bug in swapon.c (util-linux-2.12-r4)

[Sorav Bansal]

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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