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vfs: Allow chroot if you have CAP_SYS_CHROOT in your user namespace

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Once you are confined to a user namespace applications can not gain
privilege and escape the user namespace so there is no longer a reason
to restrict chroot.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-07-31 01:14:12 -07:00
parent 50804fe373
commit a85fb273c9
1 changed files with 1 additions and 1 deletions
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2
fs/open.c
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@ -435,7 +435,7 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
goto dput_and_out;
error = -EPERM;
if (!capable(CAP_SYS_CHROOT))
if (!nsown_capable(CAP_SYS_CHROOT))
goto dput_and_out;
error = security_path_chroot(&path);
if (error)