NFSv4.2: Fix a potential double free with READ_PLUS

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commit 43439d858b upstream.

kfree()-ing the scratch page isn't enough, we also need to set the pointer
back to NULL to avoid a double-free in the case of a resend.

Fixes: fbd2a05f29 (NFSv4.2: Rework scratch handling for READ_PLUS)
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Anna Schumaker 2023-05-16 11:19:25 -04:00 • committed by Greg Kroah-Hartman

parent d9ece8c026

commit 7795634751

1 changed files with 10 additions and 2 deletions

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fs/nfs/nfs4proc.c

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