Date: Tue, 8 Oct 2024 06:50:42 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 409c2fa385aa - main - kinfo_vmentry: report max protection Message-ID: <202410080650.4986ognB026502@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=409c2fa385aa34baf7dd86bed2e86fbff16ad86d commit 409c2fa385aa34baf7dd86bed2e86fbff16ad86d Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-10-07 07:49:43 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-10-08 06:50:17 +0000 kinfo_vmentry: report max protection Reviewed by: brooks, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D46971 --- sys/kern/kern_proc.c | 6 ++++++ sys/sys/user.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 02d3b9fd69cd..422873ee14c2 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -2678,6 +2678,12 @@ kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, int flags) kve->kve_protection |= KVME_PROT_WRITE; if (entry->protection & VM_PROT_EXECUTE) kve->kve_protection |= KVME_PROT_EXEC; + if (entry->max_protection & VM_PROT_READ) + kve->kve_protection |= KVME_MAX_PROT_READ; + if (entry->max_protection & VM_PROT_WRITE) + kve->kve_protection |= KVME_MAX_PROT_WRITE; + if (entry->max_protection & VM_PROT_EXECUTE) + kve->kve_protection |= KVME_MAX_PROT_EXEC; if (entry->eflags & MAP_ENTRY_COW) kve->kve_flags |= KVME_FLAG_COW; diff --git a/sys/sys/user.h b/sys/sys/user.h index 1fd802b03a42..2025dc5cb47b 100644 --- a/sys/sys/user.h +++ b/sys/sys/user.h @@ -506,6 +506,9 @@ struct kinfo_lockf { #define KVME_PROT_READ 0x00000001 #define KVME_PROT_WRITE 0x00000002 #define KVME_PROT_EXEC 0x00000004 +#define KVME_MAX_PROT_READ 0x00010000 +#define KVME_MAX_PROT_WRITE 0x00020000 +#define KVME_MAX_PROT_EXEC 0x00040000 #define KVME_FLAG_COW 0x00000001 #define KVME_FLAG_NEEDS_COPY 0x00000002
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