Trond Myklebust 43c1031f71 NFSv4.2: Fix a memory stomp in decode_attr_security_label ...

We must not change the value of label->len if it is zero, since that
indicates we stored a label.

Fixes: b4487b9354 ("nfs: Fix getxattr kernel panic and memory overflow")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

2022-11-27 22:09:59 -05:00

201 KiB

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