[{"id":3679940,"web_url":"http://patchwork.ozlabs.org/comment/3679940/","msgid":"<20260421151656.4042-1-linuxtestproject.agent@gmail.com>","list_archive_url":null,"date":"2026-04-21T15:16:56","subject":"Re: [LTP] close02: add test for double close EBADF","submitter":{"id":93132,"url":"http://patchwork.ozlabs.org/api/people/93132/","name":null,"email":"linuxtestproject.agent@gmail.com"},"content":"Hi Jinseok,\n\nOn Tue, 21 Apr 2026, Jinseok Kim wrote:\n> close02: add test for double close EBADF\n\nReviewed-by: LTP AI Reviewer \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/24730323743\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":"","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=r/iGPsDD;\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 4g0Qv81jjTz1yGt\n\tfor ; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it","Sender":"\"ltp\" "}},{"id":3680570,"web_url":"http://patchwork.ozlabs.org/comment/3680570/","msgid":"<20260422114126.GD402660@pevik>","list_archive_url":null,"date":"2026-04-22T11:41:26","subject":"Re: [LTP] [PATCH v5] close02: add test for double close EBADF","submitter":{"id":70792,"url":"http://patchwork.ozlabs.org/api/people/70792/","name":"Petr Vorel","email":"pvorel@suse.cz"},"content":"Hi Jinseok,\n\n> Verify that calling close() on an already closed file descriptor fails\n> with EBADF.\n\n> This test adds coverage for a common state transition case where a\n> previously valid file descriptor becomes invalid after close().\n\n> Signed-off-by: Jinseok Kim \n> ---\n> Changes in v5:\n> - Change file descriptor as static\nWell, I asked for static pointer.\n\n> - Link to v4 : https://lore.kernel.org/ltp/20260416125554.2920-1-always.starving0@gmail.com\n\n> Changes in v4:\n> - Remove enum, add fd/expected errno in tcases, and move preparation\n> to setup().\n> - Link to v3: https://lore.kernel.org/ltp/20260413165457.1349-1-always.starving0@gmail.com\n\n> Changes in v3:\n> - Add O_RDWR flag to SAFE_OPEN\n> - Link to v2: https://lore.kernel.org/ltp/20260411110405.7330-1-always.starving0@gmail.com\n\n> Changes in v2:\n> - Add additional test coverage to close02 instead of creating a separate\n> close03 test.\n> - Link to v1: https://lore.kernel.org/ltp/20260406133134.17238-2-always.starving0@gmail.com\n> ---\n> testcases/kernel/syscalls/close/close02.c | 37 ++++++++++++++++++++---\n> 1 file changed, 33 insertions(+), 4 deletions(-)\n\n> diff --git a/testcases/kernel/syscalls/close/close02.c b/testcases/kernel/syscalls/close/close02.c\n> index 617c48237..a48570d12 100644\n> --- a/testcases/kernel/syscalls/close/close02.c\n> +++ b/testcases/kernel/syscalls/close/close02.c\n> @@ -5,17 +5,46 @@\n> */\n\n> /*\\\n> - * Call close(-1) and expects it to return EBADF.\n> + * Verify :manpage:`close(2)` failure cases:\n> + *\n> + * 1) close(-1) returns EBADF.\n> + * 2) closing the same fd twice returns EBADF on the second call.\n> */\n\n> #include \n> +#include \n> +\n> #include \"tst_test.h\"\n\n> -static void run(void)\n> +static int fd_closed = -1;\n> +\n> +static struct tcase {\n> +\tconst char *desc;\n> +\tint fd;\n\nie instead of \"int fd\" define:\n\tint *fd;\n\n> +\tint exp_errno;\n> +} tcases[] = {\n> +\t{ \"close(-1)\", -1, EBADF },\n> +\t{ \"close same fd twice\", -1, EBADF },\n> +};\n> +\n> +static void verify_close(unsigned int i)\n> {\n> -\tTST_EXP_FAIL(close(-1), EBADF);\n> +\tstruct tcase *tc = &tcases[i];\n> +\n> +\tTST_EXP_FAIL(close(tc->fd), tc->exp_errno, \"%s\", tc->desc);\n> +}\n> +\n> +static void setup(void)\n> +{\n> +\tfd_closed = SAFE_OPEN(\"close02\", O_CREAT | O_RDWR, 0600);\n> +\n> +\tSAFE_CLOSE(fd_closed);\n> +\ttcases[1].fd = fd_closed;\n\nWe're getting there but not yet :). My point was not to assign file descriptor\nhere in the setup function, but above in tcases[] array. For that you need to\ndefine in struct tcases \"int *fd\" (i.e. pointer) instead of \"int fd\".\n\nI pointed in v4 testcases/kernel/syscalls/bind/bind01.c, which uses\nint *socket_fd, could you do it that way (use pointer)?\n\nKind regards,\nPetr","headers":{"Return-Path":"","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=xfgO0Jsc;\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=ukhr8jEo;\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=xfgO0Jsc;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=ukhr8jEo;\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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