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| author |   Andreas Dilger <adilger@dilger.ca> | 2012-05-28 17:02:25 -0400 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2012-05-28 17:02:25 -0400 |
| commit | 7e936b737211e6b54e34b71a827e56b872e958d8 (patch) | |
| tree | aca4b57eb1982d2cd21bcaa0cbabc45500f97026 /fs/compat.c | |
| parent | ext4: fix potential integer overflow in alloc_flex_gd() (diff) | |
| download | linux-dev-7e936b737211e6b54e34b71a827e56b872e958d8.tar.xz linux-dev-7e936b737211e6b54e34b71a827e56b872e958d8.zip | |
ext4: disallow hard-linked directory in ext4_lookup
A hard-linked directory to its parent can cause the VFS to deadlock,
and is a sign of a corrupted file system. So detect this case in
ext4_lookup(), before the rmdir() lockup scenario can take place.
Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
Diffstat (limited to 'fs/compat.c')
0 files changed, 0 insertions, 0 deletions