NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

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[ Upstream commit ef93a685e0 ]

The function needs to check the minimal filehandle length before it can
access the embedded filehandle.

Reported-by: zhangjian <zhangjian496@huawei.com>
Fixes: 20fa190272 ("nfs: add export operations")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Trond Myklebust 2025-07-22 09:24:58 -04:00 • committed by Greg Kroah-Hartman

parent 78382f219e

commit 763810bb88

1 changed files with 9 additions and 2 deletions

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fs/nfs/export.c

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