Ignore doomed vnodes in tmpfs_update_mtime().
Otherwise we might dereference NULL vp->v_data after VP_TO_TMPFS_NODE(). Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=346157
@ -173,7 +173,7 @@ tmpfs_update_mtime(struct mount *mp, bool lazy)
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* metadata changes now.
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*/
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if (!lazy || (obj->flags & OBJ_TMPFS_DIRTY) != 0) {
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if (vget(vp, LK_EXCLUSIVE | LK_RETRY | LK_INTERLOCK,
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if (vget(vp, LK_EXCLUSIVE | LK_INTERLOCK,
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curthread) != 0)
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continue;
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tmpfs_check_mtime(vp);
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