tchars is not '\0'-terminated so the strtoul may run into problems. Fix
that.
Also make tchars as big as a long in hexadecimal form would take rather
than just 16.
Signed-off-by: Jan Engelhardt <[email protected]>
diff --fast -Ndpru linux-2.6.17-rc4~/fs/openpromfs/inode.c linux-2.6.17-rc4+/fs/openpromfs/inode.c
--- linux-2.6.17-rc4~/fs/openpromfs/inode.c 2006-05-16 20:56:41.395807000 +0200
+++ linux-2.6.17-rc4+/fs/openpromfs/inode.c 2006-05-16 20:57:32.725807000 +0200
@@ -448,10 +448,11 @@ static ssize_t property_write(struct fil
*q |= simple_strtoul (tmp, NULL, 16);
buf += last_cnt;
} else {
- char tchars[17]; /* XXX yuck... */
+ char tchars[2 * sizeof(long) + 1];
- if (copy_from_user(tchars, buf, 16))
+ if (copy_from_user(tchars, buf, sizeof(tchars) - 1))
return -EFAULT;
+ tchars[sizeof(tchars) - 1] = '\0';
*q = simple_strtoul (tchars, NULL, 16);
buf += 9;
}
#<<eof>>
Jan Engelhardt
--
| Software Engineer and Linux/Unix Network Administrator
| Alphagate Systems, http://alphagate.hopto.org/
| jengelh's site, http://jengelh.hopto.org/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
