diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2026-06-09 05:27:49 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2026-06-09 21:09:48 +0000 |
| commit | a248c5545f6fb861ea4200b69a58b2abcf815ce4 (patch) | |
| tree | 0b2438fbaba24c60952dc2adf3a6edefc4bf3bdc | |
| parent | 6bd97b5f3778aa36bcf89ff870bb1483b301a9be (diff) | |
connectat(2): do not enable EMPTYPATH for AT_FDCWD
This restores existing error code for connect(2) over unix domain socket
when the empty string is specified as socket address.
Reported by: eduardo
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D57509
| -rw-r--r-- | sys/kern/uipc_usrreq.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c index 920588627914..b28aed291895 100644 --- a/sys/kern/uipc_usrreq.c +++ b/sys/kern/uipc_usrreq.c @@ -2921,8 +2921,9 @@ unp_connectat(int fd, struct socket *so, struct sockaddr *nam, sa = malloc(sizeof(struct sockaddr_un), M_SONAME, M_WAITOK); else sa = NULL; - NDINIT_ATRIGHTS(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF | EMPTYPATH, - UIO_SYSSPACE, buf, fd, cap_rights_init_one(&rights, CAP_CONNECTAT)); + NDINIT_ATRIGHTS(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF | + (fd == AT_FDCWD ? 0 : EMPTYPATH), UIO_SYSSPACE, buf, fd, + cap_rights_init_one(&rights, CAP_CONNECTAT)); error = namei(&nd); if (error) vp = NULL; |