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| author | Pavel Shilovsky <pshilov@microsoft.com> | 2016-11-04 11:50:31 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-07-04 11:50:59 +0200 |
| commit | 0990b910b24d86af1aac3183f882f70574642f62 (patch) | |
| tree | a36e8504ec6afc3866922d2483f9a83e710dac8a /include/linux/stringify.h | |
| parent | 6994aeb682095bd0e8593541d8351bdf7ae987d3 (diff) | |
CIFS: Fix a possible memory corruption during reconnect
commit 53e0e11efe9289535b060a51d4cf37c25e0d0f2b upstream.
We can not unlock/lock cifs_tcp_ses_lock while walking through ses
and tcon lists because it can corrupt list iterator pointers and
a tcon structure can be released if we don't hold an extra reference.
Fix it by moving a reconnect process to a separate delayed work
and acquiring a reference to every tcon that needs to be reconnected.
Also do not send an echo request on newly established connections.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'include/linux/stringify.h')
0 files changed, 0 insertions, 0 deletions