Commit cd7257ce authored by Dongliang Mu's avatar Dongliang Mu Committed by Zheng Zengkai
Browse files

ntfs: add sanity check on allocation size

stable inclusion
from stable-v5.10.110
commit b230f2d9441a34c7f483d39ab78519bcf73cc2e0
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b230f2d9441a34c7f483d39ab78519bcf73cc2e0

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[ Upstream commit 714fbf26 ]

ntfs_read_inode_mount invokes ntfs_malloc_nofs with zero allocation
size.  It triggers one BUG in the __ntfs_malloc function.

Fix this by adding sanity check on ni->attr_list_size.

Link: https://lkml.kernel.org/r/20220120094914.47736-1-dzm91@hust.edu.cn


Reported-by: default avatar <syzbot+3c765c5248797356edaa@syzkaller.appspotmail.com>
Signed-off-by: default avatarDongliang Mu <mudongliangabcd@gmail.com>
Acked-by: default avatarAnton Altaparmakov <anton@tuxera.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarYu Liao <liaoyu15@huawei.com>
Reviewed-by: default avatarWei Li <liwei391@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent d57d3d7f
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