On Mon, May 14, 2012 at 09:36:55AM +0200, Hans Schillstrom wrote: > On Saturday 12 May 2012 13:00:03 Dan Carpenter wrote: > > There is a typo in the error checking and "&&" was used instead of "||". > > If skb_header_pointer() returns NULL then it leads to a NULL > > dereference. > > > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > Ack-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx> > > > --- > > Btw, this is new code and Sparse complains about endian bugs. > > Can you give me some hints here, arch , compiler version etc. > I guess it was input to hmark_addr_mask() that complains ? > Yes. That was one of the warnings. http://lwn.net/Articles/205624/ net/netfilter/xt_HMARK.c:87:35: warning: incorrect type in assignment (different base types) net/netfilter/xt_HMARK.c:87:35: expected unsigned short [unsigned] [usertype] src net/netfilter/xt_HMARK.c:87:35: got restricted __be16 [usertype] all net/netfilter/xt_HMARK.c:88:35: warning: incorrect type in assignment (different base types) net/netfilter/xt_HMARK.c:88:35: expected unsigned short [unsigned] [usertype] dst net/netfilter/xt_HMARK.c:88:35: got restricted __be16 [usertype] all net/netfilter/xt_HMARK.c:181:35: warning: incorrect type in argument 1 (different base types) net/netfilter/xt_HMARK.c:181:35: expected unsigned int const [usertype] *addr32 net/netfilter/xt_HMARK.c:181:35: got restricted __be32 *<noident> net/netfilter/xt_HMARK.c:182:35: warning: incorrect type in argument 1 (different base types) net/netfilter/xt_HMARK.c:182:35: expected unsigned int const [usertype] *addr32 net/netfilter/xt_HMARK.c:182:35: got restricted __be32 *<noident> net/netfilter/xt_HMARK.c:261:16: warning: invalid assignment: &= net/netfilter/xt_HMARK.c:261:16: left side has type unsigned int net/netfilter/xt_HMARK.c:261:16: right side has type restricted __be32 net/netfilter/xt_HMARK.c:262:16: warning: invalid assignment: &= net/netfilter/xt_HMARK.c:262:16: left side has type unsigned int net/netfilter/xt_HMARK.c:262:16: right side has type restricted __be32 regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html