Date: Sat, 24 Jan 2026 00:32:31 +0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 102400e5d07a - stable/15 - swap_pager_getpages(): assert that bp->b_pages[] is accessed in bounds Message-ID: <6974131f.b91a.1e8fee1e@gitrepo.freebsd.org>
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The branch stable/15 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=102400e5d07a901e0b55a3645b6708e509000ff0 commit 102400e5d07a901e0b55a3645b6708e509000ff0 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2026-01-11 11:04:01 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2026-01-24 00:26:45 +0000 swap_pager_getpages(): assert that bp->b_pages[] is accessed in bounds (cherry picked from commit b02ddb59e64620733a6cbc48fb1d0583a62fef78) --- sys/vm/swap_pager.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c index efb0dd477c93..012d89db3310 100644 --- a/sys/vm/swap_pager.c +++ b/sys/vm/swap_pager.c @@ -1396,6 +1396,9 @@ swap_pager_getpages_locked(struct pctrie_iter *blks, vm_object_t object, vm_object_prepare_buf_pages(object, bp->b_pages, count, &rbehind, &rahead, ma); bp->b_npages = rbehind + count + rahead; + KASSERT(bp->b_npages <= PBUF_PAGES, + ("bp_npages %d (rb %d c %d ra %d) not less than PBUF_PAGES %jd", + bp->b_npages, rbehind, count, rahead, (uintmax_t)PBUF_PAGES)); for (int i = 0; i < bp->b_npages; i++) bp->b_pages[i]->oflags |= VPO_SWAPINPROG; bp->b_blkno = swp_pager_meta_lookup(blks, pindex - rbehind);home | help
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