From 8c1d08668974cc59f00e0cbc1c37c2f03e1a132e Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Sun, 25 Jan 2015 13:29:26 +0100 Subject: [PATCH] fs/reiserfs: Fix sector count overflow. Found by: Coverity scan. --- grub-core/fs/reiserfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/grub-core/fs/reiserfs.c b/grub-core/fs/reiserfs.c index de3d4fa3c..b78166554 100644 --- a/grub-core/fs/reiserfs.c +++ b/grub-core/fs/reiserfs.c @@ -1090,7 +1090,7 @@ grub_reiserfs_read_real (struct grub_fshelp_node *node, switch (found.type) { case GRUB_REISERFS_DIRECT: - block = found.block_number * (block_size >> GRUB_DISK_SECTOR_BITS); + block = ((grub_disk_addr_t) found.block_number) * (block_size >> GRUB_DISK_SECTOR_BITS); grub_dprintf ("reiserfs_blocktype", "D: %u\n", (unsigned) block); if (initial_position < current_position + item_size) {