pkt parameter may be unaligned, so we must access it byte-wise. This fixes sparc64 host SIGBUS during pxe boot.
Signed-off-by: Samuel Thibault <samuel.thiba...@ens-lyon.org> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> --- slirp/slirp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/slirp/slirp.c b/slirp/slirp.c index a9674ab090..739f364770 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -829,7 +829,7 @@ void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) if (pkt_len < ETH_HLEN) return; - proto = ntohs(*(uint16_t *)(pkt + 12)); + proto = (((uint16_t) pkt[12]) << 8) + pkt[13]; switch(proto) { case ETH_P_ARP: arp_input(slirp, pkt, pkt_len); -- 2.20.1