net/mlx5: FPGA, tls, idr remove on flow delete

Browse source

Flow is kfreed on mlx5_fpga_tls_del_flow but kept in the idr data
structure, this is risky and can cause use-after-free, since the
idr_remove is delayed until tls_send_teardown_cmd completion.

Instead of delaying idr_remove, in this patch we do it on
mlx5_fpga_tls_del_flow, before actually kfree(flow).

Added synchronize_rcu before kfree(flow)

Fixes: ab412e1dd7 ("net/mlx5: Accel, add TLS rx offload routines")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

...

This commit is contained in:

Saeed Mahameed 2019-03-19 01:05:41 -07:00

parent 31634bf5dc

commit df3a8344d4

1 changed files with 15 additions and 28 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

43

drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c

View file