Date: Mon, 29 Mar 2021 23:07:34 GMT From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 9095dc7da4cf - main - Fix nexhtop group index array scaling. Message-ID: <202103292307.12TN7Yni036663@gitrepo.freebsd.org>
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The branch main has been updated by melifaro: URL: https://cgit.FreeBSD.org/src/commit/?id=9095dc7da4cf0c484fb1160b2180b7329b09b107 commit 9095dc7da4cf0c484fb1160b2180b7329b09b107 Author: Alexander V. Chernikov <melifaro@FreeBSD.org> AuthorDate: 2021-03-29 23:00:17 +0000 Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> CommitDate: 2021-03-29 23:00:17 +0000 Fix nexhtop group index array scaling. The current code has the limit of 127 nexthop groups due to the wrongly-checked bitmask_copy() return value. PR: 254303 Reported by: Aleks <a.ivanov at veesp.com> MFC after: 1 day --- sys/net/route/nhgrp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/net/route/nhgrp.c b/sys/net/route/nhgrp.c index c25f4f09865b..f6638b12ebea 100644 --- a/sys/net/route/nhgrp.c +++ b/sys/net/route/nhgrp.c @@ -243,8 +243,8 @@ consider_resize(struct nh_control *ctl, uint32_t new_nh_buckets, uint32_t new_id CHT_SLIST_RESIZE(&ctl->gr_head, mpath, nh_ptr, new_nh_buckets); } if (nh_idx_ptr != NULL) { - if (bitmask_copy(&ctl->gr_idx_head, nh_idx_ptr, new_idx_items)) - bitmask_swap(&ctl->nh_idx_head, nh_idx_ptr, new_idx_items, &old_idx_ptr); + if (bitmask_copy(&ctl->gr_idx_head, nh_idx_ptr, new_idx_items) == 0) + bitmask_swap(&ctl->gr_idx_head, nh_idx_ptr, new_idx_items, &old_idx_ptr); } NHOPS_WUNLOCK(ctl);
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