From: William Bowling <w...@wbowling.info>
When emulating ident in tcp_emu, if the strchr checks passed but the
sscanf check failed, two uninitialized variables would be copied and
sent in the reply, so move this code inside the if(sscanf()) clause.
Signed-off-by: William Bowling <w...@wbowling.info>
Cc: qemu-sta...@nongnu.org
Cc: secal...@redhat.com
Message-Id: <1551476756-25749-1-git-send-email-w...@wbowling.info>
Signed-off-by: Samuel Thibault <samuel.thiba...@ens-lyon.org>
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
---
slirp/tcp_subr.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index 262a42d6c8..ef9d99c154 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -664,12 +664,12 @@ tcp_emu(struct socket *so, struct mbuf *m)
break;
}
}
+ so_rcv->sb_cc =
snprintf(so_rcv->sb_data,
+
so_rcv->sb_datalen,
+ "%d,%d\r\n",
n1, n2);
+ so_rcv->sb_rptr = so_rcv->sb_data;
+ so_rcv->sb_wptr = so_rcv->sb_data +
so_rcv->sb_cc;
}
- so_rcv->sb_cc = snprintf(so_rcv->sb_data,
- so_rcv->sb_datalen,
- "%d,%d\r\n", n1, n2);
- so_rcv->sb_rptr = so_rcv->sb_data;
- so_rcv->sb_wptr = so_rcv->sb_data +
so_rcv->sb_cc;
}
m_free(m);
return 0;
--
2.20.1
