{"id":2223331,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2223331/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/patch/20260415044641.97806-1-avinesh.kumar@suse.com/","project":{"id":59,"url":"http://patchwork.ozlabs.org/api/1.2/projects/59/?format=json","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":"<20260415044641.97806-1-avinesh.kumar@suse.com>","list_archive_url":null,"date":"2026-04-15T04:46:36","name":"ima_kexec.sh: Use %s in printf to prevent evaluating cmdline backslashes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"81580a17c1eef5cf73e9f61e2d689948d99e00db","submitter":{"id":88126,"url":"http://patchwork.ozlabs.org/api/1.2/people/88126/?format=json","name":"Avinesh Kumar","email":"avinesh.kumar@suse.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ltp/patch/20260415044641.97806-1-avinesh.kumar@suse.com/mbox/","series":[{"id":499916,"url":"http://patchwork.ozlabs.org/api/1.2/series/499916/?format=json","web_url":"http://patchwork.ozlabs.org/project/ltp/list/?series=499916","date":"2026-04-15T04:46:36","name":"ima_kexec.sh: Use %s in printf to prevent evaluating cmdline backslashes","version":1,"mbox":"http://patchwork.ozlabs.org/series/499916/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223331/comments/","check":"warning","checks":"http://patchwork.ozlabs.org/api/patches/2223331/checks/","tags":{},"related":[],"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=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=XkwLljPc;\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=YyENI6yX;\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\" "},"content":"On systemd-boot systems, the kernel command line contains EFI paths\nwith backslashes (e.g., `initrd=\\opensuse...\\6.19...`).\n\nWriting this to a file using `printf \"$cmdline\"` inadvertently evaluates\nthese backslashes as escape sequences, corrupting the expected digest\nand causing a false test failure:\n\n + printf 'initrd=\\opensuse-tumbleweed\\6.19.11-1-default\\initrd-...'\n + cat -v file1\n initrd=\\opensuse-tumbleweed^F.19.11-1-default\\initrd-...\n\n ima_kexec 1 TINFO: testing kexec -s -l /boot/Image-6.19.11-1-default --reuse-cmdline\n ima_kexec 1 TFAIL: unable to find a correct measurement\n\nFix this by using `printf \"%s\" \"$cmdline\"` to ensure the command line\nis treated as literal data.\n\nSigned-off-by: Avinesh Kumar \n---\n testcases/kernel/security/integrity/ima/tests/ima_kexec.sh | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/testcases/kernel/security/integrity/ima/tests/ima_kexec.sh b/testcases/kernel/security/integrity/ima/tests/ima_kexec.sh\nindex 4732df653..bbc82f30c 100755\n--- a/testcases/kernel/security/integrity/ima/tests/ima_kexec.sh\n+++ b/testcases/kernel/security/integrity/ima/tests/ima_kexec.sh\n@@ -24,7 +24,7 @@ measure()\n \tlocal cmdline=\"$1\"\n \tlocal algorithm digest expected_digest found\n \n-\tprintf \"$cmdline\" > file1\n+\tprintf \"%s\" \"$cmdline\" > file1\n \tgrep \"kexec-cmdline\" $ASCII_MEASUREMENTS > file2\n \n \twhile read found\n","prefixes":[]}