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/openbmc/linux/fs/erofs/ |
H A D | internal.h | 1b3567a1 Fri Apr 14 01:18:10 CDT 2023 Jingbo Xu <jefflexu@linux.alibaba.com> erofs: fix potential overflow calculating xattr_isize
Given on-disk i_xattr_icount is 16 bits and xattr_isize is calculated from i_xattr_icount multiplying 4, xattr_isize has a theoretical maximum of 256K (64K * 4).
Thus declare xattr_isize as unsigned int to avoid the potential overflow.
Fixes: bfb8674dc044 ("staging: erofs: add erofs in-memory stuffs") Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20230414061810.6479-1-jefflexu@linux.alibaba.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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