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(parent: 926028a) | patch
cifs: Use after free in debug code
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 18 Nov 2022 11:48:00 +0000 (14:48 +0300)
committerSteve French <stfrench@microsoft.com>
Sat, 19 Nov 2022 20:27:37 +0000 (14:27 -0600)
commitf391d6ee002ea022c62dc0b09d0578f3ccce81be
tree4cacff0724b6df3f5e6c68b4d240d8321b6b0ae8tree | snapshot
parent926028aaa3827554096d42ffb0c2973bc7f5e80fcommit | diff
cifs: Use after free in debug code

This debug code dereferences "old_iface" after it was already freed by
the call to release_iface().  Re-order the debugging to avoid this
issue.

Fixes: b54034a73baf ("cifs: during reconnect, update interface if necessary")
Cc: stable@vger.kernel.org # 5.19+
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/sess.c diff | blob | history
Domain: System / Kernel;