From 05a15f8c43e7a167983f19bd866b90158661703e Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sun, 5 Jan 2020 01:32:49 +0100 Subject: lwip,pfinet: Fix crash on make_sock_user getting EINTR _ports_create_port_internal may return EINTR. * lwip/port-objs.c (make_sock_user): Set errno when ports_create_port returns an error. * pfinet/socket.c (make_sock_user): Likewise. * lwip/io-ops.c (lwip_S_io_reauthenticate): Loop while make_sock_user errors with EINTR. * pfinet/io-ops.c (S_io_reauthenticate): Likewise. --- lwip/io-ops.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'lwip/io-ops.c') diff --git a/lwip/io-ops.c b/lwip/io-ops.c index 89d596a4..2e666ab2 100644 --- a/lwip/io-ops.c +++ b/lwip/io-ops.c @@ -317,7 +317,11 @@ lwip_S_io_reauthenticate (struct sock_user * user, mach_port_t rend) aux_uids = aubuf; aux_gids = agbuf; - newuser = make_sock_user (user->sock, 0, 1, 0); + do + newuser = make_sock_user (user->sock, 0, 1, 0); + while (!newuser && errno == EINTR); + if (!newuser) + return 0; auth = getauth (); newright = ports_get_send_right (newuser); -- cgit v1.2.3