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NFSD: Cap the number of bytes copied by nfs4_reset_recoverydir()
authorChuck Lever <chuck.lever@oracle.com>
Thu, 17 Oct 2024 15:03:56 +0000 (11:03 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 14 Dec 2024 18:51:07 +0000 (19:51 +0100)
commitd7892d68ee3c9d38d40eb4cd9ca62158f006cebe
treebf255bfa2ea2c0a159ac59cc3303e61129aa2c4ftree
parentc5d90f9302742985a5078e42ac38de42c364c44acommit | diff
NFSD: Cap the number of bytes copied by nfs4_reset_recoverydir()

[ Upstream commit f64ea4af43161bb86ffc77e6aeb5bcf5c3229df0 ]

It's only current caller already length-checks the string, but let's
be safe.

Fixes: 0964a3d3f1aa ("[PATCH] knfsd: nfsd4 reboot dirname fix")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfsd/nfs4recover.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git