Commit 2fc9c4e1 authored Jul 25, 2008 by Vegard Nossum Committed by Linus Torvalds Jul 25, 2008

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>
Cc: Joshua Bloch <jjb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 58340a07

kernel/kallsyms.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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