| author | Rich Burridge <rich.burridge@oracle.com> |
| Mon, 19 Dec 2016 15:41:53 -0800 | |
| branch | s11u3-sru |
| changeset 7509 | 5f98694fa5a6 |
| permissions | -rw-r--r-- |
|
7509
5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
diff
changeset
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1 |
Fix out of bounds read (Brooks Davis) |
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5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
diff
changeset
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2 |
(reproduce by starting tcsh and hitting tab at the prompt) |
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5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
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3 |
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5f98694fa5a6
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Rich Burridge <rich.burridge@oracle.com>
parents:
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4 |
See: |
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Rich Burridge <rich.burridge@oracle.com>
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5 |
http://mx.gw.com/pipermail/tcsh-bugs/2016-December/001103.html |
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5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
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6 |
for more details. |
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5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
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7 |
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Rich Burridge <rich.burridge@oracle.com>
parents:
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8 |
Upstream fix at: |
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5f98694fa5a6
25216284 problem in UTILITY/TCSH
Rich Burridge <rich.burridge@oracle.com>
parents:
diff
changeset
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9 |
https://github.com/tcsh-org/tcsh/commit/6a542dc4fb2ba26518a47e9b3a9bcd6a91b94596 |
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Rich Burridge <rich.burridge@oracle.com>
parents:
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10 |
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Rich Burridge <rich.burridge@oracle.com>
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11 |
--- tcsh-6.19.00/ed.chared.c.orig 2016-12-07 06:26:09.076227132 +0000 |
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12 |
+++ tcsh-6.19.00/ed.chared.c 2016-12-07 06:26:41.976633276 +0000 |
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Rich Burridge <rich.burridge@oracle.com>
parents:
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13 |
@@ -750,7 +750,7 @@ |
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14 |
/* |
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15 |
* If we found a history character, go expand it. |
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16 |
*/ |
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17 |
- if (HIST != '\0' && *p == HIST) |
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18 |
+ if (p >= InputBuf && HIST != '\0' && *p == HIST) |
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19 |
nr_exp = c_excl(p); |
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20 |
else |
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21 |
nr_exp = 0; |