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

[Samuel Thibault]

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
> 

-- 
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.