From nobody Fri Jun 5 16:16:07 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gX64X6sZFz6g5Sc for ; Fri, 05 Jun 2026 16:16:12 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gX64X5Thtz40wq for ; Fri, 05 Jun 2026 16:16:12 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1780676172; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=zuekMfm0bXwhqib/cE7dXRcMl013zmWCIQNLoJ7TgxM=; b=wKniGz4Ehpo4nRCQxA8NIVlDDVdl6XBSLRYXWqStDyrQGsWKiIcXgWaDToJHC+thbOxmo9 v/mMo3Jimbw6iQHgwEynSNUKEKsEAtG9smytnVsnC4NF1ILKRuVYRNjTy9Lqm62YLrEYTW QePaz/a0Hh8qu4OwAJUXBqUHznynwIHjL535ZMpgxqa7dyIxW165XwRQLIs6ux9OmOdObI fvnMpNDSoTPrWBkD1g7hfFomoOw0NqM58FCevfjVQr8GOqyuBykYLl+CymfLYTidL1xO3C pks6h+tOqwvAKWY77UoOK8/xLIGsnoJ2389Ug4KQZ/K51WNiXLEIsD8Vx4Fwog== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1780676172; a=rsa-sha256; cv=none; b=ovMZ7wJAG/1KAbOvnFMV0XLXim8dETuUjzzfEQDjviIPv8uN1PKRUhZiZsZC6jNBE9hm8Z WwpVOl4AznYl+WKVPS9XUF9JD5KC53OKIwlz6g6J7Mz8fV5jV02HthGd3Z65ABDhUBbLGm p97sEJ3K5ZYuE+HfhuDshGoAATySi1NdZvBoWvvoSg5SL0h4rteFpHMJEw0PygShf3Fya3 WAf56Uq+81b7N1Plk+6Id5Xe+996Z09M69pUL49RtYz9plZCj+qqBSaXJHl47drX0EAh0U eBj+fwlU+6r4zh/YfR4gRC2atEJZM/d6a7jnRB9FwCHfWTUQJgpLYzzYz6PE5w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1780676172; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=zuekMfm0bXwhqib/cE7dXRcMl013zmWCIQNLoJ7TgxM=; b=GF7JHJf0TrajJ/S3NgPsJ9BQCvElBBZIFoYx3mkXQQmw6K8CXzi71vL8drZv3bhqrYZWR6 Dq+9pcnn8SEk4VBkl8vZY4VKrrpyyIQPdWjerFaSLPWP24PUUIij8Vsbtmt/xBdtIYHa21 knE0WzMMHbmO0dJlhOgmJDJpRBfbLqmnhS5hWKU0TsupmRKB30gPkVk3U62+e1fXedHdrm fqS6TYvETJrqdP4llIu40zJpfjcxGpIJ1G/guOCxQQZXv8MDRAg52x9v16frU7eeV6UJ+/ n1JOySCNpRRbKESl/x3gbPAMGN1iuKL5ULW/dD/iRImZsGXEnZvMdhi/RfPECg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gX64X4CQNzcqw for ; Fri, 05 Jun 2026 16:16:12 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 45cbd by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 05 Jun 2026 16:16:07 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Alex Arslan From: Andrew Turner Subject: git: 5cc3fa098856 - main - arm64: Add exception flag for ksiginfo_t and set in trapsignal 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 5cc3fa098856cbb8de72d1027c838ef734030445 Auto-Submitted: auto-generated Date: Fri, 05 Jun 2026 16:16:07 +0000 Message-Id: <6a22f647.45cbd.33bd66e7@gitrepo.freebsd.org> The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=5cc3fa098856cbb8de72d1027c838ef734030445 commit 5cc3fa098856cbb8de72d1027c838ef734030445 Author: Alex Arslan AuthorDate: 2026-03-19 23:30:03 +0000 Commit: Andrew Turner CommitDate: 2026-06-05 16:15:36 +0000 arm64: Add exception flag for ksiginfo_t and set in trapsignal The `ksiginfo_t` flag `KSI_TRAP` is set both for exceptions and when copying between userspace and the kernel fails. In the latter case, the exception syndrome register as captured in `struct trapframe` won't be valid. That means we can't use `KSI_TRAP` to determine whether `tf_esr` is valid. This motivates the addition of a new flag, here called `KSI_EXCEPT`, for specifically identifying signals caused by exceptions. It is added to `ksi_flags` via `trapsignal`. Signed-off-by: Alex Arslan Reported by: andrew Pull Request: https://github.com/freebsd/freebsd-src/pull/2053 --- sys/arm64/arm64/trap.c | 1 + sys/sys/signalvar.h | 1 + 2 files changed, 2 insertions(+) diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index 1178817108e5..3afeb34abd5f 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -131,6 +131,7 @@ call_trapsignal(struct thread *td, int sig, int code, void *addr, int trapno) ksi.ksi_code = code; ksi.ksi_addr = addr; ksi.ksi_trapno = trapno; + ksi.ksi_flags |= KSI_EXCEPT; trapsignal(td, &ksi); } diff --git a/sys/sys/signalvar.h b/sys/sys/signalvar.h index 8f181b7beee6..9a4009d269af 100644 --- a/sys/sys/signalvar.h +++ b/sys/sys/signalvar.h @@ -237,6 +237,7 @@ typedef struct ksiginfo { #define KSI_SIGQ 0x08 /* Generated by sigqueue, might ret EAGAIN. */ #define KSI_HEAD 0x10 /* Insert into head, not tail. */ #define KSI_PTRACE 0x20 /* Generated by ptrace. */ +#define KSI_EXCEPT 0x40 /* Generated by an exception. */ #define KSI_COPYMASK (KSI_TRAP | KSI_SIGQ | KSI_PTRACE) #define KSI_ONQ(ksi) ((ksi)->ksi_sigq != NULL)