Richard Yao a6ccb36b94 Add defensive assertions ... Coverity complains about possible bugs involving referencing NULL return values and division by zero. The division by zero bugs require that a block pointer be corrupt, either from in-memory corruption, or on-disk corruption. The NULL return value complaints are only bugs if assumptions that we make about the state of data structures are wrong. Some seem impossible to be wrong and thus are false positives, while others are hard to analyze. Rather than dismiss these as false positives by assuming we know better, we add defensive assertions to let us know when our assumptions are wrong. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #13972		2022-10-12 11:25:18 -07:00
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freebsd	Add defensive assertions	2022-10-12 11:25:18 -07:00
linux	Add defensive assertions	2022-10-12 11:25:18 -07:00