i386: honor kern.elf32.read_exec for ommap(2) and break(2), as already
done on amd64. Sponsored by: The FreeBSD Foundation MFC after: 1 week
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a7f67facdf
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5dddee2d65
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=343929
@ -414,12 +414,10 @@ ommap(struct thread *td, struct ommap_args *uap)
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#define OMAP_FIXED 0x0100
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prot = cvtbsdprot[uap->prot & 0x7];
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#ifdef COMPAT_FREEBSD32
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#if defined(__amd64__)
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#if (defined(COMPAT_FREEBSD32) && defined(__amd64__)) || defined(__i386__)
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if (i386_read_exec && SV_PROC_FLAG(td->td_proc, SV_ILP32) &&
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prot != 0)
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prot |= PROT_EXEC;
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#endif
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#endif
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flags = 0;
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if (uap->flags & OMAP_ANON)
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@ -180,11 +180,9 @@ kern_break(struct thread *td, uintptr_t *addr)
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}
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#endif
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prot = VM_PROT_RW;
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#ifdef COMPAT_FREEBSD32
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#if defined(__amd64__)
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#if (defined(COMPAT_FREEBSD32) && defined(__amd64__)) || defined(__i386__)
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if (i386_read_exec && SV_PROC_FLAG(td->td_proc, SV_ILP32))
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prot |= VM_PROT_EXECUTE;
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#endif
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#endif
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rv = vm_map_insert(map, NULL, 0, old, new, prot, VM_PROT_ALL, 0);
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if (rv != KERN_SUCCESS) {
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