exfat: fix incorrect loading of i_blocks for large files
commit0c336d6e33
upstream. When calculating i_blocks, there was a mistake that was masked with a 32-bit variable. So i_blocks for files larger than 4 GiB had incorrect values. Mask with a 64-bit variable instead of 32-bit one. Fixes:5f2aa07507
("exfat: add inode operations") Cc: stable@vger.kernel.org # v5.7+ Reported-by: Ganapathi Kamath <hgkamath@hotmail.com> Signed-off-by: Sungjong Seo <sj1557.seo@samsung.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -604,7 +604,7 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info)
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exfat_save_attr(inode, info->attr);
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inode->i_blocks = ((i_size_read(inode) + (sbi->cluster_size - 1)) &
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~(sbi->cluster_size - 1)) >> inode->i_blkbits;
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~((loff_t)sbi->cluster_size - 1)) >> inode->i_blkbits;
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inode->i_mtime = info->mtime;
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inode->i_ctime = info->mtime;
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ei->i_crtime = info->crtime;
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