[libvirt] [PATCH] Fix F_DUPFD_CLOEXEC operation args

Cole Robinson crobinso at redhat.com
Tue Jun 11 15:20:11 UTC 2013


On 06/11/2013 10:51 AM, Paolo Bonzini wrote:
> Il 03/05/2013 06:12, Daniel P. Berrange ha scritto:
>> From: "Daniel P. Berrange" <berrange at redhat.com>
>>
>> The F_DUPFD_CLOEXEC operation with fcntl() expects a single
>> int argument, specifying the minimum FD number for the newly
>> dup'd file descriptor. We were not specifying that causing
>> random stack data to be accessed as the FD number. Sometimes
>> that worked, sometimes it didn't.
>>
>> Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
>> ---
>>  src/rpc/virnetsocket.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/rpc/virnetsocket.c b/src/rpc/virnetsocket.c
>> index e950d7f..dcf98b1 100644
>> --- a/src/rpc/virnetsocket.c
>> +++ b/src/rpc/virnetsocket.c
>> @@ -1055,7 +1055,7 @@ int virNetSocketDupFD(virNetSocketPtr sock, bool cloexec)
>>      int fd;
>>  
>>      if (cloexec)
>> -        fd = fcntl(sock->fd, F_DUPFD_CLOEXEC);
>> +        fd = fcntl(sock->fd, F_DUPFD_CLOEXEC, 0);
>>      else
>>          fd = dup(sock->fd);
>>      if (fd < 0) {
>>
> 
> Hi Cole,
> 
> can you add this to 1.0.5-maint please?
> 

As mentioned on IRC, looks like this is already in 1.0.5-maint and was
released in 1.0.5.1

- Cole




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