![]() | |||||||||||||
Messages in this thread Patch in this message |
From 61b840f071e496f632fcc293f5435428cfc98844 Mon Sep 17 00:00:00 2001 From: Vegard Nossum <vegard.nossum@gmail.com> Date: Tue, 13 May 2008 10:20:27 +0200 Subject: [PATCH] kallsyms: fix potential overflow in binary search This will probably never trigger... but it won't hurt to be careful. http://googleresearch.blogspot.com/2006/06/extra-extra-read-all-about-it-nearly.html Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> --- kernel/kallsyms.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 6fc0040..38fc10a 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -176,7 +176,7 @@ static unsigned long get_symbol_pos(unsigned long addr, high = kallsyms_num_syms; while (high - low > 1) { - mid = (low + high) / 2; + mid = low + (high - low) / 2; if (kallsyms_addresses[mid] <= addr) low = mid; else -- 1.5.4.1 | ||||||||||||
| Last update: 2008-05-13 22:11 [from the cache] ©2003-2008 | |||||||||||||