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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-09 01:42:50 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-08-09 01:42:50 +0200 |
| commit | a194625ef31f0c33afae9b53e2dfaa17c2517606 (patch) | |
| tree | 19605f12524ac535a3086297f4db05b6aec85445 /sysdeps | |
| parent | bf79a337ec86c2530edd26f4270f9688bf428ea2 (diff) | |
| download | glibc-a194625ef31f0c33afae9b53e2dfaa17c2517606.tar.gz glibc-a194625ef31f0c33afae9b53e2dfaa17c2517606.tar.xz glibc-a194625ef31f0c33afae9b53e2dfaa17c2517606.zip | |
Fix recvmsg returning SIGLOST on PF_LOCAL sockets
when msg_name is not NULL. * sysdeps/mach/hurd/recvmsg.c (__libc_recvmsg): Cope with aport being MACH_PORT_NULL.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/mach/hurd/recvmsg.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/recvmsg.c b/sysdeps/mach/hurd/recvmsg.c index 770a42e05e..51cfbd7cdb 100644 --- a/sysdeps/mach/hurd/recvmsg.c +++ b/sysdeps/mach/hurd/recvmsg.c @@ -64,7 +64,7 @@ __libc_recvmsg (int fd, struct msghdr *message, int flags) &message->msg_flags, amount))) return __hurd_sockfail (fd, flags, err); - if (message->msg_name != NULL) + if (message->msg_name != NULL && aport != MACH_PORT_NULL) { char *buf = message->msg_name; mach_msg_type_number_t buflen = message->msg_namelen; @@ -98,6 +98,8 @@ __libc_recvmsg (int fd, struct msghdr *message, int flags) if (buflen > 0) ((struct sockaddr *) message->msg_name)->sa_family = type; } + else if (message->msg_name != NULL) + message->msg_namelen = 0; __mach_port_deallocate (__mach_task_self (), aport); |