[PATCH] readkey: force return from while true
From: Jan Weitzel <hidden>
Date: 2011-11-22 12:32:38
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
If read_key is feeded by STRG + KEY_LEFT you run into the while(1) loop and corrupt memory through esc array. Force return if index gets too high. Signed-off-by: Jan Weitzel <redacted> --- lib/readkey.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/lib/readkey.c b/lib/readkey.c
index a42d1cb..895db82 100644
--- a/lib/readkey.c
+++ b/lib/readkey.c@@ -67,6 +67,8 @@ int read_key(void) esc[i] = getc(); if (esc[i++] == '~') break; + if (i == 5) + return -1; } } esc[i] = 0;
--
1.7.0.4
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