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Merge tag 'for-linus-2020-06-24' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

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Pull thread fix from Christian Brauner:
 "This fixes a regression introduced with 303cc571d1 ("nsproxy: attach
  to namespaces via pidfds").

  The LTP testsuite reported a regression where users would now see
  EBADF returned instead of EINVAL when an fd was passed that referred
  to an open file but the file was not a namespace file.

  Fix this by continuing to report EINVAL and add a regression test"

* tag 'for-linus-2020-06-24' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  tests: test for setns() EINVAL regression
  nsproxy: restore EINVAL for non-namespace file descriptor
This commit is contained in:
Linus Torvalds
2020-06-24 14:19:45 -07:00
parent 26e122e97a 86f56395fe
commit fbb58011fd
4 changed files with 18 additions and 6 deletions
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2
kernel/nsproxy.c
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@@ -531,7 +531,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, flags)
} else if (!IS_ERR(pidfd_pid(file))) {
err = check_setns_flags(flags);
} else {
err = -EBADF;
err = -EINVAL;
}
if (err)
goto out;