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[130.117.225.111]) by mx.google.com with ESMTPS id 5b1f17b1804b1-49fcd078422si113585335e9.21.2026.09.20.10.46.14 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 10:46:14 -0700 (PDT) Received-SPF: pass (google.com: domain of vladimir.riabchun@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=CmMb0IkL; spf=pass (google.com: domain of vladimir.riabchun@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=vladimir.riabchun@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Message-Id:Content-Type:MIME-Version:Subject:Date :From; bh=ViBwyTkVP6Lh7btLX/TUUCjkwlZpAg2B2uISxPqqPgw=; b=CmMb0IkLW3Pu0SDlcyD fl8AaxwQHdwRjn0p0zRtPpo4/ajDelof47y4xpYikpHRxuUH8D+3AEQOZLpSRaG+vEZyCHbXmGAob 446DTfsqtS+aSBy7CYx4gF2s3SnaHO4U2UsJzkULF5BHp59H+jTaWMcWdCZjvYmLJ8hK880yRGbhJ MS8Wgk0LDveRO3LPXN6K9/v4cMYVtQ+Zhd3Hd4a6vJpcleBdmDTyI1b13aSOlj7UAqKlQLBL4moN3 AIzaErl7cAY2dLz1Ue52YmaoifI+D2RBXkSH2Q8zOXansNNRqTa79tHZUfat5sYlVOVm0P4SY1XVS lXlEZnNwtP4Mtkw==; Received: from [130.117.225.5] (helo=dev012.aci.vzint.dev) by relay.virtuozzo.com with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x8LZN-00E3NU-2a; Sun, 20 Sep 2026 19:46:07 +0200 From: Vladimir Riabchun Date: Sun, 20 Sep 2026 17:45:42 +0000 MIME-Version: 1.0 Message-Id: <20260920-ovl-use-orig-ve-v1-1-b3e63f6ff80d@virtuozzo.com> References: <20260920-ovl-use-orig-ve-v1-0-b3e63f6ff80d@virtuozzo.com> In-Reply-To: <20260920-ovl-use-orig-ve-v1-0-b3e63f6ff80d@virtuozzo.com> To: Konstantin Khorenko X-Mailer: b4 0.16.0 X-OZ-Fwd: true Cc: devel@openvz.org Subject: [Devel] [PATCH hci-8.1 1/2] capability: Add new helper to check specific VE capabilities X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org Currently ve_capable checks only current VE caps. It is useful to be able to check capabilities of VEs other than current. https://virtuozzo.atlassian.net/browse/VSTOR-142405 Signed-off-by: Vladimir Riabchun --- include/linux/capability.h | 3 +++ kernel/capability.c | 15 +++++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/include/linux/capability.h b/include/linux/capability.h index e1cc7133b16c..443fc2331cac 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -191,6 +191,9 @@ bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode); bool capable_wrt_inode_uidgid(struct mnt_idmap *idmap, const struct inode *inode, int cap); + +struct ve_struct; +extern bool __ve_capable(struct ve_struct *ve, int cap); extern bool ve_capable(int cap); extern bool feature_capable(int feature, int cap); extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); diff --git a/kernel/capability.c b/kernel/capability.c index 34716847c6b8..1dd88645a6a3 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -386,13 +386,13 @@ bool ns_capable(struct user_namespace *ns, int cap) EXPORT_SYMBOL(ns_capable); #ifdef CONFIG_VE -bool ve_capable(int cap) +bool __ve_capable(struct ve_struct *ve, int cap) { struct cred *cred; bool ret; rcu_read_lock(); - cred = get_exec_env()->init_cred; + cred = ve->init_cred; if (cred == NULL) /* ve isn't running */ cred = ve0.init_cred; @@ -403,6 +403,11 @@ bool ve_capable(int cap) return ret; } +bool ve_capable(int cap) +{ + return __ve_capable(get_exec_env(), cap); +} + bool ve_capable_noaudit(int cap) { struct cred *cred; @@ -428,6 +433,11 @@ bool feature_capable(int feature, int cap) return capable(cap); } #else +bool __ve_capable(struct ve_struct *ve, int cap) +{ + return capable(cap); +} + bool ve_capable(int cap) { return capable(cap); @@ -443,6 +453,7 @@ bool feature_capable(int feature, int cap) return capable(cap); } #endif +EXPORT_SYMBOL_GPL(__ve_capable); EXPORT_SYMBOL_GPL(ve_capable); EXPORT_SYMBOL_GPL(ve_capable_noaudit); -- 2.47.1 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel