diff options
author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2023-03-28 20:05:16 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-11 12:08:23 +0200 |
commit | ccc6de4d4f3466fb70f17aea4e41b43742b6a979 (patch) | |
tree | 05f9b034079eb5ec801a776f2c1ae08d7622e62f /fs/ntfs3 | |
parent | 33d9490b27e5d8da4444aefd714a4f50189db978 (diff) | |
download | linux-ccc6de4d4f3466fb70f17aea4e41b43742b6a979.tar.gz |
fs/ntfs3: Use __GFP_NOWARN allocation at ntfs_load_attr_list()
commit ea303f72d70ce2f0b0aa94ab127085289768c5a6 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ntfs3')
-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; |