Messages in this thread Patch in this message | | | Date | Fri, 16 Apr 2004 22:47:43 +0100 | From | Dave Jones <> | Subject | NTFS null dereference x2 |
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if vol is NULL, everything falls apart..
Dave
--- linux-2.6.5/fs/ntfs/attrib.c~ 2004-04-16 22:45:53.000000000 +0100 +++ linux-2.6.5/fs/ntfs/attrib.c 2004-04-16 22:46:47.000000000 +0100 @@ -1235,16 +1235,19 @@ u8 *al_end = al + initialized_size; run_list_element *rl; struct buffer_head *bh; - struct super_block *sb = vol->sb; + struct super_block *sb; unsigned long block_size = sb->s_blocksize; unsigned long block, max_block; int err = 0; - unsigned char block_size_bits = sb->s_blocksize_bits; + unsigned char block_size_bits; ntfs_debug("Entering."); if (!vol || !run_list || !al || size <= 0 || initialized_size < 0 || initialized_size > size) return -EINVAL; + sb = vol->sb; + block_size_bits = sb->s_blocksize_bits; + if (!initialized_size) { memset(al, 0, size); return 0; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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