This patch fixes a segmentation fault in zhack metaslab leak which might
be triggered by feeding zhack with a fragmentation profile that's
exported from a pool larger than the target pool.
Fixes: 8f15d2e4d5
Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com>
3408332d71