Fix linuxulator prlimit64(2) with pid == 0. This makes 'ulimit -a'
return something reasonable, and helps linux binaries which attempt to close all the files, eg apt(8). Reviewed by: emaste MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D20692
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=349746
@ -2001,10 +2001,14 @@ linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args)
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flags |= PGET_CANDEBUG;
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else
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flags |= PGET_CANSEE;
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error = pget(args->pid, flags, &p);
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if (error != 0)
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return (error);
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if (args->pid == 0) {
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p = td->td_proc;
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PHOLD(p);
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} else {
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error = pget(args->pid, flags, &p);
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if (error != 0)
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return (error);
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}
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if (args->old != NULL) {
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PROC_LOCK(p);
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lim_rlimit_proc(p, which, &rlim);
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