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| author | Tuong Lien <tuong.t.lien@dektech.com.au> | 2020-08-29 21:37:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-31 04:12:17 +0200 |
| commit | bb8872a1e6bc911869a729240781076ed950764b (patch) | |
| tree | 756ac8e2ce412fae24aeedb018ee8ba5871d22c0 /crypto/blowfish_common.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf (diff) | |
| download | linux-bb8872a1e6bc911869a729240781076ed950764b.tar.xz linux-bb8872a1e6bc911869a729240781076ed950764b.zip | |
tipc: fix using smp_processor_id() in preemptible
The 'this_cpu_ptr()' is used to obtain the AEAD key' TFM on the current
CPU for encryption, however the execution can be preemptible since it's
actually user-space context, so the 'using smp_processor_id() in
preemptible' has been observed.
We fix the issue by using the 'get/put_cpu_ptr()' API which consists of
a 'preempt_disable()' instead.
Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/blowfish_common.c')
0 files changed, 0 insertions, 0 deletions