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ANDROID: syscall_check: add vendor hook for mmap syscall

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Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and related operations.

Bug: 191291287

Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: If20bd8bb8311ad10a374033734fbdc7ef61a7704
(cherry picked from commit a5543c9cd7)
This commit is contained in:
Kuan-Ying Lee
2021-10-05 17:29:04 +08:00
parent f2d4bb3c0e
commit e13e55eae1
3 changed files with 28 additions and 0 deletions
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2
drivers/android/vendor_hooks.c
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@@ -42,6 +42,7 @@
#include <trace/hooks/memory.h>
#include <trace/hooks/module.h>
#include <trace/hooks/selinux.h>
#include <trace/hooks/syscall_check.h>
/*
* Export tracepoints that act as a bare tracehook (ie: have no trace event
@@ -192,3 +193,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_rw);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_module_permit_before_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_module_permit_after_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_selinux_is_initialized);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_mmap_file);