From nobody Mon Feb 9 01:34:43 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 580501DE2AB for ; Fri, 22 Nov 2024 10:06:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732270012; cv=none; b=iq6pBM9NBpqNeL6vK81fLLnCgA2PXdGdmdXW07Y/bsI8zD8BkPEfqCYZ3JjG9CR5D1HggQE0jMpq5BMHiXhtiwhMwUEhi2E8uljYatiGtttoJGL9ddgBWi2JLbXEGd6tzHyKsStrxuquSngwFlfoSh2gYCIwk6caRSmPg8QVGuY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732270012; c=relaxed/simple; bh=hsF5fWrVqhTNjzKpab+I24/AxZT8J5BfR0pQu+wZeC4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IxdhNv4mFiMsjzS4cpt1/PsrCMYo6fwI6f84ePEqYEOxXmQkd2ykzZGXQq0jNmsQUStUAPCb20OTUYvZnUNwxcfpoxMPLNbWBwIsy8w6uI8aMC9+82GbQqQz3A6hukd9Yyg9Qf4XXwsyiyr5Pgzt8fbXmu7U7LK3F7MIxl5VRCc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 7888d698a8b911efa216b1d71e6e1362-20241122 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_DIGIT_LEN HR_FROM_NAME, HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER HR_SJ_NOR_SYM, HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT HR_TO_DOMAIN_COUNT, HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED SA_TRUSTED, SA_EXISTED, SN_TRUSTED, SN_EXISTED, SPF_NOPASS DKIM_NOPASS, DMARC_NOPASS, CIE_BAD, CIE_GOOD_SPF, GTI_FG_BS GTI_RG_INFO, GTI_C_BU, AMN_T1, AMN_GOOD, AMN_C_TI AMN_C_BU X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.38,REQID:1dba1e93-ae19-4cb5-a41b-51cf4c6a1607,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-INFO: VERSION:1.1.38,REQID:1dba1e93-ae19-4cb5-a41b-51cf4c6a1607,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:-5 X-CID-META: VersionHash:82c5f88,CLOUDID:38bfd48e11d4299de25a51e090a9ddd1,BulkI D:241122180448WVKOXOYN,BulkQuantity:1,Recheck:0,SF:17|19|66|81|82|102,TC:n il,Content:0,EDM:-3,IP:nil,URL:0,File:nil,RT:nil,Bulk:40,QS:nil,BEC:nil,CO L:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-UUID: 7888d698a8b911efa216b1d71e6e1362-20241122 X-User: xiaopei01@kylinos.cn Received: from xiaopei-pc.. [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 468294209; Fri, 22 Nov 2024 18:06:41 +0800 From: Pei Xiao To: syzbot+84d0441b9860f0d63285@syzkaller.appspotmail.com Cc: xiaopeitux@foxmail.com, linux-kernel@vger.kernel.org, Pei Xiao Subject: [PATCH] BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 Date: Fri, 22 Nov 2024 18:06:36 +0800 Message-Id: <309c3e431edf9ac461bb9513a3ed795069590ed2.1732269855.git.xiaopei01@kylinos.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <673fca0e.050a0220.363a1b.012a.GAE@google.com> References: <673fca0e.050a0220.363a1b.012a.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" --- net/netfilter/nft_inner.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nft_inner.c b/net/netfilter/nft_inner.c index 928312d01eb1..86c94d8b90c8 100644 --- a/net/netfilter/nft_inner.c +++ b/net/netfilter/nft_inner.c @@ -248,9 +248,13 @@ static bool nft_inner_parse_needed(const struct nft_in= ner *priv, static void nft_inner_eval(const struct nft_expr *expr, struct nft_regs *r= egs, const struct nft_pktinfo *pkt) { - struct nft_inner_tun_ctx *tun_ctx =3D this_cpu_ptr(&nft_pcpu_tun_ctx); + struct nft_inner_tun_ctx *tun_ctx; const struct nft_inner *priv =3D nft_expr_priv(expr); =20 + local_bh_disable(); + tun_ctx =3D this_cpu_ptr(&nft_pcpu_tun_ctx); + local_bh_enable(); + if (nft_payload_inner_offset(pkt) < 0) goto err; =20 --=20 2.34.1