On Thu, Jun 23, 2016 at 04:32:45PM -0700, Liu Bo wrote: > With btrfs-corrupt-block, one can set btree node/leaf's field, if > we assign a negative value to node/leaf, we can get various hangs, > eg. if extent_root's nritems is -2ULL, then we get stuck in > btrfs_read_block_groups() because it has a while loop and > btrfs_search_slot() on extent_root will always return the first > child. > > This lets us know what's happening and returns a EINVAL to callers > instead of returning the first item. > > Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
