[merged mm-hotfixes-stable] nilfs2-initialize-struct-nilfs_binfo_dat-bi_pad-field.patch removed from -mm tree

[merged mm-hotfixes-stable] nilfs2-initialize-struct-nilfs_binfo_dat-bi_pad-field.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
has been removed from the -mm tree.  Its filename was
     nilfs2-initialize-struct-nilfs_binfo_dat-bi_pad-field.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Subject: nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
Date: Mon, 27 Mar 2023 00:21:46 +0900

nilfs_btree_assign_p() and nilfs_direct_assign_p() are not initializing
"struct nilfs_binfo_dat"->bi_pad field, causing uninit-value reports when
being passed to CRC function.

Link: https://lkml.kernel.org/r/20230326152146.15872-1-konishi.ryusuke@gmail.com
Reported-by: syzbot <syzbot+048585f3f4227bb2b49b@syzkaller.appspotmail.com>
  Link: https://syzkaller.appspot.com/bug?extid=048585f3f4227bb2b49b
Reported-by: Dipanjan Das <mail.dipanjan.das@gmail.com>
  Link: https://lkml.kernel.org/r/CANX2M5bVbzRi6zH3PTcNE_31TzerstOXUa9Bay4E6y6dX23_pg@mail.gmail.com
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/nilfs2/btree.c  |    1 +
 fs/nilfs2/direct.c |    1 +
 2 files changed, 2 insertions(+)

--- a/fs/nilfs2/btree.c~nilfs2-initialize-struct-nilfs_binfo_dat-bi_pad-field
+++ a/fs/nilfs2/btree.c
@@ -2219,6 +2219,7 @@ static int nilfs_btree_assign_p(struct n
 	/* on-disk format */
 	binfo->bi_dat.bi_blkoff = cpu_to_le64(key);
 	binfo->bi_dat.bi_level = level;
+	memset(binfo->bi_dat.bi_pad, 0, sizeof(binfo->bi_dat.bi_pad));
 
 	return 0;
 }
--- a/fs/nilfs2/direct.c~nilfs2-initialize-struct-nilfs_binfo_dat-bi_pad-field
+++ a/fs/nilfs2/direct.c
@@ -314,6 +314,7 @@ static int nilfs_direct_assign_p(struct
 
 	binfo->bi_dat.bi_blkoff = cpu_to_le64(key);
 	binfo->bi_dat.bi_level = 0;
+	memset(binfo->bi_dat.bi_pad, 0, sizeof(binfo->bi_dat.bi_pad));
 
 	return 0;
 }
_

Patches currently in -mm which might be from penguin-kernel@I-love.SAKURA.ne.jp are

mm-page_alloc-fix-potential-deadlock-on-zonelist_update_seq-seqlock.patch