grub_ufs_mount: Check that sblock.ino_per_group is not 0.
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2 changed files with 7 additions and 1 deletions
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@ -1,3 +1,8 @@
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2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/fs/ufs.c (grub_ufs_mount): Check
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that sblock.ino_per_group is not 0.
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2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
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Reject NILFS2 superblocks with over 1GiB blocks.
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@ -604,7 +604,8 @@ grub_ufs_mount (grub_disk_t disk)
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endiannesses. */
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if (data->sblock.magic == grub_cpu_to_ufs32_compile_time (GRUB_UFS_MAGIC)
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&& data->sblock.bsize != 0
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&& ((data->sblock.bsize & (data->sblock.bsize - 1)) == 0))
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&& ((data->sblock.bsize & (data->sblock.bsize - 1)) == 0)
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&& data->sblock.ino_per_group != 0)
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{
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for (data->log2_blksz = 0;
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(1U << data->log2_blksz) < grub_ufs_to_cpu32 (data->sblock.bsize);
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