diff options
| author | Sjur Brændeland <sjur.brandeland@stericsson.com> | 2012-07-15 10:10:14 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-16 23:06:20 -0700 |
| commit | 96f80d123eff05c3cd4701463786b87952a6c3ac (patch) | |
| tree | 92503024242249886dc4533b5f9aaeb081c2b296 /Kbuild | |
| parent | ef209f15980360f6945873df3cd710c5f62f2a3e (diff) | |
caif: Fix access to freed pernet memory
unregister_netdevice_notifier() must be called before
unregister_pernet_subsys() to avoid accessing already freed
pernet memory. This fixes the following oops when doing rmmod:
Call Trace:
[<ffffffffa0f802bd>] caif_device_notify+0x4d/0x5a0 [caif]
[<ffffffff81552ba9>] unregister_netdevice_notifier+0xb9/0x100
[<ffffffffa0f86dcc>] caif_device_exit+0x1c/0x250 [caif]
[<ffffffff810e7734>] sys_delete_module+0x1a4/0x300
[<ffffffff810da82d>] ? trace_hardirqs_on_caller+0x15d/0x1e0
[<ffffffff813517de>] ? trace_hardirqs_on_thunk+0x3a/0x3
[<ffffffff81696bad>] system_call_fastpath+0x1a/0x1f
RIP
[<ffffffffa0f7f561>] caif_get+0x51/0xb0 [caif]
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions