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GET /api/patches/2223360/?format=api
{ "id": 2223360, "url": "http://patchwork.ozlabs.org/api/patches/2223360/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/patch/20260415060728.21662-2-wegao@suse.com/", "project": { "id": 59, "url": "http://patchwork.ozlabs.org/api/projects/59/?format=api", "name": "Linux Test Project development", "link_name": "ltp", "list_id": "ltp.lists.linux.it", "list_email": "ltp@lists.linux.it", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260415060728.21662-2-wegao@suse.com>", "list_archive_url": null, "date": "2026-04-15T06:07:16", "name": "[v6,1/2] lib: New library function tst_get_free_uid", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "5922c9562177c84a0f80be67393323111339f9b3", "submitter": { "id": 85577, "url": "http://patchwork.ozlabs.org/api/people/85577/?format=api", "name": "Wei Gao", "email": "wegao@suse.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ltp/patch/20260415060728.21662-2-wegao@suse.com/mbox/", "series": [ { "id": 499928, "url": "http://patchwork.ozlabs.org/api/series/499928/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/list/?series=499928", "date": "2026-04-15T06:07:15", "name": "open16: allow restricted O_CREAT of FIFOs and regular files", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/499928/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223360/comments/", "check": "warning", "checks": "http://patchwork.ozlabs.org/api/patches/2223360/checks/", "tags": {}, "related": [], "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=dkCE2GTf;\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=HE43BhHa;\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>" }, "content": "Signed-off-by: Wei Gao <wegao@suse.com>\n---\n include/tst_uid.h | 7 +++++--\n lib/tst_uid.c | 26 ++++++++++++++++++++++++++\n 2 files changed, 31 insertions(+), 2 deletions(-)", "diff": "diff --git a/include/tst_uid.h b/include/tst_uid.h\nindex 2237ddcbf..394cb3edc 100644\n--- a/include/tst_uid.h\n+++ b/include/tst_uid.h\n@@ -8,10 +8,13 @@\n #include <sys/types.h>\n \n /*\n- * Find unassigned gid. The skip argument can be used to ignore e.g. the main\n+ * Find unassigned uid/gid. The skip argument can be used to ignore e.g. the main\n * group of a specific user in case it's not listed in the group file. If you\n- * do not need to skip any specific gid, simply set it to 0.\n+ * do not need to skip any specific id, simply set it to 0.\n */\n+uid_t tst_get_free_uid_(const char *file, const int lineno, uid_t skip);\n+#define tst_get_free_uid(skip) tst_get_free_uid_(__FILE__, __LINE__, (skip))\n+\n gid_t tst_get_free_gid_(const char *file, const int lineno, gid_t skip);\n #define tst_get_free_gid(skip) tst_get_free_gid_(__FILE__, __LINE__, (skip))\n \ndiff --git a/lib/tst_uid.c b/lib/tst_uid.c\nindex af4ef8cf7..deff17085 100644\n--- a/lib/tst_uid.c\n+++ b/lib/tst_uid.c\n@@ -5,6 +5,7 @@\n \n #include <sys/types.h>\n #include <grp.h>\n+#include <pwd.h>\n #include <errno.h>\n \n #define TST_NO_DEFAULT_MAIN\n@@ -12,6 +13,31 @@\n #include \"tst_uid.h\"\n \n #define MAX_GID 32767\n+#define MAX_UID 32767\n+\n+uid_t tst_get_free_uid_(const char *file, const int lineno, uid_t skip)\n+{\n+\tuid_t ret;\n+\n+\terrno = 0;\n+\n+\tfor (ret = 1; ret < MAX_UID; ret++) {\n+\t\tif (ret == skip || getpwuid(ret))\n+\t\t\tcontinue;\n+\n+\t\tif (errno == 0 || errno == ENOENT || errno == ESRCH) {\n+\t\t\ttst_res_(file, lineno, TINFO | TERRNO,\n+\t\t\t\t\"Found unused UID %d\", (int)ret);\n+\t\t\treturn ret;\n+\t\t}\n+\n+\t\ttst_brk_(file, lineno, TBROK|TERRNO, \"User ID lookup failed\");\n+\t\treturn (uid_t)-1;\n+\t}\n+\n+\ttst_brk_(file, lineno, TBROK, \"No free user ID found\");\n+\treturn (uid_t)-1;\n+}\n \n gid_t tst_get_free_gid_(const char *file, const int lineno, gid_t skip)\n {\n", "prefixes": [ "v6", "1/2" ] }