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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2023-03-28 20:05:16 +0900 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2023-07-03 00:21:23 +0400 |
| commit | ea303f72d70ce2f0b0aa94ab127085289768c5a6 (patch) | |
| tree | 0512ac780a43cb61960b8ac567ad5d7b13c2bf76 /fs/ntfs3/attrlist.c | |
| parent | 97498cd610c0d030a7bd49a7efad974790661162 (diff) | |
| download | linux-ea303f72d70ce2f0b0aa94ab127085289768c5a6.tar.gz linux-ea303f72d70ce2f0b0aa94ab127085289768c5a6.tar.bz2 linux-ea303f72d70ce2f0b0aa94ab127085289768c5a6.zip | |
fs/ntfs3: Use __GFP_NOWARN allocation at ntfs_load_attr_list()
syzbot is reporting too large allocation at ntfs_load_attr_list(), for
a crafted filesystem can have huge data_size.
Reported-by: syzbot <syzbot+89dbb3a789a5b9711793@syzkaller.appspotmail.com>
Link: https://syzkaller.appspot.com/bug?extid=89dbb3a789a5b9711793
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Diffstat (limited to 'fs/ntfs3/attrlist.c')
| -rw-r--r-- | fs/ntfs3/attrlist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ntfs3/attrlist.c b/fs/ntfs3/attrlist.c index c0c6bcbc8c05..81c22df27c72 100644 --- a/fs/ntfs3/attrlist.c +++ b/fs/ntfs3/attrlist.c @@ -52,7 +52,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr) if (!attr->non_res) { lsize = le32_to_cpu(attr->res.data_size); - le = kmalloc(al_aligned(lsize), GFP_NOFS); + le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN); if (!le) { err = -ENOMEM; goto out; @@ -80,7 +80,7 @@ int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr) if (err < 0) goto out; - le = kmalloc(al_aligned(lsize), GFP_NOFS); + le = kmalloc(al_aligned(lsize), GFP_NOFS | __GFP_NOWARN); if (!le) { err = -ENOMEM; goto out; |