Messages in this thread Patch in this message | | | From | Rayagonda Kokatanur <> | Subject | [PATCH v1 2/2] async_tx: fix possible negative array indexing | Date | Tue, 17 Mar 2020 11:45:22 +0530 |
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Fix possible negative array index read in __2data_recov_5() function.
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> --- crypto/async_tx/async_raid6_recov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c index 33f2a8f8c9f4..9cd016cb2d09 100644 --- a/crypto/async_tx/async_raid6_recov.c +++ b/crypto/async_tx/async_raid6_recov.c @@ -206,7 +206,7 @@ __2data_recov_5(int disks, size_t bytes, int faila, int failb, good_srcs++; } - if (good_srcs > 1) + if ((good_srcs > 1) || (good < 0)) return NULL; p = blocks[disks-2]; -- 2.17.1
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