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Add a witness sleep warning to canon_path(), which invokes vput() and hence
may perform an unbounded sleep. Remove an XXX comment suggesting that one be added. Obtained from: TrustedBSD Project
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=165621
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@ -669,9 +669,6 @@ audit_arg_upath(struct thread *td, char *upath, u_int64_t flag)
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if (ar == NULL)
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return;
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/*
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* XXXAUDIT: Witness warning for possible sleep here?
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*/
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KASSERT((flag == ARG_UPATH1) || (flag == ARG_UPATH2),
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("audit_arg_upath: flag %llu", (unsigned long long)flag));
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KASSERT((flag != ARG_UPATH1) || (flag != ARG_UPATH2),
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@ -488,6 +488,9 @@ canon_path(struct thread *td, char *path, char *cpath)
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struct filedesc *fdp;
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int cisr, error, vfslocked;
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WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL,
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"canon_path() at %s:%d", __FILE__, __LINE__);
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fdp = td->td_proc->p_fd;
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bufp = path;
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cisr = 0;
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