From: Lorenzo Colitti <lore...@google.com>
Date: Sat, 7 Jul 2018 16:31:40 +0900
> When tcp_diag_destroy closes a TCP_NEW_SYN_RECV socket, it first
> frees it by calling inet_csk_reqsk_queue_drop_and_and_put in
> tcp_abort, and then frees it again by calling sock_gen_put.
>
> Since tcp_abort only has one caller, and all the other codepaths
> in tcp_abort don't free the socket, just remove the free in that
> function.
>
> Cc: David Ahern <d...@cumulusnetworks.com>
> Tested: passes Android sock_diag_test.py, which exercises this codepath
> Fixes: d7226c7a4dd1 ("net: diag: Fix refcnt leak in error path destroying
> socket")
> Signed-off-by: Lorenzo Colitti <lore...@google.com>
Applied and queued up for -stable, thanks!
