[{"id":3681253,"web_url":"http://patchwork.ozlabs.org/comment/3681253/","msgid":"<20260423023753.3925-1-linuxtestproject.agent@gmail.com>","list_archive_url":null,"date":"2026-04-23T02:37:53","subject":"Re: [LTP] cve: icmp_rate_limit: set icmp_msgs_burst within network\n namespace","submitter":{"id":93132,"url":"http://patchwork.ozlabs.org/api/people/93132/","name":null,"email":"linuxtestproject.agent@gmail.com"},"content":"Hi Wei,\n\nOn 2026-04-23, Wei Gao wrote:\n> cve: icmp_rate_limit: set icmp_msgs_burst within network namespace\n\n>  \tchildns = SAFE_OPEN(\"/proc/self/ns/net\", O_RDONLY);\n>  \n> +\tSAFE_FILE_PRINTF(\"/proc/sys/net/ipv4/icmp_msgs_burst\", \"50\");\n\nCorrect fix. The save_restore entry was writing to the initial namespace\nbefore CLONE_NEWNET, making it ineffective inside the child namespace where\nthe test actually runs.\n\n> -\t\t{\"/proc/sys/net/ipv4/icmp_msgs_burst\", \"50\", TST_SR_TBROK},\n\nNo explicit restore needed — the sysctl lives in the child namespace, which\nis destroyed when the test exits.\n\nReviewed-by: LTP AI Reviewer <ltp-ai@noreply.github.com>\n\n---\nNote:\n\nOur agent completed the review of the patch.\n\nThe agent can sometimes produce false positives although often its\nfindings are genuine. If you find issues with the review, please\ncomment this email or ignore the suggestions.\n\nRegards,\nLTP AI Reviewer","headers":{"Return-Path":"<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=U2QRt+FL;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=213.254.12.146; helo=picard.linux.it;\n envelope-from=ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it;\n receiver=patchwork.ozlabs.org)"],"Received":["from picard.linux.it (picard.linux.it [213.254.12.146])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1KyL6Nppz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>"}},{"id":3683240,"web_url":"http://patchwork.ozlabs.org/comment/3683240/","msgid":"<69f06fd0.df0a0220.166db9.9ddc@mx.google.com>","list_archive_url":null,"date":"2026-04-28T08:29:02","subject":"Re: [LTP] [PATCH v1] cve: icmp_rate_limit: set icmp_msgs_burst\n within network namespace","submitter":{"id":82886,"url":"http://patchwork.ozlabs.org/api/people/82886/","name":"Andrea Cervesato","email":"andrea.cervesato@suse.com"},"content":"Reviwed-by: Andrea Cervesato <andrea.cervesato@suse.com>\n\nPing @Cyril\n\n--\nAndrea Cervesato\nSUSE QE Automation Engineer Linux\nandrea.cervesato@suse.com","headers":{"Return-Path":"<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=lists.linux.it header.i=@lists.linux.it\n header.a=rsa-sha256 header.s=picard header.b=oLrvXFna;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256\n header.s=google header.b=R3BSA+IU;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=2001:1418:10:5::2; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>"}},{"id":3683428,"web_url":"http://patchwork.ozlabs.org/comment/3683428/","msgid":"<afCnqFEBq7gUUSiY@yuki.lan>","list_archive_url":null,"date":"2026-04-28T12:27:20","subject":"Re: [LTP] [PATCH v1] cve: icmp_rate_limit: set icmp_msgs_burst\n within network namespace","submitter":{"id":8530,"url":"http://patchwork.ozlabs.org/api/people/8530/","name":"Cyril Hrubis","email":"chrubis@suse.cz"},"content":"Hi!\n> Reviwed-by: Andrea Cervesato <andrea.cervesato@suse.com>\n> \n> Ping @Cyril\n\nIt took me while to realize that it's the child namespace that generates\nthe errors and I also checked that the ratelimiting in kernel is per net\nnamespace. Anyways:\n\nReviewed-by: Cyril Hrubis <chrubis@suse.cz>","headers":{"Return-Path":"<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=hkCdl4iD;\n\tdkim=fail reason=\"signature verification failed\" header.d=suse.cz\n header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519\n header.b=J1fkqd4x;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key)\n header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa\n header.b=3dalwIF3;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=wJDYlX66;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=213.254.12.146; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_ed25519; t=1777379244;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=Fml25j3ZkdON/Q1698Gj/BEF3ntGLiSVmTRPom1CdHE=;\n b=wJDYlX66K6RC55kmvnWwjqVEoUjCWx6wQd/BV9Ct0aEQXaTj9zN/G3ZE6iBeq2wnOXCWL+\n 6aWP3klYCZR4ZqAg=="],"Date":"Tue, 28 Apr 2026 14:27:20 +0200","From":"Cyril Hrubis <chrubis@suse.cz>","To":"Andrea Cervesato <andrea.cervesato@suse.com>","Message-ID":"<afCnqFEBq7gUUSiY@yuki.lan>","References":"<20260423023141.28151-1-wegao@suse.com>\n <69f06fd0.df0a0220.166db9.9ddc@mx.google.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<69f06fd0.df0a0220.166db9.9ddc@mx.google.com>","X-Rspamd-Action":"no action","X-Rspamd-Server":"rspamd2.dmz-prg2.suse.org","X-Spamd-Result":"default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n NEURAL_HAM_LONG(-1.00)[-1.000];\n R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>"}},{"id":3683446,"web_url":"http://patchwork.ozlabs.org/comment/3683446/","msgid":"<69f0affa.df0a0220.2b5a5d.a0ef@mx.google.com>","list_archive_url":null,"date":"2026-04-28T13:02:49","subject":"Re: [LTP] [PATCH v1] cve: icmp_rate_limit: set icmp_msgs_burst\n within network namespace","submitter":{"id":82886,"url":"http://patchwork.ozlabs.org/api/people/82886/","name":"Andrea Cervesato","email":"andrea.cervesato@suse.com"},"content":"Merged, Thanks!\n\n--\nAndrea Cervesato\nSUSE QE Automation Engineer Linux\nandrea.cervesato@suse.com","headers":{"Return-Path":"<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=lists.linux.it header.i=@lists.linux.it\n header.a=rsa-sha256 header.s=picard header.b=l1etv+Ui;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256\n header.s=google header.b=FH6465HH;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=213.254.12.146; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" <ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>"}},{"id":3684013,"web_url":"http://patchwork.ozlabs.org/comment/3684013/","msgid":"<c2b69cba-51ca-4c44-99c3-f1a490d34eb2@suse.cz>","list_archive_url":null,"date":"2026-04-29T11:45:39","subject":"Re: [LTP] [PATCH v1] cve: icmp_rate_limit: set icmp_msgs_burst\n within network namespace","submitter":{"id":77472,"url":"http://patchwork.ozlabs.org/api/people/77472/","name":"Martin Doucha","email":"mdoucha@suse.cz"},"content":"On 4/28/26 14:27, Cyril Hrubis wrote:\n> Hi!\n>> Reviwed-by: Andrea Cervesato <andrea.cervesato@suse.com>\n>>\n>> Ping @Cyril\n> \n> It took me while to realize that it's the child namespace that generates\n> the errors and I also checked that the ratelimiting in kernel is per net\n> namespace. Anyways:\n\nHi,\nicmp_msgs_burst sysfile was added into non-root namespaces only in \nkernel v6.12. The test now fails in setup() on any older kernel. I'll \nsend a patch to override the global value first and then conditionally \noverride namespace as well.","headers":{"Return-Path":"<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>","X-Original-To":["incoming@patchwork.ozlabs.org","ltp@lists.linux.it"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","ltp@picard.linux.it"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=oh2vspBR;\n\tdkim=fail reason=\"signature verification failed\" header.d=suse.cz\n header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519\n header.b=ax6Orjze;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key)\n header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa\n header.b=DBj+P/2X;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=/P/rAPJC;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.it\n (client-ip=2001:1418:10:5::2; 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