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linux/net/handshake
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Chuck Lever d74226e03d net/handshake: Fix handshake_req_destroy_test1 
[ Upstream commit 4e1d71cabb ]

Recently, handshake_req_destroy_test1 started failing:

Expected handshake_req_destroy_test == req, but
    handshake_req_destroy_test == 0000000000000000
    req == 0000000060f99b40
not ok 11 req_destroy works

This is because "sock_release(sock)" was replaced with "fput(filp)"
to address a memory leak. Note that sock_release() is synchronous
but fput() usually delays the final close and clean-up.

The delay is not consequential in the other cases that were changed
but handshake_req_destroy_test1 is testing that handshake_req_cancel()
followed by closing the file actually does call the ->hp_destroy
method. Thus the PTR_EQ test at the end has to be sure that the
final close is complete before it checks the pointer.

We cannot use a completion here because if ->hp_destroy is never
called (ie, there is an API bug) then the test will hang.

Reported by: Guenter Roeck <linux@roeck-us.net>
Closes: https://lore.kernel.org/netdev/ZcKDd1to4MPANCrn@tissot.1015granger.net/T/#mac5c6299f86799f1c71776f3a07f9c566c7c3c40
Fixes: 4a0f07d71b ("net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/170724699027.91401.7839730697326806733.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-02-23 09:24:50 +01:00
..
.kunitconfig net/handshake: Add Kunit tests for the handshake consumer API 2023-04-19 18:48:48 -07:00
alert.c net/handshake: Trace events for TLS Alert helpers 2023-07-28 14:07:59 -07:00
genl.c net: ynl: prefix uAPI header include with uapi/ 2023-05-26 10:30:14 +01:00
genl.h net: ynl: prefix uAPI header include with uapi/ 2023-05-26 10:30:14 +01:00
handshake-test.c net/handshake: Fix handshake_req_destroy_test1 2024-02-23 09:24:50 +01:00
handshake.h net/handshake: Add API for sending TLS Closure alerts 2023-07-28 14:07:59 -07:00
Makefile net/handshake: Add API for sending TLS Closure alerts 2023-07-28 14:07:59 -07:00
netlink.c net/handshake: fix file ref count in handshake_nl_accept_doit() 2023-10-23 10:19:33 -07:00
request.c net/handshake: remove fput() that causes use-after-free 2023-06-14 22:26:37 -07:00
tlshd.c net/handshake: Add API for sending TLS Closure alerts 2023-07-28 14:07:59 -07:00
trace.c net/handshake: Trace events for TLS Alert helpers 2023-07-28 14:07:59 -07:00