[{"id":3681781,"web_url":"http://patchwork.ozlabs.org/comment/3681781/","msgid":"<aesL6YSphAi5vJbO@linux.dev>","list_archive_url":null,"date":"2026-04-24T06:21:29","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":93238,"url":"http://patchwork.ozlabs.org/api/people/93238/","name":"Li Wang","email":"li.wang@linux.dev"},"content":"Hi Petr, Wei,\n\nPetr Vorel wrote:\n\n> Kernel commit ab89060fbc92e (\"pidfs: return -EREMOTE when PIDFD_GET_INFO\n> is called on another ns\") from v7.0 was backported into stable/LTS\n> kernels v6.18.14 (7446125afb6d9) and v6.19.10 (2920abaf56c09).\n\nIs this backport just a single stable kernel or a range of version?\n\n> Reported-by: Wei Gao <wegao@suse.com>\n> Signed-off-by: Petr Vorel <pvorel@suse.cz>\n> ---\n>  testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c | 2 +-\n>  1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> index 0f24d4741f..cc66d54cf4 100644\n> --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> @@ -54,7 +54,7 @@ static void setup(void)\n>  \tif (!ioctl_pidfd_info_exit_supported())\n>  \t\ttst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n>  \n> -\tif (tst_kvercmp(7, 0, 0) >= 0)\n> +\tif (tst_kvercmp(6, 18, 14) >= 0)\n\nWhat will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?","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=linux.dev header.i=@linux.dev header.a=rsa-sha256\n header.s=key1 header.b=lDgbh4eQ;\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; 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 [IPv6:2001:1418:10:5::2])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g22t35802z1yD5\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 24 Apr 2026 16:21:47 +1000 (AEST)","from picard.linux.it (localhost [IPv6:::1])\n\tby picard.linux.it (Postfix) with ESMTP id D4A4F3E2583\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 24 Apr 2026 08:21:44 +0200 (CEST)","from in-6.smtp.seeweb.it (in-6.smtp.seeweb.it [217.194.8.6])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature ECDSA (secp384r1))\n (No client certificate requested)\n by picard.linux.it (Postfix) with ESMTPS id E458B3C0E3B\n for <ltp@lists.linux.it>; Fri, 24 Apr 2026 08:21:41 +0200 (CEST)","from out-179.mta0.migadu.com (out-179.mta0.migadu.com\n [91.218.175.179])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by in-6.smtp.seeweb.it (Postfix) with ESMTPS id 0533B14002BB\n for <ltp@lists.linux.it>; Fri, 24 Apr 2026 08:21:40 +0200 (CEST)"],"Date":"Fri, 24 Apr 2026 14:21:29 +0800","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1;\n t=1777011699;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=kno3dAGd7L7ePiTsr3tKd/3a7YpLpEJ1WbaZrc4XJc0=;\n b=lDgbh4eQj9kKJSeNiye+KQHAx/qYb65zGTT8pHmKc6baATJeUF1s7+FCzEiRtnW3hd7LSo\n 4OcKgVbIIBaHLMGhGIHaUIdUoGYpkni/snOAMvnRUGgIAguP50bhG7RoMws2rdGhe9+rt5\n hfSDW6MRdZrjL7Zda38OLXDe0O59XJk=","X-Report-Abuse":"Please report any abuse attempt to abuse@migadu.com and\n include these headers.","From":"Li Wang <li.wang@linux.dev>","To":"Petr Vorel <pvorel@suse.cz>","Message-ID":"<aesL6YSphAi5vJbO@linux.dev>","Mail-Followup-To":"Petr Vorel <pvorel@suse.cz>, ltp@lists.linux.it","References":"<20260424060543.462475-1-pvorel@suse.cz>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20260424060543.462475-1-pvorel@suse.cz>","X-Migadu-Flow":"FLOW_OUT","X-Spam-Status":"No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,\n DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS shortcircuit=no\n autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on in-6.smtp.seeweb.it","X-Virus-Scanned":"clamav-milter 1.0.9 at in-6.smtp.seeweb.it","X-Virus-Status":"Clean","Subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","X-BeenThere":"ltp@lists.linux.it","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"Linux Test Project <ltp.lists.linux.it>","List-Unsubscribe":"<https://lists.linux.it/options/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=unsubscribe>","List-Archive":"<http://lists.linux.it/pipermail/ltp/>","List-Post":"<mailto:ltp@lists.linux.it>","List-Help":"<mailto:ltp-request@lists.linux.it?subject=help>","List-Subscribe":"<https://lists.linux.it/listinfo/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=subscribe>","Cc":"ltp@lists.linux.it","Content-Type":"text/plain; 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":3681787,"web_url":"http://patchwork.ozlabs.org/comment/3681787/","msgid":"<20260424063132.GE462697@pevik>","list_archive_url":null,"date":"2026-04-24T06:31:32","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":70792,"url":"http://patchwork.ozlabs.org/api/people/70792/","name":"Petr Vorel","email":"pvorel@suse.cz"},"content":"Hi Li,\n\n[ Discussion => Cc Cyril and Jan ]\n\n> Hi Petr, Wei,\n\n> Petr Vorel wrote:\n\n> > Kernel commit ab89060fbc92e (\"pidfs: return -EREMOTE when PIDFD_GET_INFO\n> > is called on another ns\") from v7.0 was backported into stable/LTS\n> > kernels v6.18.14 (7446125afb6d9) and v6.19.10 (2920abaf56c09).\n\n> Is this backport just a single stable kernel or a range of version?\n\nIt was backported into 6.18 stable (in v6.18.14) and in 6.19 (in v6.19.10).\n\n> > Reported-by: Wei Gao <wegao@suse.com>\n> > Signed-off-by: Petr Vorel <pvorel@suse.cz>\n> > ---\n> >  testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c | 2 +-\n> >  1 file changed, 1 insertion(+), 1 deletion(-)\n\n> > diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > index 0f24d4741f..cc66d54cf4 100644\n> > --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > @@ -54,7 +54,7 @@ static void setup(void)\n> >  \tif (!ioctl_pidfd_info_exit_supported())\n> >  \t\ttst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n\n> > -\tif (tst_kvercmp(7, 0, 0) >= 0)\n> > +\tif (tst_kvercmp(6, 18, 14) >= 0)\n\n> What will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?\n\nFYI I haven't tested that, but it should fail on 6.18.0..v6.18.13 and on\nv6.19.0..v6.19.9 due missing backport.\n\nI'd assume that's correct, because on stable/LTS we should IMHO be more strict\nto ensure it behaves as expected. WDYT?\n\nKind regards,\nPetr","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=R19XU+ps;\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=459ERU6D;\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=R19XU+ps;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=459ERU6D;\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":3681806,"web_url":"http://patchwork.ozlabs.org/comment/3681806/","msgid":"<aesWy5_fBdPNzvle@linux.dev>","list_archive_url":null,"date":"2026-04-24T07:07:55","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":93238,"url":"http://patchwork.ozlabs.org/api/people/93238/","name":"Li Wang","email":"li.wang@linux.dev"},"content":"> > > --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > @@ -54,7 +54,7 @@ static void setup(void)\n> > >  \tif (!ioctl_pidfd_info_exit_supported())\n> > >  \t\ttst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n> \n> > > -\tif (tst_kvercmp(7, 0, 0) >= 0)\n> > > +\tif (tst_kvercmp(6, 18, 14) >= 0)\n> \n> > What will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?\n> \n> FYI I haven't tested that, but it should fail on 6.18.0..v6.18.13 and on\n> v6.19.0..v6.19.9 due missing backport.\n> \n> I'd assume that's correct, because on stable/LTS we should IMHO be more strict\n> to ensure it behaves as expected. WDYT?\n\nHmm, maybe that's acceptable. Or just:\n\n  if ((tst_kvercmp(6, 18, 14) == 0 || \n       tst_kvercmp(6, 19, 10) == 0) ||\n       tst_kvercmp(7, 0, 0) >= 0)\n\nAnd it'd be great to have Jan's comments, he is an expert in\nthe kernel maintenance area:).","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=linux.dev header.i=@linux.dev header.a=rsa-sha256\n header.s=key1 header.b=eUDJMqfE;\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 4g23vc2vB5z1yD5\n\tfor <incoming@patchwork.ozlabs.org>; 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a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1;\n t=1777014481;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=PTlXYIppQeifMJSzpkIaUIkr5rkNGsaEb5utNlmfQqY=;\n b=eUDJMqfEdDj3eRjtz6s5HoUhzC/BBOUSQSGkWzRG8FgqwqFQYpPqB6NMpj3hPAcZ7abCBV\n NXHB+Ox49JZIjFlhyYJ9sXGK6aNEAQ/9+8xDxvwerm1r+Dz8w+jV0PNTrMnZisqQExs5Uo\n UlT11YY1IrXSKQMfNnkNmq4fAOLAkCY=","X-Report-Abuse":"Please report any abuse attempt to abuse@migadu.com and\n include these headers.","From":"Li Wang <li.wang@linux.dev>","To":"Petr Vorel <pvorel@suse.cz>, Jan Stancek <jstancek@redhat.com>","Message-ID":"<aesWy5_fBdPNzvle@linux.dev>","Mail-Followup-To":"Petr Vorel <pvorel@suse.cz>,\n Jan Stancek <jstancek@redhat.com>, ltp@lists.linux.it,\n Cyril Hrubis <chrubis@suse.cz>, Wei Gao <wegao@suse.com>","References":"<20260424060543.462475-1-pvorel@suse.cz>\n <aesL6YSphAi5vJbO@linux.dev> <20260424063132.GE462697@pevik>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20260424063132.GE462697@pevik>","X-Migadu-Flow":"FLOW_OUT","X-Spam-Status":"No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,\n DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS shortcircuit=no\n autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on in-6.smtp.seeweb.it","X-Virus-Scanned":"clamav-milter 1.0.9 at in-6.smtp.seeweb.it","X-Virus-Status":"Clean","Subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","X-BeenThere":"ltp@lists.linux.it","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"Linux Test Project <ltp.lists.linux.it>","List-Unsubscribe":"<https://lists.linux.it/options/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=unsubscribe>","List-Archive":"<http://lists.linux.it/pipermail/ltp/>","List-Post":"<mailto:ltp@lists.linux.it>","List-Help":"<mailto:ltp-request@lists.linux.it?subject=help>","List-Subscribe":"<https://lists.linux.it/listinfo/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=subscribe>","Cc":"ltp@lists.linux.it","Content-Type":"text/plain; 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":3681822,"web_url":"http://patchwork.ozlabs.org/comment/3681822/","msgid":"<CAASaF6xiLDa_uOKkG2=aVhysnbKNCT-H_PiFYFt5=889g1K74Q@mail.gmail.com>","list_archive_url":null,"date":"2026-04-24T07:33:55","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":61430,"url":"http://patchwork.ozlabs.org/api/people/61430/","name":"Jan Stancek","email":"jstancek@redhat.com"},"content":"On Fri, Apr 24, 2026 at 9:13 AM Li Wang <li.wang@linux.dev> wrote:\n>\n> > > > --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > @@ -54,7 +54,7 @@ static void setup(void)\n> > > >   if (!ioctl_pidfd_info_exit_supported())\n> > > >           tst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n> >\n> > > > - if (tst_kvercmp(7, 0, 0) >= 0)\n> > > > + if (tst_kvercmp(6, 18, 14) >= 0)\n> >\n> > > What will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?\n> >\n> > FYI I haven't tested that, but it should fail on 6.18.0..v6.18.13 and on\n> > v6.19.0..v6.19.9 due missing backport.\n> >\n> > I'd assume that's correct, because on stable/LTS we should IMHO be more strict\n> > to ensure it behaves as expected. WDYT?\n>\n> Hmm, maybe that's acceptable. Or just:\n>\n>   if ((tst_kvercmp(6, 18, 14) == 0 ||\n>        tst_kvercmp(6, 19, 10) == 0) ||\n>        tst_kvercmp(7, 0, 0) >= 0)\n>\n> And it'd be great to have Jan's comments, he is an expert in\n> the kernel maintenance area:).\n\nehm, not sure about that :-).\n\nThis is change in error code, we didn't treat previous value as error for older\nreleases, so why do that now? I don't see it covered in man pages (yet),\nso why be strict?\n\nI think the patch should either use more specific version ranges or\nallow both errnos on versions <= 7.0.0.","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=lzbjimFq;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=CuXAqSHH;\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; 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 [IPv6:2001:1418:10:5::2])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g24Tw29Hwz1yDD\n\tfor <incoming@patchwork.ozlabs.org>; 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Fri, 24 Apr 2026\n 00:34:13 -0700 (PDT)"],"MIME-Version":"1.0","References":"<20260424060543.462475-1-pvorel@suse.cz>\n <aesL6YSphAi5vJbO@linux.dev>\n <20260424063132.GE462697@pevik> <aesWy5_fBdPNzvle@linux.dev>","In-Reply-To":"<aesWy5_fBdPNzvle@linux.dev>","Date":"Fri, 24 Apr 2026 09:33:55 +0200","X-Gm-Features":"AQROBzDMM0Jv3S4GJYVb5lGRRpywuVXqTC8HYHq8uR0je6nNYxl4MKJ9qxVhMg8","Message-ID":"\n <CAASaF6xiLDa_uOKkG2=aVhysnbKNCT-H_PiFYFt5=889g1K74Q@mail.gmail.com>","To":"Petr Vorel <pvorel@suse.cz>, Jan Stancek <jstancek@redhat.com>,\n ltp@lists.linux.it,\n Cyril Hrubis <chrubis@suse.cz>, Wei Gao <wegao@suse.com>","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"yxZxGECWvtNJVny1R3e3xLcUpBfosHiT6SK_IjBEbZk_1777016054","X-Mimecast-Originator":"redhat.com","X-Spam-Status":"No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID,\n DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS shortcircuit=no\n autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on in-4.smtp.seeweb.it","X-Virus-Scanned":"clamav-milter 1.0.9 at in-4.smtp.seeweb.it","X-Virus-Status":"Clean","Subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","X-BeenThere":"ltp@lists.linux.it","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"Linux Test Project <ltp.lists.linux.it>","List-Unsubscribe":"<https://lists.linux.it/options/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=unsubscribe>","List-Archive":"<http://lists.linux.it/pipermail/ltp/>","List-Post":"<mailto:ltp@lists.linux.it>","List-Help":"<mailto:ltp-request@lists.linux.it?subject=help>","List-Subscribe":"<https://lists.linux.it/listinfo/ltp>,\n <mailto:ltp-request@lists.linux.it?subject=subscribe>","From":"Jan Stancek via ltp <ltp@lists.linux.it>","Reply-To":"Jan Stancek <jstancek@redhat.com>","Content-Type":"text/plain; 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":3681845,"web_url":"http://patchwork.ozlabs.org/comment/3681845/","msgid":"<aesjzYw1HVynrVTy@autotest-wegao.qe.prg2.suse.org>","list_archive_url":null,"date":"2026-04-24T08:03:25","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":85577,"url":"http://patchwork.ozlabs.org/api/people/85577/","name":"Wei Gao","email":"wegao@suse.com"},"content":"On Fri, Apr 24, 2026 at 09:33:55AM +0200, Jan Stancek wrote:\n> On Fri, Apr 24, 2026 at 9:13 AM Li Wang <li.wang@linux.dev> wrote:\n> >\n> > > > > --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > > +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > > @@ -54,7 +54,7 @@ static void setup(void)\n> > > > >   if (!ioctl_pidfd_info_exit_supported())\n> > > > >           tst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n> > >\n> > > > > - if (tst_kvercmp(7, 0, 0) >= 0)\n> > > > > + if (tst_kvercmp(6, 18, 14) >= 0)\n> > >\n> > > > What will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?\n> > >\n> > > FYI I haven't tested that, but it should fail on 6.18.0..v6.18.13 and on\n> > > v6.19.0..v6.19.9 due missing backport.\n> > >\n> > > I'd assume that's correct, because on stable/LTS we should IMHO be more strict\n> > > to ensure it behaves as expected. WDYT?\n> >\n> > Hmm, maybe that's acceptable. Or just:\n> >\n> >   if ((tst_kvercmp(6, 18, 14) == 0 ||\n> >        tst_kvercmp(6, 19, 10) == 0) ||\n> >        tst_kvercmp(7, 0, 0) >= 0)\n> >\n> > And it'd be great to have Jan's comments, he is an expert in\n> > the kernel maintenance area:).\n> \n> ehm, not sure about that :-).\n> \n> This is change in error code, we didn't treat previous value as error for older\n> releases, so why do that now? I don't see it covered in man pages (yet),\n> so why be strict?\n> \n> I think the patch should either use more specific version ranges or\n> allow both errnos on versions <= 7.0.0.\n> \n\nI agree, i prefer use my patch :)\nhttps://patchwork.ozlabs.org/project/ltp/patch/20260406023538.14739-1-wegao@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=nCSQzlO+;\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=Xtt/NUZo;\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=\"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":3681850,"web_url":"http://patchwork.ozlabs.org/comment/3681850/","msgid":"<20260424080912.4039-1-linuxtestproject.agent@gmail.com>","list_archive_url":null,"date":"2026-04-24T08:09:12","subject":"Re: [LTP] ioctl_pidfd06: Update kernel version","submitter":{"id":93132,"url":"http://patchwork.ozlabs.org/api/people/93132/","name":null,"email":"linuxtestproject.agent@gmail.com"},"content":"Hi Petr,\n\nOn 2026-04-24, Petr Vorel wrote:\n> ioctl_pidfd06: Update kernel version\n\n> -\tif (tst_kvercmp(7, 0, 0) >= 0)\n> +\tif (tst_kvercmp(6, 18, 14) >= 0)\n>  \t\terr_nr = EREMOTE;\n\ntst_kvercmp(6, 18, 14) >= 0 is too broad: because tst_kvercmp compares\n(major, minor, patch) as ordered integers, it evaluates true for all\nv6.19.x, including v6.19.0-v6.19.9 which do not carry the backport\n(which landed in v6.19.10). Those kernels would see a false EREMOTE\nexpectation and TFAIL.\n\nThe check needs to handle both stable branches independently, e.g.:\n\n\tif (tst_kvercmp(7, 0, 0) >= 0 ||\n\t    (tst_kvercmp(6, 18, 14) >= 0 && tst_kvercmp(6, 19, 0) < 0) ||\n\t    tst_kvercmp(6, 19, 10) >= 0)\n\t\terr_nr = EREMOTE;\n\nAlso, since this corrects a bug (TFAIL on kernels with the backport),\nplease add a Fixes: tag referencing the commit that introduced the\noriginal tst_kvercmp(7, 0, 0) check.\n\n---\nNote:\n\nOur agent completed the review of the patch. The full review can be\nfound at: https://github.com/linux-test-project/ltp-agent/actions/runs/24879016987\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=RUJEN7qk;\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 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g25GG3Dtrz1yD5\n\tfor <incoming@patchwork.ozlabs.org>; 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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":3681927,"web_url":"http://patchwork.ozlabs.org/comment/3681927/","msgid":"<20260424095900.GA500158@pevik>","list_archive_url":null,"date":"2026-04-24T09:59:00","subject":"Re: [LTP] [PATCH 1/1] ioctl_pidfd06: Update kernel version","submitter":{"id":70792,"url":"http://patchwork.ozlabs.org/api/people/70792/","name":"Petr Vorel","email":"pvorel@suse.cz"},"content":"Hi all,\n\nfirst, thanks for a review!\n\n> On Fri, Apr 24, 2026 at 9:13 AM Li Wang <li.wang@linux.dev> wrote:\n\n> > > > > --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > > +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd06.c\n> > > > > @@ -54,7 +54,7 @@ static void setup(void)\n> > > > >   if (!ioctl_pidfd_info_exit_supported())\n> > > > >           tst_brk(TCONF, \"PIDFD_INFO_EXIT is not supported by ioctl()\");\n\n> > > > > - if (tst_kvercmp(7, 0, 0) >= 0)\n> > > > > + if (tst_kvercmp(6, 18, 14) >= 0)\n\n> > > > What will happen if this test is run on kernel range: v6.19.0 ~ v6.19.9?\n\n> > > FYI I haven't tested that, but it should fail on 6.18.0..v6.18.13 and on\n> > > v6.19.0..v6.19.9 due missing backport.\n\n> > > I'd assume that's correct, because on stable/LTS we should IMHO be more strict\n> > > to ensure it behaves as expected. WDYT?\n\n> > Hmm, maybe that's acceptable. Or just:\n\n> >   if ((tst_kvercmp(6, 18, 14) == 0 ||\n'==' I guess you mean '>=', this would not work on v6.18.15..v6.18.24\n\n> >        tst_kvercmp(6, 19, 10) == 0) ||\n'==': although 6.19.14 is EOL, that might change.\n\n> >        tst_kvercmp(7, 0, 0) >= 0)\n\nBefore sending I was thinking about:\n\nif ((tst_kvercmp(6, 19, 10) >= 0) ||\n    (tst_kvercmp(6, 18, 14) >= 0 && tst_kvercmp(6, 19, 0) < 0)\n\nBecause the only version which should be avoided is v6.19.0..v6.19.9.\nI can send v2.\n\n> > And it'd be great to have Jan's comments, he is an expert in\n> > the kernel maintenance area:).\n\n> ehm, not sure about that :-).\n\n> This is change in error code, we didn't treat previous value as error for older\n> releases, so why do that now? I don't see it covered in man pages (yet),\n> so why be strict?\n\n> I think the patch should either use more specific version ranges or\n> allow both errnos on versions <= 7.0.0.\n\nFYI Wei's approach was not to be strict:\nhttps://patchwork.ozlabs.org/project/ltp/patch/20260424060543.462475-1-pvorel@suse.cz/\n\nI did not supersede it (somebody did), feel free to ack this approach (and I\nwill not send v2).\n\nKind regards,\nPetr","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=zIse+R73;\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=h2kKIPeV;\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=s4oPg8Cs;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=b3d3ruB4;\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=\"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":3681930,"web_url":"http://patchwork.ozlabs.org/comment/3681930/","msgid":"<20260424100133.GB500158@pevik>","list_archive_url":null,"date":"2026-04-24T10:01:33","subject":"Re: [LTP] ioctl_pidfd06: Update kernel version","submitter":{"id":70792,"url":"http://patchwork.ozlabs.org/api/people/70792/","name":"Petr Vorel","email":"pvorel@suse.cz"},"content":"> Hi Petr,\n\n> On 2026-04-24, Petr Vorel wrote:\n> > ioctl_pidfd06: Update kernel version\n\n> > -\tif (tst_kvercmp(7, 0, 0) >= 0)\n> > +\tif (tst_kvercmp(6, 18, 14) >= 0)\n> >  \t\terr_nr = EREMOTE;\n\n> tst_kvercmp(6, 18, 14) >= 0 is too broad: because tst_kvercmp compares\n> (major, minor, patch) as ordered integers, it evaluates true for all\n> v6.19.x, including v6.19.0-v6.19.9 which do not carry the backport\n> (which landed in v6.19.10). Those kernels would see a false EREMOTE\n> expectation and TFAIL.\n\n> The check needs to handle both stable branches independently, e.g.:\n\n> \tif (tst_kvercmp(7, 0, 0) >= 0 ||\n> \t    (tst_kvercmp(6, 18, 14) >= 0 && tst_kvercmp(6, 19, 0) < 0) ||\n> \t    tst_kvercmp(6, 19, 10) >= 0)\n> \t\terr_nr = EREMOTE;\n\nObviously tst_kvercmp(6, 19, 10) >= 0 will match also tst_kvercmp(7, 0, 0) >= 0,\ntherefore \"tst_kvercmp(7, 0, 0) >= 0\" is not needed.\n\nKind regards,\nPetr\n\n> Also, since this corrects a bug (TFAIL on kernels with the backport),\n> please add a Fixes: tag referencing the commit that introduced the\n> original tst_kvercmp(7, 0, 0) check.\n\nDo we want to add Fixes when original commit was correct?\n\nKind regards,\nPetr","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=SO898kID;\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=+6Ba4V9y;\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=SO898kID;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=+6Ba4V9y;\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":3681932,"web_url":"http://patchwork.ozlabs.org/comment/3681932/","msgid":"<20260424100234.GC500158@pevik>","list_archive_url":null,"date":"2026-04-24T10:02:34","subject":"Re: [LTP] ioctl_pidfd06: Update kernel version","submitter":{"id":70792,"url":"http://patchwork.ozlabs.org/api/people/70792/","name":"Petr Vorel","email":"pvorel@suse.cz"},"content":"...\n> > Also, since this corrects a bug (TFAIL on kernels with the backport),\n> > please add a Fixes: tag referencing the commit that introduced the\n> > original tst_kvercmp(7, 0, 0) check.\n\n> Do we want to add Fixes when original commit was correct?\n\nShouldn't be Follow-up: used?\n\nKind regards,\nPetr\n\n> Kind regards,\n> Petr","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=y+JEzW4g;\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=HyOFgs1o;\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=y+JEzW4g;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=HyOFgs1o;\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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