Date: Tue, 12 Jan 2021 07:16:05 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: 9402bb44f137 - main - vmspace_fork: preserve wx settings in the child vm map after fork Message-ID: <202101120716.10C7G55H046149@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=9402bb44f137eec9c844210ee8436bfee58ac165 commit 9402bb44f137eec9c844210ee8436bfee58ac165 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-01-12 06:09:59 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-01-12 06:09:59 +0000 vmspace_fork: preserve wx settings in the child vm map after fork Noted by: markj Sponsored by: The FreeBSD Foundation --- sys/vm/vm_map.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index bea776480391..9746d07713d3 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -4303,7 +4303,8 @@ vmspace_fork(struct vmspace *vm1, vm_ooffset_t *fork_charge) } new_map->anon_loc = old_map->anon_loc; - new_map->flags |= old_map->flags & (MAP_ASLR | MAP_ASLR_IGNSTART); + new_map->flags |= old_map->flags & (MAP_ASLR | MAP_ASLR_IGNSTART | + MAP_WXORX); VM_MAP_ENTRY_FOREACH(old_entry, old_map) { if ((old_entry->eflags & MAP_ENTRY_IS_SUB_MAP) != 0)
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