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commit1a0fad630eupstream. cryptd_skcipher_free() fails to free the struct skcipher_instance allocated in cryptd_create_skcipher(), leading to a memory leak. This is detected by kmemleak on bootup on ARM64 platforms: unreferenced object 0xffff80003377b180 (size 1024): comm "cryptomgr_probe", pid 822, jiffies 4294894830 (age 52.760s) backtrace: kmem_cache_alloc_trace+0x270/0x2d0 cryptd_create+0x990/0x124c cryptomgr_probe+0x5c/0x1e8 kthread+0x258/0x318 ret_from_fork+0x10/0x1c Fixes:4e0958d19b("crypto: cryptd - Add support for skcipher") Cc: <stable@vger.kernel.org> Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.