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From: Andrea Cervesato <andrea.cervesato@suse.de>
To: Linux Test Project <ltp@lists.linux.it>
Subject: [LTP] [PATCH v6 2/3] lapi/prctl: add more fallback definitions
Date: Thu, 03 Sep 2026 09:26:36 +0200	[thread overview]
Message-ID: <20260903-cve-ghostlock-v6-2-a3272bb81e4d@suse.com> (raw)
In-Reply-To: <20260903-cve-ghostlock-v6-0-a3272bb81e4d@suse.com>

From: Andrea Cervesato <andrea.cervesato@suse.com>

Add the following fallback definitions:

- PR_SET_MM
- PR_SET_MM_MAP
- PR_SET_MM_MAP_SIZE
- struct prctl_mm_map

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 configure.ac         |  2 ++
 include/lapi/prctl.h | 26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/configure.ac b/configure.ac
index 19fc5e1b8..052b83e04 100644
--- a/configure.ac
+++ b/configure.ac
@@ -286,6 +286,8 @@ AC_CHECK_TYPES([struct fsxattr],,,[#include <linux/fs.h>])
 
 AC_CHECK_TYPES([struct logical_block_metadata_cap],,,[#include <linux/fs.h>])
 
+AC_CHECK_TYPES([struct prctl_mm_map],,,[#include <sys/prctl.h>])
+
 AC_CHECK_TYPES([struct sockaddr_vm],,,[
 #include <sys/socket.h>
 #include <linux/vm_sockets.h>
diff --git a/include/lapi/prctl.h b/include/lapi/prctl.h
index 8d3ef5c32..f45810fe0 100644
--- a/include/lapi/prctl.h
+++ b/include/lapi/prctl.h
@@ -7,7 +7,9 @@
 #ifndef LAPI_PRCTL_H__
 #define LAPI_PRCTL_H__
 
+#include <stdint.h>
 #include <sys/prctl.h>
+#include "config.h"
 
 #ifndef PR_SET_NAME
 # define PR_SET_NAME 15
@@ -59,4 +61,28 @@
 # define PR_SET_SPECULATION_CTRL 53
 #endif
 
+#ifndef PR_SET_MM
+# define PR_SET_MM		35
+#endif
+#ifndef PR_SET_MM_MAP
+# define PR_SET_MM_MAP	14
+#endif
+#ifndef PR_SET_MM_MAP_SIZE
+# define PR_SET_MM_MAP_SIZE	15
+#endif
+
+#ifndef HAVE_STRUCT_PRCTL_MM_MAP
+struct prctl_mm_map {
+	uint64_t start_code, end_code;
+	uint64_t start_data, end_data;
+	uint64_t start_brk, brk;
+	uint64_t start_stack;
+	uint64_t arg_start, arg_end;
+	uint64_t env_start, env_end;
+	uint64_t *auxv;
+	uint32_t auxv_size;
+	uint32_t exe_fd;
+};
+#endif
+
 #endif /* LAPI_PRCTL_H__ */

-- 
2.51.0


-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  parent reply	other threads:[~2026-09-03  7:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03  7:26 [LTP] [PATCH v6 0/3] Reproducer for ghostlock Andrea Cervesato
2026-09-03  7:26 ` [LTP] [PATCH v6 1/3] lapi/sched: add SAFE_SCHED_SETATTR() Andrea Cervesato
2026-09-03  7:38   ` Andrea Cervesato via ltp
2026-09-03 12:02   ` [LTP] " linuxtestproject.agent
2026-09-03  7:26 ` Andrea Cervesato [this message]
2026-09-03  7:26 ` [LTP] [PATCH v6 3/3] cve: add CVE-2026-43499 reproducer Andrea Cervesato

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