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Merge tag 'vfs-6.15-rc1.nsfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

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Pull vfs nsfs updates from Christian Brauner:
 "This contains non-urgent fixes for nsfs to validate ioctls before
  performing any relevant operations.

  We alredy did this for a few other filesystems last cycle"

* tag 'vfs-6.15-rc1.nsfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
  selftests/nsfs: add ioctl validation tests
  nsfs: validate ioctls
This commit is contained in:
Linus Torvalds
2025-03-24 11:38:12 -07:00
parent aaca83f7b1 58c6cbd97c
commit 74adf9e353
2 changed files with 45 additions and 1 deletions
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14
tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
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@@ -3,6 +3,8 @@
#define _GNU_SOURCE
#include <fcntl.h>
#include <linux/auto_dev-ioctl.h>
#include <linux/errno.h>
#include <sched.h>
#include <stdio.h>
#include <string.h>
@@ -146,4 +148,16 @@ TEST_F(iterate_mount_namespaces, iterate_backward)
}
}
TEST_F(iterate_mount_namespaces, nfs_valid_ioctl)
{
ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_OPENMOUNT, NULL), 0);
ASSERT_EQ(errno, ENOTTY);
ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_CLOSEMOUNT, NULL), 0);
ASSERT_EQ(errno, ENOTTY);
ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_READY, NULL), 0);
ASSERT_EQ(errno, ENOTTY);
}
TEST_HARNESS_MAIN