Thread (43 messages) 43 messages, 7 authors, 2025-05-16

Re: [PATCH v7 8/9] selftests/pidfd: add PIDFD_INFO_COREDUMP infrastructure

From: Alexander Mikhalitsyn <hidden>
Date: 2025-05-15 14:36:06
Also in: linux-fsdevel, lkml, netdev

Am Do., 15. Mai 2025 um 00:04 Uhr schrieb Christian Brauner
[off-list ref]:
Add PIDFD_INFO_COREDUMP infrastructure so we can use it in tests.

Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Alexander Mikhalitsyn <redacted>
quoted hunk ↗ jump to hunk
---
 tools/testing/selftests/pidfd/pidfd.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftests/pidfd/pidfd.h
index 55bcf81a2b9a..887c74007086 100644
--- a/tools/testing/selftests/pidfd/pidfd.h
+++ b/tools/testing/selftests/pidfd/pidfd.h
@@ -131,6 +131,26 @@
 #define PIDFD_INFO_EXIT                        (1UL << 3) /* Always returned if available, even if not requested */
 #endif

+#ifndef PIDFD_INFO_COREDUMP
+#define PIDFD_INFO_COREDUMP    (1UL << 4)
+#endif
+
+#ifndef PIDFD_COREDUMPED
+#define PIDFD_COREDUMPED       (1U << 0) /* Did crash and... */
+#endif
+
+#ifndef PIDFD_COREDUMP_SKIP
+#define PIDFD_COREDUMP_SKIP    (1U << 1) /* coredumping generation was skipped. */
+#endif
+
+#ifndef PIDFD_COREDUMP_USER
+#define PIDFD_COREDUMP_USER    (1U << 2) /* coredump was done as the user. */
+#endif
+
+#ifndef PIDFD_COREDUMP_ROOT
+#define PIDFD_COREDUMP_ROOT    (1U << 3) /* coredump was done as root. */
+#endif
+
 #ifndef PIDFD_THREAD
 #define PIDFD_THREAD O_EXCL
 #endif
@@ -150,6 +170,9 @@ struct pidfd_info {
        __u32 fsuid;
        __u32 fsgid;
        __s32 exit_code;
+       __u32 coredump_mask;
+       __u32 __spare1;
+       __u64 coredump_cookie;
 };

 /*

--
2.47.2
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