diff options
| author | Yuejie Shi <syjcnss@gmail.com> | 2017-03-31 15:10:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-06 18:59:39 -0700 |
| commit | 0f94b36de37c73bdb3affe7352acac819082d360 (patch) | |
| tree | 59357393d8f6ccddce04e6fd75757867ab0d5f95 /fs | |
| parent | efcfbfb1d8bf756d1b58fe215bf4e419d176435b (diff) | |
af_key: Add lock to key dump
commit 89e357d83c06b6fac581c3ca7f0ee3ae7e67109e upstream.
A dump may come in the middle of another dump, modifying its dump
structure members. This race condition will result in NULL pointer
dereference in kernel. So add a lock to prevent that race.
Fixes: 83321d6b9872 ("[AF_KEY]: Dump SA/SP entries non-atomically")
Signed-off-by: Yuejie Shi <syjcnss@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions