From 645e75f8038d1b177ead2d6ea0b3ade6f7f9d985 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Thu, 7 Jun 2018 15:32:16 +0200
Subject: executor: make syscall table and number constant

We see some crashes that suggest corruption of the syscall number:

invalid command number 1296 (errno 11)
invalid command number 107 (errno 110)

Make the table and the number constant to prevent corruption.
---
 executor/syscalls_linux.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'executor/syscalls_linux.h')

diff --git a/executor/syscalls_linux.h b/executor/syscalls_linux.h
index d093d0b6d..0d9bba2aa 100644
--- a/executor/syscalls_linux.h
+++ b/executor/syscalls_linux.h
@@ -6,8 +6,8 @@
 #define SYZ_PAGE_SIZE 4096
 #define SYZ_NUM_PAGES 4096
 #define SYZ_DATA_OFFSET 536870912
-unsigned syscall_count = 1949;
-call_t syscalls[] = {
+#define SYZ_SYSCALL_COUNT 1949
+const call_t syscalls[] = {
     {"accept4", 364},
     {"accept4$alg", 364},
     {"accept4$ax25", 364},
@@ -1967,8 +1967,8 @@ call_t syscalls[] = {
 #define SYZ_PAGE_SIZE 4096
 #define SYZ_NUM_PAGES 4096
 #define SYZ_DATA_OFFSET 536870912
-unsigned syscall_count = 2001;
-call_t syscalls[] = {
+#define SYZ_SYSCALL_COUNT 2001
+const call_t syscalls[] = {
     {"accept", 43},
     {"accept$alg", 43},
     {"accept$ax25", 43},
@@ -3980,8 +3980,8 @@ call_t syscalls[] = {
 #define SYZ_PAGE_SIZE 4096
 #define SYZ_NUM_PAGES 4096
 #define SYZ_DATA_OFFSET 536870912
-unsigned syscall_count = 1958;
-call_t syscalls[] = {
+#define SYZ_SYSCALL_COUNT 1958
+const call_t syscalls[] = {
     {"accept", 285},
     {"accept$alg", 285},
     {"accept$ax25", 285},
@@ -5950,8 +5950,8 @@ call_t syscalls[] = {
 #define SYZ_PAGE_SIZE 4096
 #define SYZ_NUM_PAGES 4096
 #define SYZ_DATA_OFFSET 536870912
-unsigned syscall_count = 1930;
-call_t syscalls[] = {
+#define SYZ_SYSCALL_COUNT 1930
+const call_t syscalls[] = {
     {"accept", 202},
     {"accept$alg", 202},
     {"accept$ax25", 202},
@@ -7892,8 +7892,8 @@ call_t syscalls[] = {
 #define SYZ_PAGE_SIZE 4096
 #define SYZ_NUM_PAGES 4096
 #define SYZ_DATA_OFFSET 536870912
-unsigned syscall_count = 1819;
-call_t syscalls[] = {
+#define SYZ_SYSCALL_COUNT 1819
+const call_t syscalls[] = {
     {"accept", 330},
     {"accept$alg", 330},
     {"accept$ax25", 330},
-- 
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