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| author | Norbert Slusarek <nslusarek@gmx.net> | 2021-02-05 15:14:05 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-07 02:03:31 +0300 |
| commit | 3d0bc44d39bca615b72637e340317b7899b7f911 (patch) | |
| tree | 406396f7f0faf47889c6c7c37b77029dc0e6fd31 /net/vmw_vsock/vmci_transport_notify.h | |
| parent | 5d1cbcc990f18edaddddef26677073c4e6fad7b7 (diff) | |
| download | linux-3d0bc44d39bca615b72637e340317b7899b7f911.tar.xz | |
net/vmw_vsock: improve locking in vsock_connect_timeout()
A possible locking issue in vsock_connect_timeout() was recognized by
Eric Dumazet which might cause a null pointer dereference in
vsock_transport_cancel_pkt(). This patch assures that
vsock_transport_cancel_pkt() will be called within the lock, so a race
condition won't occur which could result in vsk->transport to be set to NULL.
Fixes: 380feae0def7 ("vsock: cancel packets when failing to connect")
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Norbert Slusarek <nslusarek@gmx.net>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/trinity-f8e0937a-cf0e-4d80-a76e-d9a958ba3ef1-1612535522360@3c-app-gmx-bap12
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/vmw_vsock/vmci_transport_notify.h')
0 files changed, 0 insertions, 0 deletions