The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=503ac069aa4cabd8fb3aeaec705c5c926e39d452
commit 503ac069aa4cabd8fb3aeaec705c5c926e39d452 Author: Bora Özarslan <[email protected]> AuthorDate: 2021-11-25 19:09:26 +0000 Commit: Ed Maste <[email protected]> CommitDate: 2022-02-17 01:18:32 +0000 libkvm: fix kvm_walk_pages Correct bitmap operations in _kvm_bitmap_next. Reviewed by: jhb MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D19183 (cherry picked from commit 08055452cbf24a3cea48cb4f665bab78d89b7a39) --- lib/libkvm/kvm_private.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/libkvm/kvm_private.c b/lib/libkvm/kvm_private.c index d853d1643101..a45f66caf2fe 100644 --- a/lib/libkvm/kvm_private.c +++ b/lib/libkvm/kvm_private.c @@ -792,8 +792,8 @@ _kvm_bitmap_next(struct kvm_bitmap *bm, u_long *idx) /* Find the next valid idx. */ for (; *idx < first_invalid; (*idx)++) { - unsigned int mask = *idx % CHAR_BIT; - if ((bm->map[*idx * CHAR_BIT] & mask) == 0) + unsigned int mask = 1U << (*idx % CHAR_BIT); + if ((bm->map[*idx / CHAR_BIT] & mask) != 0) break; }
