linux/net/tls
Maxim Mikityanskiy 025cc2fb6a net/tls: Protect from calling tls_dev_del for TLS RX twice
tls_device_offload_cleanup_rx doesn't clear tls_ctx->netdev after
calling tls_dev_del if TLX TX offload is also enabled. Clearing
tls_ctx->netdev gets postponed until tls_device_gc_task. It leaves a
time frame when tls_device_down may get called and call tls_dev_del for
RX one extra time, confusing the driver, which may lead to a crash.

This patch corrects this racy behavior by adding a flag to prevent
tls_device_down from calling tls_dev_del the second time.

Fixes: e8f6979981 ("net/tls: Add generic NIC offload infrastructure")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20201125221810.69870-1-saeedm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-25 17:31:06 -08:00
..
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile net/tls: add skeleton of MIB statistics 2019-10-05 16:29:00 -07:00
tls_device_fallback.c net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
tls_device.c net/tls: Protect from calling tls_dev_del for TLS RX twice 2020-11-25 17:31:06 -08:00
tls_main.c net/tls: use semicolons rather than commas to separate statements 2020-10-13 17:11:52 -07:00
tls_proc.c net/tls: Fix unused function warning 2019-11-15 12:12:28 -08:00
tls_sw.c net/tls: missing received data after fast remote close 2020-11-20 10:25:26 -08:00
tls_toe.c net/tls: rename tls_hw_* functions tls_toe_* 2019-10-04 14:07:07 -07:00
trace.c net/tls: add tracing for device/offload events 2019-10-05 16:29:00 -07:00
trace.h net/tls: add device decrypted trace point 2019-10-05 16:29:00 -07:00