From: Paul Koning <paulkoning@comcast.net>
To: gdb-patches@sourceware.org
Subject: [PATCH][gdb] fix unsigned overflow in charset.c
Date: Tue, 09 Oct 2018 17:19:00 -0000 [thread overview]
Message-ID: <7B48D309-445E-4141-A87A-1F3D5FA70EFD@comcast.net> (raw)
This fixed an overflow in pointer arithmetic that crashes GDB on Mac OS.
Ok for trunk?
paul
gdb/ChangeLog:
2018-10-09 Paul Koning <paul_koning@dell.com>
* charset.c (convert_between_encodings): Fix unsigned overflow.
diff --git a/gdb/charset.c b/gdb/charset.c
index 8bb2b4d669..64757ab279 100644
--- a/gdb/charset.c
+++ b/gdb/charset.c
@@ -548,7 +548,7 @@ convert_between_encodings (const char *from, const char *to,
/* Now make sure that the object on the obstack only includes
bytes we have converted. */
- obstack_blank_fast (output, -outleft);
+ obstack_blank_fast (output, -(ssize_t) outleft);
if (r == (size_t) -1)
{
next reply other threads:[~2018-10-09 17:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-09 17:19 Paul Koning [this message]
2018-10-09 17:31 ` Pedro Alves
2018-10-09 17:40 ` Paul Koning
2018-10-09 17:57 ` John Baldwin
2018-10-09 18:10 ` Paul Koning
2018-10-09 19:58 ` John Baldwin
2018-10-10 8:51 ` Pedro Alves
2018-10-11 20:16 ` John Baldwin
2018-10-16 15:58 ` Pedro Alves
2018-10-17 18:38 ` John Baldwin
2018-10-17 18:47 ` Paul Koning
2018-10-17 21:51 ` Pedro Alves
2018-10-17 23:28 ` Paul Koning
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