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authorRichard Purdie <richard.purdie@linuxfoundation.org>2023-06-27 10:10:26 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2023-06-28 23:02:50 +0100
commitf873b210f1f759a82a774694b04a44642a2abd92 (patch)
treece55aa935d2695cf4461ddb894db1ca6309f3bc0 /meta/recipes-devtools/strace/strace
parent356d2369c743634856d4b514166433947961a60d (diff)
downloadpoky-f873b210f1f759a82a774694b04a44642a2abd92.tar.gz
strace: Update patches/tests with upstream fixes
Replace the sockopt disable patch with a fix from upstream. Also add a patch to handle accept/accept4 differences when using glibc optimisations for platforms where socketcall is used instead of an accept syscall such as 32 bit x86. (From OE-Core rev: ac921989991c319ecad01bec37c4ccaa15a7b58f) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools/strace/strace')
-rw-r--r--meta/recipes-devtools/strace/strace/00ace1392f5bd289239b755458dcdeeed69af1da.patch303
-rw-r--r--meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch50
-rw-r--r--meta/recipes-devtools/strace/strace/f31c2f4494779e5c5f170ad10539bfc2dfafe967.patch50
-rw-r--r--meta/recipes-devtools/strace/strace/skip-sockopt-test.patch37
4 files changed, 403 insertions, 37 deletions
diff --git a/meta/recipes-devtools/strace/strace/00ace1392f5bd289239b755458dcdeeed69af1da.patch b/meta/recipes-devtools/strace/strace/00ace1392f5bd289239b755458dcdeeed69af1da.patch
new file mode 100644
index 0000000000..bdf815e55e
--- /dev/null
+++ b/meta/recipes-devtools/strace/strace/00ace1392f5bd289239b755458dcdeeed69af1da.patch
@@ -0,0 +1,303 @@
1From 00ace1392f5bd289239b755458dcdeeed69af1da Mon Sep 17 00:00:00 2001
2From: "Dmitry V. Levin" <ldv@strace.io>
3Date: Mon, 26 Jun 2023 10:00:00 +0000
4Subject: [PATCH] tests: avoid accept() libc function when tracing accept()
5 syscall
6
7The libc function is allowed to implement accept() using accept4()
8syscall, so migrate to accept4() those tests that trace accept() syscall
9but do not test accept() specifically, and change the test of accept()
10syscall to invoke either __NR_accept or __NR_socketcall(SYS_ACCEPT)
11directly.
12
13* tests/accept_compat.h: Remove.
14* tests/Makefile.am (EXTRA_DIST): Remove accept_compat.h.
15* tests/accept.c [TEST_SYSCALL_NAME]: Do not invoke accept(),
16call __NR_accept or __NR_socketcall if available, or skip the test.
17* tests/net-y-unix.c: Do not include "accept_compat.h".
18(main): Invoke accept4() instead of accept().
19* tests/net-yy-inet.c: Likewise.
20* tests/net-yy-unix.c: Likewise.
21
22Resolves: https://github.com/strace/strace/issues/260
23
24Upstream-Status: Backport
25---
26 tests/Makefile.am | 1 -
27 tests/accept.c | 36 ++++++++++++++++++++----------------
28 tests/accept_compat.h | 32 --------------------------------
29 tests/net-y-unix.c | 16 ++++++++--------
30 tests/net-yy-inet.c | 12 ++++++------
31 tests/net-yy-unix.c | 16 ++++++++--------
32 6 files changed, 42 insertions(+), 71 deletions(-)
33 delete mode 100644 tests/accept_compat.h
34
35Index: strace-6.3/tests/Makefile.am
36===================================================================
37--- strace-6.3.orig/tests/Makefile.am
38+++ strace-6.3/tests/Makefile.am
39@@ -776,7 +776,6 @@ check_DATA = \
40 # end of check_DATA
41
42 EXTRA_DIST = \
43- accept_compat.h \
44 attach-p-cmd.h \
45 clock_adjtime-common.c \
46 clock_xettime-common.c \
47Index: strace-6.3/tests/accept.c
48===================================================================
49--- strace-6.3.orig/tests/accept.c
50+++ strace-6.3/tests/accept.c
51@@ -9,38 +9,36 @@
52 */
53
54 #include "tests.h"
55-
56+#include "scno.h"
57 #include <unistd.h>
58
59-#include "scno.h"
60+#ifndef TEST_SYSCALL_NAME
61
62-#if defined __NR_accept
63+# if defined __NR_accept || defined __NR_socketcall
64
65-# ifndef TEST_SYSCALL_NAME
66 # define TEST_SYSCALL_NAME do_accept
67-
68-# ifndef TEST_SYSCALL_STR
69-# define TEST_SYSCALL_STR "accept"
70-# endif
71+# define TEST_SYSCALL_STR "accept"
72
73 static int
74 do_accept(int sockfd, void *addr, void *addrlen)
75 {
76+# ifdef __NR_accept
77 return syscall(__NR_accept, sockfd, addr, addrlen);
78+# else /* __NR_socketcall */
79+ const long args[] = { sockfd, (long) addr, (long) addrlen };
80+ return syscall(__NR_socketcall, 5, args);
81+# endif
82 }
83-# endif /* !TEST_SYSCALL_NAME */
84
85-#else /* !__NR_accept */
86+# endif /* __NR_accept || __NR_socketcall */
87
88-# ifndef TEST_SYSCALL_NAME
89-# define TEST_SYSCALL_NAME accept
90-# endif
91+#endif /* !TEST_SYSCALL_NAME */
92
93-#endif /* __NR_accept */
94+#ifdef TEST_SYSCALL_NAME
95
96-#define TEST_SYSCALL_PREPARE connect_un()
97+# define TEST_SYSCALL_PREPARE connect_un()
98 static void connect_un(void);
99-#include "sockname.c"
100+# include "sockname.c"
101
102 static void
103 connect_un(void)
104@@ -90,3 +88,9 @@ main(void)
105 puts("+++ exited with 0 +++");
106 return 0;
107 }
108+
109+#else
110+
111+SKIP_MAIN_UNDEFINED("__NR_accept || __NR_socketcall")
112+
113+#endif
114Index: strace-6.3/tests/accept_compat.h
115===================================================================
116--- strace-6.3.orig/tests/accept_compat.h
117+++ /dev/null
118@@ -1,32 +0,0 @@
119-/*
120- * Copyright (c) 2018-2019 The strace developers.
121- * All rights reserved.
122- *
123- * SPDX-License-Identifier: GPL-2.0-or-later
124- */
125-
126-#ifndef _STRACE_TESTS_ACCEPT_COMPAT_H_
127-# define _STRACE_TESTS_ACCEPT_COMPAT_H_
128-
129-# include <unistd.h>
130-# include <sys/socket.h>
131-# include "scno.h"
132-
133-# if defined __NR_socketcall && defined __sparc__
134-/*
135- * Work around the fact that
136- * - glibc >= 2.26 uses accept4 syscall to implement accept() call on sparc;
137- * - accept syscall had not been wired up on sparc until v4.4-rc8~4^2~1.
138- */
139-static inline int
140-do_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
141-{
142- const long args[] = { sockfd, (long) addr, (long) addrlen };
143-
144- return syscall(__NR_socketcall, 5, args);
145-}
146-# else
147-# define do_accept accept
148-# endif
149-
150-#endif /* !_STRACE_TESTS_ACCEPT_COMPAT_H_ */
151Index: strace-6.3/tests/net-y-unix.c
152===================================================================
153--- strace-6.3.orig/tests/net-y-unix.c
154+++ strace-6.3/tests/net-y-unix.c
155@@ -10,6 +10,7 @@
156
157 #include "tests.h"
158 #include <assert.h>
159+#include <fcntl.h>
160 #include <stddef.h>
161 #include <stdio.h>
162 #include <stdlib.h>
163@@ -18,8 +19,6 @@
164 #include <sys/socket.h>
165 #include <sys/un.h>
166
167-#include "accept_compat.h"
168-
169 #define TEST_SOCKET "net-y-unix.socket"
170
171 int
172@@ -88,12 +87,12 @@ main(void)
173 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
174 memset(accept_sa, 0, sizeof(addr));
175 *len = sizeof(addr);
176- int accept_fd = do_accept(listen_fd, accept_sa, len);
177+ int accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
178 if (accept_fd < 0)
179 perror_msg_and_fail("accept");
180 unsigned long accept_inode = inode_of_sockfd(accept_fd);
181- printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}"
182- ", [%d => %d]) = %d<socket:[%lu]>\n",
183+ printf("accept4(%d<socket:[%lu]>, {sa_family=AF_UNIX}"
184+ ", [%d => %d], SOCK_CLOEXEC) = %d<socket:[%lu]>\n",
185 listen_fd, listen_inode,
186 (int) sizeof(addr), (int) *len,
187 accept_fd, accept_inode);
188@@ -160,14 +159,15 @@ main(void)
189
190 memset(accept_sa, 0, sizeof(addr));
191 *len = sizeof(addr);
192- accept_fd = do_accept(listen_fd, accept_sa, len);
193+ accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
194 if (accept_fd < 0)
195 perror_msg_and_fail("accept");
196 accept_inode = inode_of_sockfd(accept_fd);
197 const char * const sun_path1 =
198 ((struct sockaddr_un *) accept_sa)->sun_path + 1;
199- printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX"
200- ", sun_path=@\"%s\"}, [%d => %d]) = %d<socket:[%lu]>\n",
201+ printf("accept4(%d<socket:[%lu]>, {sa_family=AF_UNIX"
202+ ", sun_path=@\"%s\"}, [%d => %d], SOCK_CLOEXEC)"
203+ " = %d<socket:[%lu]>\n",
204 listen_fd, listen_inode, sun_path1,
205 (int) sizeof(addr), (int) *len,
206 accept_fd, accept_inode);
207Index: strace-6.3/tests/net-yy-inet.c
208===================================================================
209--- strace-6.3.orig/tests/net-yy-inet.c
210+++ strace-6.3/tests/net-yy-inet.c
211@@ -10,6 +10,7 @@
212
213 #include "tests.h"
214 #include <assert.h>
215+#include <fcntl.h>
216 #include <stddef.h>
217 #include <stdio.h>
218 #include <string.h>
219@@ -19,8 +20,6 @@
220 #include <netinet/tcp.h>
221 #include <arpa/inet.h>
222
223-#include "accept_compat.h"
224-
225 #ifndef ADDR_FAMILY
226 # define ADDR_FAMILY_FIELD sin_family
227 # define ADDR_FAMILY AF_INET
228@@ -104,14 +103,15 @@ main(void)
229 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
230 memset(accept_sa, 0, sizeof(addr));
231 *len = sizeof(addr);
232- const int accept_fd = do_accept(listen_fd, accept_sa, len);
233+ const int accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
234 if (accept_fd < 0)
235 perror_msg_and_fail("accept");
236 const unsigned int connect_port =
237 ntohs(((struct SOCKADDR_TYPE *) accept_sa)->INPORT);
238- printf("accept(%d<" TCP_STR ":[" LOOPBACK ":%u]>, {sa_family=" AF_STR
239- ", " INPORT_STR "=htons(%u), " INADDR_STR SA_FIELDS "}"
240- ", [%u]) = %d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>\n",
241+ printf("accept4(%d<" TCP_STR ":[" LOOPBACK ":%u]>, {sa_family=" AF_STR
242+ ", " INPORT_STR "=htons(%u), " INADDR_STR SA_FIELDS "}, [%u]"
243+ ", SOCK_CLOEXEC) = %d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK
244+ ":%u]>\n",
245 listen_fd, listen_port, connect_port, (unsigned) *len,
246 accept_fd, listen_port, connect_port);
247
248Index: strace-6.3/tests/net-yy-unix.c
249===================================================================
250--- strace-6.3.orig/tests/net-yy-unix.c
251+++ strace-6.3/tests/net-yy-unix.c
252@@ -10,6 +10,7 @@
253
254 #include "tests.h"
255 #include <assert.h>
256+#include <fcntl.h>
257 #include <stddef.h>
258 #include <stdio.h>
259 #include <stdlib.h>
260@@ -22,8 +23,6 @@
261 # include "xmalloc.h"
262 #endif
263
264-#include "accept_compat.h"
265-
266 #define TEST_SOCKET "net-yy-unix.socket"
267
268 int
269@@ -112,12 +111,12 @@ main(void)
270 struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
271 memset(accept_sa, 0, sizeof(addr));
272 *len = sizeof(addr);
273- int accept_fd = do_accept(listen_fd, accept_sa, len);
274+ int accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
275 if (accept_fd < 0)
276 perror_msg_and_fail("accept");
277 unsigned long accept_inode = inode_of_sockfd(accept_fd);
278- printf("accept(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
279- ", [%d => %d]) = %d<%s:[%lu->%lu,\"%s\"]>\n",
280+ printf("accept4(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX}"
281+ ", [%d => %d], SOCK_CLOEXEC) = %d<%s:[%lu->%lu,\"%s\"]>\n",
282 listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
283 (int) sizeof(addr), (int) *len,
284 accept_fd, sock_proto_name, accept_inode, connect_inode,
285@@ -191,14 +190,15 @@ main(void)
286
287 memset(accept_sa, 0, sizeof(addr));
288 *len = sizeof(addr);
289- accept_fd = do_accept(listen_fd, accept_sa, len);
290+ accept_fd = accept4(listen_fd, accept_sa, len, O_CLOEXEC);
291 if (accept_fd < 0)
292 perror_msg_and_fail("accept");
293 accept_inode = inode_of_sockfd(accept_fd);
294 const char * const sun_path1 =
295 ((struct sockaddr_un *) accept_sa)->sun_path + 1;
296- printf("accept(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
297- ", sun_path=@\"%s\"}, [%d => %d]) = %d<%s:[%lu->%lu,\"%s\"]>\n",
298+ printf("accept4(%d<%s:[%lu,\"%s\"]>, {sa_family=AF_UNIX"
299+ ", sun_path=@\"%s\"}, [%d => %d], SOCK_CLOEXEC)"
300+ " = %d<%s:[%lu->%lu,\"%s\"]>\n",
301 listen_fd, sock_proto_name, listen_inode, TEST_SOCKET,
302 sun_path1, (int) sizeof(addr), (int) *len,
303 accept_fd, sock_proto_name, accept_inode, connect_inode,
diff --git a/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch b/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch
new file mode 100644
index 0000000000..b4c6ff99de
--- /dev/null
+++ b/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch
@@ -0,0 +1,50 @@
1From 3bbfb541b258baec9eba674b5d8dc30007a61542 Mon Sep 17 00:00:00 2001
2From: "Dmitry V. Levin" <ldv@strace.io>
3Date: Wed, 21 Jun 2023 08:00:00 +0000
4Subject: [PATCH] net: enhance getsockopt decoding
5
6When getsockopt syscall fails the kernel sometimes updates the optlen
7argument, for example, NETLINK_LIST_MEMBERSHIPS updates it even if
8optval is not writable.
9
10* src/net.c (SYS_FUNC(getsockopt)): Try to fetch and print optlen
11argument on exiting syscall regardless of getsockopt exit status.
12
13Upstream-Status: Backport
14---
15 src/net.c | 15 ++++++++++++++-
16 1 file changed, 14 insertions(+), 1 deletion(-)
17
18diff --git a/src/net.c b/src/net.c
19index f68ccb947..7244b5e57 100644
20--- a/src/net.c
21+++ b/src/net.c
22@@ -1038,7 +1038,7 @@ SYS_FUNC(getsockopt)
23 } else {
24 ulen = get_tcb_priv_ulong(tcp);
25
26- if (syserror(tcp) || umove(tcp, tcp->u_arg[4], &rlen) < 0) {
27+ if (umove(tcp, tcp->u_arg[4], &rlen) < 0) {
28 /* optval */
29 printaddr(tcp->u_arg[3]);
30 tprint_arg_next();
31@@ -1047,6 +1047,19 @@ SYS_FUNC(getsockopt)
32 tprint_indirect_begin();
33 PRINT_VAL_D(ulen);
34 tprint_indirect_end();
35+ } else if (syserror(tcp)) {
36+ /* optval */
37+ printaddr(tcp->u_arg[3]);
38+ tprint_arg_next();
39+
40+ /* optlen */
41+ tprint_indirect_begin();
42+ if (ulen != rlen) {
43+ PRINT_VAL_D(ulen);
44+ tprint_value_changed();
45+ }
46+ PRINT_VAL_D(rlen);
47+ tprint_indirect_end();
48 } else {
49 /* optval */
50 print_getsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2],
diff --git a/meta/recipes-devtools/strace/strace/f31c2f4494779e5c5f170ad10539bfc2dfafe967.patch b/meta/recipes-devtools/strace/strace/f31c2f4494779e5c5f170ad10539bfc2dfafe967.patch
new file mode 100644
index 0000000000..a0843836c2
--- /dev/null
+++ b/meta/recipes-devtools/strace/strace/f31c2f4494779e5c5f170ad10539bfc2dfafe967.patch
@@ -0,0 +1,50 @@
1From f31c2f4494779e5c5f170ad10539bfc2dfafe967 Mon Sep 17 00:00:00 2001
2From: "Dmitry V. Levin" <ldv@strace.io>
3Date: Sat, 24 Jun 2023 08:00:00 +0000
4Subject: [PATCH] tests: update sockopt-sol_netlink test
5
6Update sockopt-sol_netlink test that started to fail, likely
7due to recent linux kernel commit f4e4534850a9 ("net/netlink: fix
8NETLINK_LIST_MEMBERSHIPS length report").
9
10* tests/sockopt-sol_netlink.c (main): Always print changing optlen value
11on exiting syscall.
12
13Reported-by: Alexander Gordeev <agordeev@linux.ibm.com>
14---
15 tests/sockopt-sol_netlink.c | 13 ++++++++++---
16 1 file changed, 10 insertions(+), 3 deletions(-)
17
18Upstream-Status: Backport
19
20diff --git a/tests/sockopt-sol_netlink.c b/tests/sockopt-sol_netlink.c
21index 82b98adc23..1c33219ac5 100644
22--- a/tests/sockopt-sol_netlink.c
23+++ b/tests/sockopt-sol_netlink.c
24@@ -94,7 +94,10 @@ main(void)
25 printf("%p", val);
26 else
27 printf("[%d]", *val);
28- printf(", [%d]) = %s\n", *len, errstr);
29+ printf(", [%d", (int) sizeof(*val));
30+ if ((int) sizeof(*val) != *len)
31+ printf(" => %d", *len);
32+ printf("]) = %s\n", errstr);
33
34 /* optlen larger than necessary - shortened */
35 *len = sizeof(*val) + 1;
36@@ -150,8 +153,12 @@ main(void)
37 /* optval EFAULT - print address */
38 *len = sizeof(*val);
39 get_sockopt(fd, names[i].val, efault, len);
40- printf("getsockopt(%d, SOL_NETLINK, %s, %p, [%d]) = %s\n",
41- fd, names[i].str, efault, *len, errstr);
42+ printf("getsockopt(%d, SOL_NETLINK, %s, %p",
43+ fd, names[i].str, efault);
44+ printf(", [%d", (int) sizeof(*val));
45+ if ((int) sizeof(*val) != *len)
46+ printf(" => %d", *len);
47+ printf("]) = %s\n", errstr);
48
49 /* optlen EFAULT - print address */
50 get_sockopt(fd, names[i].val, val, len + 1);
diff --git a/meta/recipes-devtools/strace/strace/skip-sockopt-test.patch b/meta/recipes-devtools/strace/strace/skip-sockopt-test.patch
deleted file mode 100644
index 5741bf8672..0000000000
--- a/meta/recipes-devtools/strace/strace/skip-sockopt-test.patch
+++ /dev/null
@@ -1,37 +0,0 @@
1Upstream-Status: Inappropriate [avoid this test until fixed by upstream]
2
3Reported at https://github.com/strace/strace/issues/257
4
5root@qemux86-64:/usr/lib/strace/ptest/tests# make sockopt-sol_netlink.gen.log
6FAIL: sockopt-sol_netlink.gen.test
7
8#root@qemux86-64:/usr/lib/strace/ptest/tests# diff sockopt-sol_netlink.dir/exp sockopt-sol_netlink.dir/out
9#--- sockopt-sol_netlink.dir/exp
10#+++ sockopt-sol_netlink.dir/out
11#@@ -86,11 +86,11 @@
12 setsockopt(3, SOL_NETLINK, NETLINK_LISTEN_ALL_NSID, 0x7fa18a802ffc, -1) = -1 EINVAL (Invalid argument)
13 setsockopt(3, SOL_NETLINK, NETLINK_LISTEN_ALL_NSID, 0x7fa18a802ffc, 3) = 0
14 setsockopt(3, SOL_NETLINK, NETLINK_LISTEN_ALL_NSID, 0x7fa18a803000, 4) = -1 EFAULT (Bad address)
15-getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [0], [8]) = 0
16+getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [0], [4 => 8]) = 0
17 getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [0], [5 => 8]) = 0
18 getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, NULL, [0 => 8]) = 0
19 getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [], [3 => 8]) = 0
20-getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, 0x7fa18a803000, [8]) = -1 EFAULT (Bad address)
21+getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, 0x7fa18a803000, [4]) = -1 EFAULT (Bad address)
22 getsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, 0x7fa18a802ffc, 0x7fa18a7fd000) = -1 EFAULT (Bad address)
23 setsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [233811181], 4) = -1 ENOPROTOOPT (Protocol not available)
24 setsockopt(3, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, [233811181], 5) = -1 ENOPROTOOPT (Protocol not available)
25
26
27
28Index: strace-6.3/tests/sockopt-sol_netlink.gen.test
29===================================================================
30--- strace-6.3.orig/tests/sockopt-sol_netlink.gen.test
31+++ strace-6.3/tests/sockopt-sol_netlink.gen.test
32@@ -1,4 +1,5 @@
33 #!/bin/sh -efu
34 # Generated by ./tests/gen_tests.sh from ./tests/gen_tests.in (sockopt-sol_netlink -e trace=getsockopt,setsockopt); do not edit.
35 . "${srcdir=.}/init.sh"
36+skip_ "Test failing after system upgrades, wait for upstream fixes"
37 run_strace_match_diff -e trace=getsockopt,setsockopt