Inherit P2_PROTMAX_{ENABLE,DISABLE} across fork().
Thus, when using proccontrol(1) to disable implicit application of PROT_MAX within a process, child processes will inherit this setting. Discussed with: kib MFC with: r349609 Sponsored by: The FreeBSD Foundation
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=349892
@ -465,7 +465,8 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread *
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*/
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p2->p_flag = P_INMEM;
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p2->p_flag2 = p1->p_flag2 & (P2_ASLR_DISABLE | P2_ASLR_ENABLE |
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P2_ASLR_IGNSTART | P2_NOTRACE | P2_NOTRACE_EXEC | P2_TRAPCAP);
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P2_ASLR_IGNSTART | P2_NOTRACE | P2_NOTRACE_EXEC |
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P2_PROTMAX_ENABLE | P2_PROTMAX_DISABLE | P2_TRAPCAP);
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p2->p_swtick = ticks;
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if (p1->p_flag & P_PROFIL)
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startprofclock(p2);
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