Konstantin Belousov f0d5223230 Avoid dereferencing potentially freed workitem in ... softdep_count_dependencies(). Buffer's b_dep list is protected by the SU mount lock. Owning the buffer lock is not enough to guarantee the stability of the list. Calculation of the UFS mount owning the workitems from the buffer must be much more careful to not dereference the work item which might be freed meantime. To get to ump, use the pointers chain which does not involve workitems at all. Reported and tested by: pho Reviewed by: mckusick Sponsored by: The FreeBSD Foundation MFC after: 2 weeks		2017-08-21 16:23:44 +00:00
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ffs	Avoid dereferencing potentially freed workitem in	2017-08-21 16:23:44 +00:00
ufs	Consistently use vop_stdpathconf() for default pathconf values.	2017-07-11 21:55:20 +00:00