From: Masatake YAMATO <yamato@redhat.com>
Date: Wed, 30 Nov 2022 05:55:32 +0000 (+0900)
Subject: lsfd: consider 64bit addresses when scanning /proc/pid/map_files dir
X-Git-Tag: v2.39-rc1~395^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=115c02fe88941ad296e1fced13a70de5ee5f0f87;p=thirdparty%2Futil-linux.git

lsfd: consider 64bit addresses when scanning /proc/pid/map_files dir

Close #1930.

The original code assumed 48bit addresses. This assumption came
from linux running on x86_64. As reported in #1930, Linux on
sparc64 uses 64bit addresses.

Tested-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
---

diff --git a/misc-utils/lsfd.c b/misc-utils/lsfd.c
index 256ff9a923..ef35f49e81 100644
--- a/misc-utils/lsfd.c
+++ b/misc-utils/lsfd.c
@@ -746,7 +746,7 @@ static void parse_maps_line(struct path_cxt *pc, char *buf, struct proc *proc)
 		file_set_path(f, &sb, path, -assoc);
 	} else {
 		/* As used in tcpdump, AF_PACKET socket can be mmap'ed. */
-		char map_file[sizeof("map_files/000000000000-ffffffffffff")];
+		char map_file[sizeof("map_files/0000000000000000-ffffffffffffffff")];
 		char sym[PATH_MAX] = { '\0' };
 
 	try_map_files: