[v2,3/4] hurd: Only deallocate addrport when it's valid

Message ID 20230423160548.126576-3-bugaevc@gmail.com
State Committed, archived
Headers
Series [v2,1/4] hurd: Don't pass FD_CLOEXEC in CMSG_DATA |

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent

Commit Message

Sergey Bugaev April 23, 2023, 4:05 p.m. UTC
  Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
---
 sysdeps/mach/hurd/recv.c     | 3 ++-
 sysdeps/mach/hurd/recvfrom.c | 3 ++-
 sysdeps/mach/hurd/recvmsg.c  | 3 ++-
 sysdeps/mach/hurd/sendmsg.c  | 5 +++--
 sysdeps/mach/hurd/sendto.c   | 2 +-
 5 files changed, 10 insertions(+), 6 deletions(-)
  

Comments

Samuel Thibault April 24, 2023, 8:44 p.m. UTC | #1
Applied, thanks!

Sergey Bugaev, le dim. 23 avril 2023 19:05:47 +0300, a ecrit:
> Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
> ---
>  sysdeps/mach/hurd/recv.c     | 3 ++-
>  sysdeps/mach/hurd/recvfrom.c | 3 ++-
>  sysdeps/mach/hurd/recvmsg.c  | 3 ++-
>  sysdeps/mach/hurd/sendmsg.c  | 5 +++--
>  sysdeps/mach/hurd/sendto.c   | 2 +-
>  5 files changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/sysdeps/mach/hurd/recv.c b/sysdeps/mach/hurd/recv.c
> index 3bd5c16f..1783e38d 100644
> --- a/sysdeps/mach/hurd/recv.c
> +++ b/sysdeps/mach/hurd/recv.c
> @@ -54,7 +54,8 @@ __recv (int fd, void *buf, size_t n, int flags)
>    if (err)
>      return __hurd_sockfail (fd, flags, err);
>  
> -  __mach_port_deallocate (__mach_task_self (), addrport);
> +  if (MACH_PORT_VALID (addrport))
> +    __mach_port_deallocate (__mach_task_self (), addrport);
>    __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
>  
>    if (bufp != buf)
> diff --git a/sysdeps/mach/hurd/recvfrom.c b/sysdeps/mach/hurd/recvfrom.c
> index 1cd5f917..6f2c927a 100644
> --- a/sysdeps/mach/hurd/recvfrom.c
> +++ b/sysdeps/mach/hurd/recvfrom.c
> @@ -94,7 +94,8 @@ __recvfrom (int fd, void *buf, size_t n, int flags, __SOCKADDR_ARG addrarg,
>    else if (addr_len != NULL)
>      *addr_len = 0;
>  
> -  __mach_port_deallocate (__mach_task_self (), addrport);
> +  if (MACH_PORT_VALID (addrport))
> +    __mach_port_deallocate (__mach_task_self (), addrport);
>  
>    /* Toss control data; we don't care.  */
>    __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
> diff --git a/sysdeps/mach/hurd/recvmsg.c b/sysdeps/mach/hurd/recvmsg.c
> index 9a37a053..9cf3de48 100644
> --- a/sysdeps/mach/hurd/recvmsg.c
> +++ b/sysdeps/mach/hurd/recvmsg.c
> @@ -135,7 +135,8 @@ __libc_recvmsg (int fd, struct msghdr *message, int flags)
>    else if (message->msg_name != NULL)
>      message->msg_namelen = 0;
>  
> -  __mach_port_deallocate (__mach_task_self (), aport);
> +  if (MACH_PORT_VALID (aport))
> +    __mach_port_deallocate (__mach_task_self (), aport);
>  
>    if (buf == data)
>      buf += len;
> diff --git a/sysdeps/mach/hurd/sendmsg.c b/sysdeps/mach/hurd/sendmsg.c
> index 2f19797b..f9ad7699 100644
> --- a/sysdeps/mach/hurd/sendmsg.c
> +++ b/sysdeps/mach/hurd/sendmsg.c
> @@ -198,8 +198,9 @@ __libc_sendmsg (int fd, const struct msghdr *message, int flags)
>  						   message->msg_controllen,
>  						   &amount);
>  			      LIBC_CANCEL_RESET (cancel_oldtype);
> -			      __mach_port_deallocate (__mach_task_self (),
> -						      aport);
> +			      if (MACH_PORT_VALID (aport))
> +				__mach_port_deallocate (__mach_task_self (),
> +							aport);
>  			    }
>  			  err;
>  			}));
> diff --git a/sysdeps/mach/hurd/sendto.c b/sysdeps/mach/hurd/sendto.c
> index 5a960de8..777af1c4 100644
> --- a/sysdeps/mach/hurd/sendto.c
> +++ b/sysdeps/mach/hurd/sendto.c
> @@ -94,7 +94,7 @@ __sendto (int fd,
>  			  err;
>  			}));
>  
> -  if (aport != MACH_PORT_NULL)
> +  if (MACH_PORT_VALID (aport))
>      __mach_port_deallocate (__mach_task_self (), aport);
>  
>    return err ? __hurd_sockfail (fd, flags, err) : wrote;
> -- 
> 2.40.0
>
  

Patch

diff --git a/sysdeps/mach/hurd/recv.c b/sysdeps/mach/hurd/recv.c
index 3bd5c16f..1783e38d 100644
--- a/sysdeps/mach/hurd/recv.c
+++ b/sysdeps/mach/hurd/recv.c
@@ -54,7 +54,8 @@  __recv (int fd, void *buf, size_t n, int flags)
   if (err)
     return __hurd_sockfail (fd, flags, err);
 
-  __mach_port_deallocate (__mach_task_self (), addrport);
+  if (MACH_PORT_VALID (addrport))
+    __mach_port_deallocate (__mach_task_self (), addrport);
   __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
 
   if (bufp != buf)
diff --git a/sysdeps/mach/hurd/recvfrom.c b/sysdeps/mach/hurd/recvfrom.c
index 1cd5f917..6f2c927a 100644
--- a/sysdeps/mach/hurd/recvfrom.c
+++ b/sysdeps/mach/hurd/recvfrom.c
@@ -94,7 +94,8 @@  __recvfrom (int fd, void *buf, size_t n, int flags, __SOCKADDR_ARG addrarg,
   else if (addr_len != NULL)
     *addr_len = 0;
 
-  __mach_port_deallocate (__mach_task_self (), addrport);
+  if (MACH_PORT_VALID (addrport))
+    __mach_port_deallocate (__mach_task_self (), addrport);
 
   /* Toss control data; we don't care.  */
   __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
diff --git a/sysdeps/mach/hurd/recvmsg.c b/sysdeps/mach/hurd/recvmsg.c
index 9a37a053..9cf3de48 100644
--- a/sysdeps/mach/hurd/recvmsg.c
+++ b/sysdeps/mach/hurd/recvmsg.c
@@ -135,7 +135,8 @@  __libc_recvmsg (int fd, struct msghdr *message, int flags)
   else if (message->msg_name != NULL)
     message->msg_namelen = 0;
 
-  __mach_port_deallocate (__mach_task_self (), aport);
+  if (MACH_PORT_VALID (aport))
+    __mach_port_deallocate (__mach_task_self (), aport);
 
   if (buf == data)
     buf += len;
diff --git a/sysdeps/mach/hurd/sendmsg.c b/sysdeps/mach/hurd/sendmsg.c
index 2f19797b..f9ad7699 100644
--- a/sysdeps/mach/hurd/sendmsg.c
+++ b/sysdeps/mach/hurd/sendmsg.c
@@ -198,8 +198,9 @@  __libc_sendmsg (int fd, const struct msghdr *message, int flags)
 						   message->msg_controllen,
 						   &amount);
 			      LIBC_CANCEL_RESET (cancel_oldtype);
-			      __mach_port_deallocate (__mach_task_self (),
-						      aport);
+			      if (MACH_PORT_VALID (aport))
+				__mach_port_deallocate (__mach_task_self (),
+							aport);
 			    }
 			  err;
 			}));
diff --git a/sysdeps/mach/hurd/sendto.c b/sysdeps/mach/hurd/sendto.c
index 5a960de8..777af1c4 100644
--- a/sysdeps/mach/hurd/sendto.c
+++ b/sysdeps/mach/hurd/sendto.c
@@ -94,7 +94,7 @@  __sendto (int fd,
 			  err;
 			}));
 
-  if (aport != MACH_PORT_NULL)
+  if (MACH_PORT_VALID (aport))
     __mach_port_deallocate (__mach_task_self (), aport);
 
   return err ? __hurd_sockfail (fd, flags, err) : wrote;