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GET /api/patches/2217026/?format=api
{ "id": 2217026, "url": "http://patchwork.ozlabs.org/api/patches/2217026/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/patch/20260327160157.76906-1-rbranco@suse.de/", "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": "<20260327160157.76906-1-rbranco@suse.de>", "list_archive_url": null, "date": "2026-03-27T16:01:55", "name": "[v3] userfaultfd: Minor fixes", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "6598c157be9efee37b5c70e23b895f2610084db9", "submitter": { "id": 92484, "url": "http://patchwork.ozlabs.org/api/people/92484/?format=api", "name": "Ricardo Branco", "email": "rbranco@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ltp/patch/20260327160157.76906-1-rbranco@suse.de/mbox/", "series": [ { "id": 497788, "url": "http://patchwork.ozlabs.org/api/series/497788/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ltp/list/?series=497788", "date": "2026-03-27T16:01:55", "name": "[v3] userfaultfd: Minor fixes", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/497788/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217026/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2217026/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=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) 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<ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it>" }, "content": "- Use POSIX semantics for thread function\n- Set cleanup to call reset_pages\n\nSigned-off-by: Ricardo Branco <rbranco@suse.de>\nReviewed-by: Petr Vorel <pvorel@suse.cz>\n---\n .../kernel/syscalls/userfaultfd/userfaultfd01.c | 13 ++++++++++---\n .../kernel/syscalls/userfaultfd/userfaultfd02.c | 13 ++++++++++---\n .../kernel/syscalls/userfaultfd/userfaultfd03.c | 15 +++++++++++----\n .../kernel/syscalls/userfaultfd/userfaultfd04.c | 8 ++++++--\n .../kernel/syscalls/userfaultfd/userfaultfd05.c | 12 ++++++++----\n .../kernel/syscalls/userfaultfd/userfaultfd06.c | 4 ++--\n 6 files changed, 47 insertions(+), 18 deletions(-)", "diff": "diff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd01.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd01.c\nindex 7368d3863..c3a37370e 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd01.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd01.c\n@@ -53,11 +53,17 @@ static void set_pages(void)\n \n static void reset_pages(void)\n {\n-\tSAFE_MUNMAP(page, page_size);\n-\tSAFE_MUNMAP(copy_page, page_size);\n+\tif (page) {\n+\t\tSAFE_MUNMAP(page, page_size);\n+\t\tpage = NULL;\n+\t}\n+\tif (copy_page) {\n+\t\tSAFE_MUNMAP(copy_page, page_size);\n+\t\tcopy_page = NULL;\n+\t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_copy uffdio_copy = {};\n@@ -129,4 +135,5 @@ static struct tst_test test = {\n \t.setup = setup,\n \t.test = run,\n \t.tcnt = ARRAY_SIZE(tcases),\n+\t.cleanup = reset_pages,\n };\ndiff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd02.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd02.c\nindex 2fd5ba5d8..7450c443b 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd02.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd02.c\n@@ -32,11 +32,17 @@ static void set_pages(void)\n \n static void reset_pages(void)\n {\n-\tSAFE_MUNMAP(page, page_size);\n-\tSAFE_MUNMAP(move_page, page_size);\n+\tif (page) {\n+\t\tSAFE_MUNMAP(page, page_size);\n+\t\tpage = NULL;\n+\t}\n+\tif (move_page) {\n+\t\tSAFE_MUNMAP(move_page, page_size);\n+\t\tmove_page = NULL;\n+\t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_move uffdio_move = {};\n@@ -94,4 +100,5 @@ static void run(void)\n static struct tst_test test = {\n \t.test_all = run,\n \t.min_kver = \"6.8\",\n+\t.cleanup = reset_pages,\n };\ndiff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd03.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd03.c\nindex b65f39eca..727e551f6 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd03.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd03.c\n@@ -57,11 +57,17 @@ static void set_pages(void)\n \n static void reset_pages(void)\n {\n-\tSAFE_MUNMAP(page, page_size);\n-\tSAFE_MUNMAP(copy_page, page_size);\n+\tif (page) {\n+\t\tSAFE_MUNMAP(page, page_size);\n+\t\tpage = NULL;\n+\t}\n+\tif (copy_page) {\n+\t\tSAFE_MUNMAP(copy_page, page_size);\n+\t\tcopy_page = NULL;\n+\t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_copy uffdio_copy = {};\n@@ -132,5 +138,6 @@ static struct tst_test test = {\n \t.needs_kconfigs = (const char *[]) {\n \t\t\"CONFIG_USERFAULTFD=y\",\n \t\tNULL\n-\t}\n+\t},\n+\t.cleanup = reset_pages,\n };\ndiff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd04.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd04.c\nindex 4eb811e45..3273d20cb 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd04.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd04.c\n@@ -30,10 +30,13 @@ static void set_pages(void)\n \n static void reset_pages(void)\n {\n-\tSAFE_MUNMAP(page, page_size);\n+\tif (page) {\n+\t\tSAFE_MUNMAP(page, page_size);\n+\t\tpage = NULL;\n+\t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_zeropage uffdio_zeropage = {};\n@@ -98,4 +101,5 @@ static void run(void)\n \n static struct tst_test test = {\n \t.test_all = run,\n+\t.cleanup = reset_pages,\n };\ndiff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c\nindex e25a227cf..eadb2f8c3 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd05.c\n@@ -33,10 +33,13 @@ static void set_pages(void)\n \n static void reset_pages(void)\n {\n-\tSAFE_MUNMAP(page, page_size);\n+\tif (page) {\n+\t\tSAFE_MUNMAP(page, page_size);\n+\t\tpage = NULL;\n+\t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_writeprotect uffdio_writeprotect = {};\n@@ -53,7 +56,7 @@ static void *handle_thread(void)\n \tSAFE_READ(1, uffd, &msg, sizeof(msg));\n \n \tif (msg.event != UFFD_EVENT_PAGEFAULT)\n-\t\ttst_brk(TFAIL, \"Received unexpected UFFD_EVENT %d\", msg.event);\n+\t\ttst_brk(TFAIL | TERRNO, \"Received unexpected UFFD_EVENT %d\", msg.event);\n \n \tif (!(msg.arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WP) ||\n \t !(msg.arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WRITE)) {\n@@ -127,5 +130,6 @@ static struct tst_test test = {\n \t.needs_kconfigs = (const char *[]) {\n \t\t\"CONFIG_HAVE_ARCH_USERFAULTFD_WP=y\",\n \t\tNULL\n-\t}\n+\t},\n+\t.cleanup = reset_pages,\n };\ndiff --git a/testcases/kernel/syscalls/userfaultfd/userfaultfd06.c b/testcases/kernel/syscalls/userfaultfd/userfaultfd06.c\nindex 5b1252c35..bc12bc5f2 100644\n--- a/testcases/kernel/syscalls/userfaultfd/userfaultfd06.c\n+++ b/testcases/kernel/syscalls/userfaultfd/userfaultfd06.c\n@@ -58,7 +58,7 @@ static void reset_pages(void)\n \t}\n }\n \n-static void *handle_thread(void)\n+static void *handle_thread(void *arg LTP_ATTRIBUTE_UNUSED)\n {\n \tstatic struct uffd_msg msg;\n \tstruct uffdio_poison uffdio_poison = {};\n@@ -74,7 +74,7 @@ static void *handle_thread(void)\n \tSAFE_READ(1, uffd, &msg, sizeof(msg));\n \n \tif (msg.event != UFFD_EVENT_PAGEFAULT)\n-\t\ttst_brk(TFAIL, \"Received unexpected UFFD_EVENT %d\", msg.event);\n+\t\ttst_brk(TFAIL | TERRNO, \"Received unexpected UFFD_EVENT %d\", msg.event);\n \n \ttst_atomic_store(1, &poison_fault_seen);\n \n", "prefixes": [ "v3" ] }