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commit 69ace2200106348a1b00d509a6a234337c104c17
Author: Nick Clifton <nickc@redhat.com>
Date: Thu Dec 1 15:20:19 2016 +0000
Fix seg fault attempting to unget an EOF character.
PR gas/20898
* app.c (do_scrub_chars): Do not attempt to unget EOF.
Upstream-Status: backport
CVE: CVE-2017-7223
Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Index: git/gas/ChangeLog
===================================================================
--- git.orig/gas/ChangeLog 2017-09-04 12:42:08.941602299 +0530
+++ git/gas/ChangeLog 2017-09-04 12:48:28.863820763 +0530
@@ -1,3 +1,8 @@
+2016-12-01 Nick Clifton <nickc@redhat.com>
+
+ PR gas/20898
+ * app.c (do_scrub_chars): Do not attempt to unget EOF.
+
2016-08-05 Nick Clifton <nickc@redhat.com>
PR gas/20364
Index: git/gas/app.c
===================================================================
--- git.orig/gas/app.c 2017-09-04 12:42:05.261580103 +0530
+++ git/gas/app.c 2017-09-04 12:47:19.923428673 +0530
@@ -1187,7 +1187,7 @@
state = -2;
break;
}
- else
+ else if (ch2 != EOF)
{
UNGET (ch2);
}
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