commit b685de86cc42cec995c38c042a4377be471fc77b
author Alan Modra <amodra@gmail.com> Sat Jan 01 13:53:32 2022 +1030
committer Alan Modra <amodra@gmail.com> Sat Jan 01 14:22:13 2022 +1030
tree eca070f690b0cb54af590a9829624684f13e0f7c
parent fcec5debef3f23dd0024a4501609353676d7dc50

ubsan: next_char_of_string signed integer overflow

Squash another totally useless fuzz report that I should have ignored.

	* read.c (next_char_of_string): Avoid integer overflow.

gas/read.c

diff --git a/gas/read.c b/gas/read.c
index cd82c83..6c8b7c3 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -5642,7 +5642,7 @@
 	case '8':
 	case '9':
 	  {
-	    long number;
+	    unsigned number;
 	    int i;
 
 	    for (i = 0, number = 0;
@@ -5660,7 +5660,7 @@
 	case 'x':
 	case 'X':
 	  {
-	    long number;
+	    unsigned number;
 
 	    number = 0;
 	    c = *input_line_pointer++;