Date: Wed, 26 Jul 2023 05:25:37 GMT From: Alan Cox <alc@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 50d663b14b31 - main - vm: Fix vm_map_find_min() Message-ID: <202307260525.36Q5PbRm027006@gitrepo.freebsd.org>
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The branch main has been updated by alc: URL: https://cgit.FreeBSD.org/src/commit/?id=50d663b14b310d6020b4b6cc92d4fae985f086f2 commit 50d663b14b310d6020b4b6cc92d4fae985f086f2 Author: Alan Cox <alc@FreeBSD.org> AuthorDate: 2023-07-25 07:24:19 +0000 Commit: Alan Cox <alc@FreeBSD.org> CommitDate: 2023-07-26 05:24:50 +0000 vm: Fix vm_map_find_min() Fix the handling of address hints that are less than min_addr by vm_map_find_min(). Reported by: dchagin Reviewed by: kib Fixes: d8e6f4946cec0 "vm: Fix anonymous memory clustering under ASLR" Differential Revision: https://reviews.freebsd.org/D41159 --- sys/vm/vm_map.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 444e09986d4e..eb607d519247 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2255,10 +2255,10 @@ vm_map_find_min(vm_map_t map, vm_object_t object, vm_ooffset_t offset, int rv; hint = *addr; - if (hint == 0) + if (hint == 0) { cow |= MAP_NO_HINT; - if (hint < min_addr) *addr = hint = min_addr; + } for (;;) { rv = vm_map_find(map, object, offset, addr, length, max_addr, find_space, prot, max, cow);
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