GNU bug report logs - #10305
coreutils-8.14, "rm -r" fails with EBADF

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From: "Joachim Schmitz" <jojo <at> schmitz-digital.de>
To: "'Paul Eggert'" <eggert <at> cs.ucla.edu>
Cc: 10305 <at> debbugs.gnu.org, bug-gnulib <at> gnu.org, 'Eric Blake' <eblake <at> redhat.com>, 'Jim Meyering' <jim <at> meyering.net>
Subject: bug#10305: coreutils-8.14, "rm -r" fails with EBADF
Date: Fri, 16 Dec 2011 22:21:58 +0100

> From: Paul Eggert [mailto:eggert <at> cs.ucla.edu]
> Sent: Friday, December 16, 2011 7:47 PM
> To: Joachim Schmitz
> Cc: 'Eric Blake'; 'Jim Meyering'; 10305 <at> debbugs.gnu.org; bug-gnulib <at> gnu.org
> Subject: Re: bug#10305: coreutils-8.14, "rm -r" fails with EBADF
> 
> On 12/16/11 05:46, Joachim Schmitz wrote:
> > It is not O_NOCTTY or O_NONBLOCK and the others (O_SEARCH,
> > O_DIRECTORY, O_NOFOLLOW, O_NOATIME) don't exist here.
> 
> It could be the FD_CLOEXEC, perhaps.  What does the following do?
> Try it standalone, and also try it compiled and linked against gnulib.
> 
> 
> #include <fcntl.h>
> #include <unistd.h>
> #include <stdio.h>
> 
> int main (void)
> {
>   int fd, r, fd2;
>   fd = open (".", O_RDONLY | O_NOCTTY | O_NONBLOCK);
>   if (fd < 0)
>     return perror ("open"), 1;
>   r = fcntl (fd, F_SETFD, FD_CLOEXEC);
>   if (r < 0)
>     return perror ("F_SETFD"), 1;
>   fd2 = dup (fd);
>   if (fd2 < 0)
>     return perror ("dup"), 1;
>   return 0;
> }

The standalone version works just fine.

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