From: Vasanthakumar Thiagarajan Date: Fri, 13 Nov 2009 09:02:39 +0000 (+0530) Subject: ath9k_hw: Fix possible OOB array indexing in gen_timer_index[] on 64-bit X-Git-Tag: firefly_0821_release~11625^2~433 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a6d8cc616a9058b2e08776f971febf5c84534551;p=firefly-linux-kernel-4.4.55.git ath9k_hw: Fix possible OOB array indexing in gen_timer_index[] on 64-bit commit c90017dd43f0cdb42134b9229761e8be02bcd524 upstream. debruijn32 (0x077CB531) is used to index gen_timer_index[] which is an array of 32 u32. Having debruijn32 as unsigned long on a 64-bit platform will result in indexing more than 32 in gen_timer_index[] and there by causing a crash. Make it unsigned to fix this issue. Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 57f14630e2a1..ff4383bb3ac3 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -408,7 +408,7 @@ struct ath9k_hw_version { * Using de Bruijin sequence to to look up 1's index in a 32 bit number * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001 */ -#define debruijn32 0x077CB531UL +#define debruijn32 0x077CB531U struct ath_gen_timer_configuration { u32 next_addr;