Messages in this thread Patch in this message | | | Date | Tue, 20 Nov 2007 10:24:35 -0800 | From | Greg Kroah-Hartman <> | Subject | [patch 19/29] x86: fix off-by-one in find_next_zero_string |
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2.6.23-stable review patch. If anyone has any objections, please let us know.
------------------ From: Andrew Hastings <abh@cray.com>
patch 801916c1b369b637ce799e6c71a94963ff63df79 in mainline.
x86: fix off-by-one in find_next_zero_string
Fix an off-by-one error in find_next_zero_string which prevents allocating the last bit.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Andrew Hastings <abh@cray.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- arch/x86_64/lib/bitstr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86_64/lib/bitstr.c +++ b/arch/x86_64/lib/bitstr.c @@ -14,7 +14,7 @@ find_next_zero_string(unsigned long *bit /* could test bitsliced, but it's hardly worth it */ end = n+len; - if (end >= nbits) + if (end > nbits) return -1; for (i = n+1; i < end; i++) { if (test_bit(i, bitmap)) { -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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