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Fix page fault in zfsctl_snapdir_getattr
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Authored by asomers on Jul 1 2020, 10:17 PM.

Details

Summary

Fix page fault in zfsctl_snapdir_getattr

Must acquire the z_teardown_lock before accessing the zfsvfs_t object. I
can't reproduce this panic on demand, but this looks like the correct
solution.

PR: 247668

Test Plan

The ZFS test suite

Diff Detail

Repository
rS FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.