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* grub-core/fs/ext2.c (grub_ext2_read_inode): Fix an overflow.

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Reported and tested by: Timothy Nikkel.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-03-29 10:56:14 +02:00
parent ed5587afea
commit d2e29d81a9
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2011-03-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/fs/ext2.c (grub_ext2_read_inode): Fix an overflow.
Reported and tested by: Timothy Nikkel.
2011-03-29 Vladimir Serbinenko <phcoder@gmail.com> 2011-03-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/term/gfxterm.c (dirty_region_add): Move core part to ... * grub-core/term/gfxterm.c (dirty_region_add): Move core part to ...

2
grub-core/fs/ext2.c
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@ -555,7 +555,7 @@ grub_ext2_read_inode (struct grub_ext2_data *data,
/* Read the inode. */ /* Read the inode. */
if (grub_disk_read (data->disk, if (grub_disk_read (data->disk,
((grub_le_to_cpu32 (blkgrp.inode_table_id) + blkno) (((grub_disk_addr_t) grub_le_to_cpu32 (blkgrp.inode_table_id) + blkno)
<< LOG2_EXT2_BLOCK_SIZE (data)), << LOG2_EXT2_BLOCK_SIZE (data)),
EXT2_INODE_SIZE (data) * blkoff, EXT2_INODE_SIZE (data) * blkoff,
sizeof (struct grub_ext2_inode), inode)) sizeof (struct grub_ext2_inode), inode))