kernel: Use more reasonable symbol name for newfstatat

Author: aviraxp

kernel/arch.h

@@ -23,7 +23,7 @@
 #define SYS_EXECVE_SYMBOL "__arm64_sys_execve"
 // https://cs.android.com/android/kernel/superproject/+/common-android-mainline:common/scripts/syscalltbl.sh;l=57;drc=9142be9e6443fd641ca37f820efe00d9cd890eb1
 // https://cs.android.com/android/kernel/superproject/+/common-android-mainline:common/scripts/syscall.tbl;l=104;drc=b36d4b6aa88ef039647228b98c59a875e92f8c8e
-#define SYS_NEWFSTATAT_SYMBOL "__arm64_sys_newfstat"
+#define SYS_FSTAT_SYMBOL "__arm64_sys_newfstat"
 
 #elif defined(__x86_64__)
 
@@ -43,7 +43,7 @@
 #define REBOOT_SYMBOL "__x64_sys_reboot"
 #define SYS_READ_SYMBOL "__x64_sys_read"
 #define SYS_EXECVE_SYMBOL "__x64_sys_execve"
-#define SYS_NEWFSTATAT_SYMBOL "__x64_sys_newfstat"
+#define SYS_FSTAT_SYMBOL "__x64_sys_newfstat"
 
 #else
 #error "Unsupported arch"

kernel/ksud.c

@@ -582,7 +582,7 @@ static struct kprobe sys_read_kp = {
 };
 
 static struct kretprobe sys_fstat_kp = {
-    .kp.symbol_name = SYS_NEWFSTATAT_SYMBOL,
+    .kp.symbol_name = SYS_FSTAT_SYMBOL,
     .entry_handler = sys_fstat_handler_pre,
     .handler = sys_fstat_handler_post,
     .data_size = sizeof(void *),