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
This commit is contained in:
Kuan-Ying Lee
2021-06-18 13:36:30 +08:00
committed by Todd Kjos
parent a7a3b31d58
commit 38abaebab7
3 changed files with 10 additions and 0 deletions

View File

@@ -12,6 +12,7 @@
* 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),
@@ -21,6 +22,10 @@ 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>