Patch "fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr()" has been added to the 6.5-stable tree

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This is a note to let you know that I've just added the patch titled

    fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr()

to the 6.5-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     fs-ntfs3-fix-possible-null-ptr-deref-in-ni_readpage_.patch
and it can be found in the queue-6.5 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 252fc9734eb77947243a701d441831f3522df159
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date:   Tue Sep 26 11:19:08 2023 +0300

    fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr()
    
    [ Upstream commit 32e9212256b88f35466642f9c939bb40cfb2c2de ]
    
    Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 8f34d6472ddbd..05fb3dbe39076 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -2148,7 +2148,7 @@ int ni_readpage_cmpr(struct ntfs_inode *ni, struct page *page)
 
 	for (i = 0; i < pages_per_frame; i++) {
 		pg = pages[i];
-		if (i == idx)
+		if (i == idx || !pg)
 			continue;
 		unlock_page(pg);
 		put_page(pg);



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