; int payload3_len1 = -1; int payload3_len2 = -1; int total3= -1; char payload3[MAX_LEN + MAX_LEN] = { 1 }; int payload4_len1 = -1; int payload4_len2 = -1; int total4= -1; char payload4[MAX_LEN + MAX_LEN] = { 1 }; char payload_bad[5] = { 0x42, 0x42, 0x42, 0x42, 0x42 }; SEC("raw_tp/sys_enter") int handler64_unsigned(void *regs) { int pid = bpf_get_current_pid_tgid() >> 32; void *payload = payload1; long len; /* ignore irrelevant invocations */ if (test_pid != pid || !capture) return 0; len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]); if (len >= 0) { payload += len; payload1_len1 = len; } len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]); if (len >= 0) { payload += len; payload1_len2 = len; } total1 = payload - (void *)payload1; ret_bad_read = bpf_probe_read_kernel_str(payload_bad + 2, 1, (void *) -1); return 0; } SEC("raw_tp/sys_exit") int handler64_signed(void *regs) { int pid = bpf_get_current_pid_tgid() >> 32; void *payload = payload3; long len; /* ignore irrelevant invocations */ if (test_pid != pid || !capture) return 0; len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]); if (len >= 0) { payload += len; payload3_len1 = len; } len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]); if (len >= 0) { payload += len; payload3_len2 = len; } total3 = payload - (void *)payload3; return 0; } SEC("tp/raw_syscalls/sys_enter") int handler32_unsigned(void *regs) { int pid = bpf_get_current_pid_tgid() >> 32; void *payload = payload2; u32 len; /* ignore irrelevant invocations */ if (test_pid != pid || !capture) return 0; len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]); if (len <= MAX_LEN) { payload += len; payload2_len1 = len; } len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]); if (len <= MAX_LEN) { payload += len; payload2_len2 = len; } total2 = payload - (void *)payload2; return 0; } SEC("tp/raw_syscalls/sys_exit") int handler32_signed(void *regs) { int pid = bpf_get_current_pid_tgid() >> 32; void *payload = payload4; long len; /* ignore irrelevant invocations */ if (test_pid != pid || !capture) return 0; len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]); if (len >= 0) { payload += len; payload4_len1 = len; } len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]); if (len >= 0) { payload += len; payload4_len2 = len; } total4 = payload - (void *)payload4; return 0; } SEC("tp/syscalls/sys_exit_getpid") int handler_exit(void *regs) { long bla; if (bpf_probe_read_kernel(&bla, sizeof(bla), 0)) return 1; else return 0; } char LICENSE[] SEC("license") = "GPL";
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1