On Mon, Mar 10, 2025 at 05:16:10PM +0800, Ming Lei wrote: > Make sure ->nr_integrity_segments is cloned in blk_rq_prep_clone(), > otherwise zero ->nr_integrity_segments will be observed in > sg_alloc_table_chained(), in which BUG() is hit. Maybe reword this to: ... otherwise requests cloned by device-mapper multipath will not have the prope nr_integrity_segments values set? The fact that sg_alloc_table_chained BUG⁽)s is just a symptom of that. > Cc: stable@xxxxxxxxxxxxxxx ... and replace this with a proper Fixes tag?
