fs/ntfs3: Use __GFP_NOWARN allocation at ntfs_fill_super()

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[ Upstream commit 59bfd7a483 ]

syzbot is reporting too large allocation at ntfs_fill_super() [1], for a
crafted filesystem can contain bogus inode->i_size. Add __GFP_NOWARN in
order to avoid too large allocation warning, than exhausting memory by
using kvmalloc().

Link: https://syzkaller.appspot.com/bug?extid=33f3faaa0c08744f7d40 [1]
Reported-by: syzot <syzbot+33f3faaa0c08744f7d40@syzkaller.appspotmail.com>
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: Sasha Levin <sashal@kernel.org>

...

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Tetsuo Handa 2022-10-02 23:54:11 +09:00 • committed by Greg Kroah-Hartman

parent 590a6943a1

commit fd8aa71b65

1 changed files with 1 additions and 1 deletions

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fs/ntfs3/super.c

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