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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-22 22:45:42 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-22 23:31:05 -0500 |
| commit | 9b40bc90abd126bcc5da5658059b8e72e285e559 (patch) | |
| tree | b360cf7d9cf1f7e29f5f6b9c0193fbd1a75334a6 /fs/read_write.c | |
| parent | 3a142ed962958d3063f648738a3384ab90017100 (diff) | |
| download | linux-9b40bc90abd126bcc5da5658059b8e72e285e559.tar.bz2 | |
get rid of unprotected dereferencing of mnt->mnt_ns
It's safe only under namespace_sem or vfsmount_lock; all places
in fs/namespace.c that want mnt->mnt_ns->user_ns actually want to use
current->nsproxy->mnt_ns->user_ns (note the calls of check_mnt() in
there).
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/read_write.c')
0 files changed, 0 insertions, 0 deletions