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Message-Id: <20170602.143906.818489457650113258.davem@davemloft.net> Date: Fri, 02 Jun 2017 14:39:06 -0400 (EDT) From: David Miller <davem@...emloft.net> To: darrick.wong@...cle.com Cc: herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org, sparclinux@...r.kernel.org, linux-btrfs@...r.kernel.org, clm@...com, jbacik@...com, dsterba@...e.com, matorola@...il.com, sandeen@...deen.net, linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: crypto: Work around deallocated stack frame reference gcc bug on sparc. From: "Darrick J. Wong" <darrick.wong@...cle.com> Date: Fri, 2 Jun 2017 11:08:08 -0700 > ext4/jbd2's crc32c implementations will also need a fix like this for > {ext4,jbd2}_chksum. Note that both of these modules call the crypto api > directly to avoid a static dependence on libcrc32c; this was done to > reduce kernel footprint for applications that don't need it. (ext2, > ext3, and ext4 before the metadata_csum feature existed). Good catch. I even looked at that code the other day so should have spotted it as well. I'll integrate fixes for those into my patch when I get a chance, thanks!
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