Files
android_kernel_xiaomi_sm8450/include/trace/hooks/syscall_check.h
Kuan-Ying Lee 38abaebab7 ANDROID: syscall_check: add vendor hook for bpf syscall
Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and bpf operations.

Bug: 191291287

Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: Ie4ed8df7ad66df2486fc7e52a26d9191fc0c176e
2021-07-09 13:48:53 +00:00

32 lines
1007 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM syscall_check
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_SYSCALL_CHECK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_SYSCALL_CHECK_H
#include <linux/tracepoint.h>
#include <trace/hooks/vendor_hooks.h>
/*
* Following tracepoints are not exported in tracefs and provide a
* mechanism for vendor modules to hook and extend functionality
*/
struct file;
union bpf_attr;
DECLARE_HOOK(android_vh_check_mmap_file,
TP_PROTO(const struct file *file, unsigned long prot,
unsigned long flag, unsigned long ret),
TP_ARGS(file, prot, flag, ret));
DECLARE_HOOK(android_vh_check_file_open,
TP_PROTO(const struct file *file),
TP_ARGS(file));
DECLARE_HOOK(android_vh_check_bpf_syscall,
TP_PROTO(int cmd, const union bpf_attr *attr, unsigned int size),
TP_ARGS(cmd, attr, size));
#endif /* _TRACE_HOOK_SYSCALL_CHECK_H */
/* This part must be outside protection */
#include <trace/define_trace.h>