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Zeeb Subject: git: add692e05ca1 - stable/14 - LinuxKPI: 802.11: initialize the passed in chandef in cfg80211_chandef_create List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: add692e05ca1825b974804ad65d961719be098f2 Auto-Submitted: auto-generated Date: Fri, 16 Jan 2026 19:41:23 +0000 Message-Id: <696a9463.bb70.662897fb@gitrepo.freebsd.org> The branch stable/14 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=add692e05ca1825b974804ad65d961719be098f2 commit add692e05ca1825b974804ad65d961719be098f2 Author: Bjoern A. Zeeb AuthorDate: 2025-11-17 22:54:07 +0000 Commit: Bjoern A. Zeeb CommitDate: 2026-01-16 19:37:53 +0000 LinuxKPI: 802.11: initialize the passed in chandef in cfg80211_chandef_create cfg80211_chandef_create() gets passed a pointer to a cfg80211_chan_def. It seems that several users are passing in an uninitialized variable from the stack and expect cfg80211_chandef_create() to initialize it. Run memset() on the struct, which for all callers currently seems to do the right thing, to avoid later accesses to uninitialized struct members like "punctured". Reported by: CI (gcc build) Sponsonred by: The FreeBSD Foundation (cherry picked from commit 640205bc22c8b2bd31c766f4d0c409c183a8b8dc) (cherry picked from commit d389d1ac1699aea517a18cf73486e7077cfbda46) --- sys/compat/linuxkpi/common/include/net/cfg80211.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/compat/linuxkpi/common/include/net/cfg80211.h b/sys/compat/linuxkpi/common/include/net/cfg80211.h index f769cfdd4075..305026b34451 100644 --- a/sys/compat/linuxkpi/common/include/net/cfg80211.h +++ b/sys/compat/linuxkpi/common/include/net/cfg80211.h @@ -1450,7 +1450,7 @@ cfg80211_chandef_create(struct cfg80211_chan_def *chandef, KASSERT(chandef != NULL, ("%s: chandef is NULL\n", __func__)); KASSERT(chan != NULL, ("%s: chan is NULL\n", __func__)); - /* memset(chandef, 0, sizeof(*chandef)); */ + memset(chandef, 0, sizeof(*chandef)); chandef->chan = chan; chandef->center_freq1 = chan->center_freq; /* chandef->width, center_freq2, punctured */