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Linux Kernel Mailing List Archive

From: Sorav Bansal (sbansal@stanford.edu)
Date: Thu Dec 16 2004 - 17:26:22 EST


Hi all,

There is a simple bug I noticed in swapon.c (util-linux-2.12-r4):

swapon.c line 138:
  swapFiles array is indexed without checking against NULL (after call to
  realloc)

To fix this bug, you could replace lines 135-138 by the following:
        newswapFiles = realloc(..)
        if (newSwapFiles==NULL) {
            return;
        }
        numSwaps++;
        swapFiles = newswapFiles;
        swapFiles[numSwaps-1] = strdup(line);

regards,
-Sorav

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