The patch below fixes a possible reading beyond the end of string
in the function xlate_to_uni, if the mountoption 'uni_xlate' is
set.
The bug causes the error message 'invalid argument' in sporadic distances.
Wolfram
diff -urdN linux-2.3.23.orig/fs/vfat/namei.c linux-2.3.23.vfat/fs/vfat/namei.c
--- linux-2.3.23.orig/fs/vfat/namei.c Mon Aug 9 20:43:49 1999
+++ linux-2.3.23.vfat/fs/vfat/namei.c Sun Oct 24 18:47:05 1999
@@ -661,7 +661,7 @@
op = outname;
if (nls) {
for (i = 0, ip = name, op = outname, *outlen = 0;
- i < len && *outlen <= 260; i++, *outlen += 1)
+ i < len && *outlen <= 260; *outlen += 1)
{
if (escape && (*ip == ':')) {
if (i > len - 4) return -EINVAL;
@@ -673,10 +673,12 @@
*op++ = (c1 << 4) + (c2 >> 2);
*op++ = ((c2 & 0x3) << 6) + c3;
ip += 4;
+ i += 4;
} else {
*op++ = nls->charset2uni[*ip].uni1;
*op++ = nls->charset2uni[*ip].uni2;
ip++;
+ i++;
}
}
} else {
-
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