File 0002-linux-Maintain-original-output-for-pidfd-i... of Package lsof

Overview Repositories Revisions Requests Users Attributes Meta

File 0002-linux-Maintain-original-output-for-pidfd-in-linux-6..patch of Package lsof

From: Jiajie Chen <c@jia.je>
Date: Fri, 17 May 2024 15:22:35 +0800
Subject: [linux] Maintain original output for pidfd in linux 6.9
Git-repo: https://github.com/lsof-org/lsof
Git-commit: c1678e3f6e4b4d984cb3078b7bf0c9e24bedb8ca
Patch-mainline: submitted, https://github.com/lsof-org/lsof/pull/319
References: kernel 6.9

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 00DIST                     |  3 +++
 lib/dialects/linux/dproc.c | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/00DIST b/00DIST
index e4b9a972..981fb4ef 100644
--- a/00DIST
+++ b/00DIST
@@ -5587,6 +5587,12 @@ Supplement	Regenerated the 4.04 distribution to correct a non-
 
 		fix 00DIST file <space> -> tabs
 
+4.9?.?		????????? ??, ????
+
+		[linux] Linux 6.9 changed the pidfs appearence in procfs. Try
+		to maintain original output in lsof (#317)
+
+
 Vic Abell <abe@purdue.edu>
 July 14, 2018
 
diff --git a/lib/dialects/linux/dproc.c b/lib/dialects/linux/dproc.c
index cb6bb64f..3a7a1204 100644
--- a/lib/dialects/linux/dproc.c
+++ b/lib/dialects/linux/dproc.c
@@ -1273,6 +1273,10 @@ static int process_id(struct lsof_context *ctx, /* context */
 #endif     /* defined(HASEPTOPTS) */
                 if (rest && rest[0] == '[' && rest[1] == 'p')
                     fdinfo_mask |= FDINFO_PID;
+                else if (Lf->ntype == N_REGLR && rest && *rest && strcmp(pbuf, "pidfd") == 0) {
+                    // https://github.com/lsof-org/lsof/issues/317
+                    fdinfo_mask |= FDINFO_PID;
+                }
 
                 if ((av = get_fdinfo(ctx, pathi, fdinfo_mask, &fi)) &
                     FDINFO_POS) {
@@ -1338,6 +1342,15 @@ static int process_id(struct lsof_context *ctx, /* context */
                     Lf->sf |= SELPTYINFO;
                 }
 #endif /* defined(HASEPTOPTS) && defined(HASPTYEPT) */
+                else if (Lf->ntype == N_REGLR && rest && *rest && Lf->nm &&
+                         strcmp(Lf->nm, "pidfd") == 0) {
+                    // https://github.com/lsof-org/lsof/issues/317
+                    // pidfd since Linux 6.9 becomes a regular file:
+                    // /proc/PID/fd/FD -> pidfd:[INODE]
+                    (void)snpf(rest, sizeof(pbuf) - (rest - pbuf),
+                                "[pidfd:%d]", fi.pid);
+                    enter_nm(ctx, rest);
+                }
 
                 if (Lf->sf)
                     link_lfile(ctx);
-- 
2.45.1

Places

File 0002-linux-Maintain-original-output-for-pidfd-in-linux-6..patch of Package lsof

Places