* [LTP] [PATCH v2 1/5] Update architectures syscalls identifiers
2026-03-13 11:48 [LTP] [PATCH v2 0/5] listns() testing suite Andrea Cervesato
@ 2026-03-13 11:48 ` Andrea Cervesato
2026-03-20 10:28 ` Cyril Hrubis
2026-03-13 11:48 ` [LTP] [PATCH v2 2/5] Add listns fallback header Andrea Cervesato
` (3 subsequent siblings)
4 siblings, 1 reply; 15+ messages in thread
From: Andrea Cervesato @ 2026-03-13 11:48 UTC (permalink / raw)
To: Linux Test Project
From: Andrea Cervesato <andrea.cervesato@suse.com>
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
include/lapi/syscalls/arc.in | 2 +
include/lapi/syscalls/arm.in | 3 +-
include/lapi/syscalls/arm64.in | 2 +
include/lapi/syscalls/i386.in | 3 +-
include/lapi/syscalls/loongarch64.in | 3 ++
include/lapi/syscalls/mips64.in | 4 +-
include/lapi/syscalls/mips64n32.in | 4 +-
include/lapi/syscalls/mipso32.in | 4 +-
include/lapi/syscalls/parisc.in | 3 +-
include/lapi/syscalls/powerpc.in | 3 +-
include/lapi/syscalls/powerpc64.in | 3 +-
include/lapi/syscalls/s390.in | 102 +++++++++--------------------------
include/lapi/syscalls/s390x.in | 4 +-
include/lapi/syscalls/sh.in | 3 +-
include/lapi/syscalls/sparc.in | 4 +-
include/lapi/syscalls/sparc64.in | 4 +-
include/lapi/syscalls/x86_64.in | 4 +-
17 files changed, 61 insertions(+), 94 deletions(-)
diff --git a/include/lapi/syscalls/arc.in b/include/lapi/syscalls/arc.in
index 0f0fbef6be74d06abbf4f1bbf77eeaf72a1e6b71..89b04af1caf54e9b93b84c1e2bc1372f03a5d2a6 100644
--- a/include/lapi/syscalls/arc.in
+++ b/include/lapi/syscalls/arc.in
@@ -347,3 +347,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/arm.in b/include/lapi/syscalls/arm.in
index d0238dec5ecbf3849dff3b2c91ec88866dfb440c..72e07584b9fe5e09ff8661cf88db3dffcfd89720 100644
--- a/include/lapi/syscalls/arm.in
+++ b/include/lapi/syscalls/arm.in
@@ -109,7 +109,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -420,3 +419,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/arm64.in b/include/lapi/syscalls/arm64.in
index c76930e20df02905c9c640a749b4ec2df421c665..46dc7bbfbbce035effd41274fd4757a116a07a03 100644
--- a/include/lapi/syscalls/arm64.in
+++ b/include/lapi/syscalls/arm64.in
@@ -323,3 +323,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/i386.in b/include/lapi/syscalls/i386.in
index 38ea71fb282d9dc69914b863cba352349fd1c9b9..8905d7f43073f275f571846e900d48abe959c6d2 100644
--- a/include/lapi/syscalls/i386.in
+++ b/include/lapi/syscalls/i386.in
@@ -145,7 +145,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -454,3 +453,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/loongarch64.in b/include/lapi/syscalls/loongarch64.in
index 5407b86eaf738354f645f894bd95900ff614b3e1..60f77a7d1c84059f119bc1d988e9b6b89569e2f5 100644
--- a/include/lapi/syscalls/loongarch64.in
+++ b/include/lapi/syscalls/loongarch64.in
@@ -297,6 +297,7 @@ quotactl_fd 443
landlock_create_ruleset 444
landlock_add_rule 445
landlock_restrict_self 446
+memfd_secret 447
process_mrelease 448
futex_waitv 449
set_mempolicy_home_node 450
@@ -319,3 +320,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/mips64.in b/include/lapi/syscalls/mips64.in
index 436d5c681c21f32623d779268b9c3daaaac5b5e0..0375503686461386e70637f6a3cc3b69a48cf235 100644
--- a/include/lapi/syscalls/mips64.in
+++ b/include/lapi/syscalls/mips64.in
@@ -150,7 +150,6 @@ mlockall 5148
munlockall 5149
vhangup 5150
pivot_root 5151
-_sysctl 5152
prctl 5153
adjtimex 5154
setrlimit 5155
@@ -272,7 +271,6 @@ ioprio_set 5273
ioprio_get 5274
utimensat 5275
signalfd 5276
-timerfd 5277
eventfd 5278
fallocate 5279
timerfd_create 5280
@@ -369,3 +367,5 @@ removexattrat 5466
open_tree_attr 5467
file_getattr 5468
file_setattr 5469
+listns 5470
+rseq_slice_yield 5471
diff --git a/include/lapi/syscalls/mips64n32.in b/include/lapi/syscalls/mips64n32.in
index 860a19c8b62866aeaf5b03c5c45ef5d6d58cab0f..0998b2bd8b0e318af44178762766a2e7cc7a2b63 100644
--- a/include/lapi/syscalls/mips64n32.in
+++ b/include/lapi/syscalls/mips64n32.in
@@ -150,7 +150,6 @@ mlockall 6148
munlockall 6149
vhangup 6150
pivot_root 6151
-_sysctl 6152
prctl 6153
adjtimex 6154
setrlimit 6155
@@ -276,7 +275,6 @@ ioprio_set 6277
ioprio_get 6278
utimensat 6279
signalfd 6280
-timerfd 6281
eventfd 6282
fallocate 6283
timerfd_create 6284
@@ -393,3 +391,5 @@ removexattrat 6466
open_tree_attr 6467
file_getattr 6468
file_setattr 6469
+listns 6470
+rseq_slice_yield 6471
diff --git a/include/lapi/syscalls/mipso32.in b/include/lapi/syscalls/mipso32.in
index 5e53e46ce1e47c4618ceeeda03130cbdd621b180..75ac1ef1e0d431fd154ca507dbb8cef07c3226b4 100644
--- a/include/lapi/syscalls/mipso32.in
+++ b/include/lapi/syscalls/mipso32.in
@@ -144,7 +144,6 @@ cachectl 4148
sysmips 4149
getsid 4151
fdatasync 4152
-_sysctl 4153
mlock 4154
munlock 4155
mlockall 4156
@@ -307,7 +306,6 @@ ioprio_set 4314
ioprio_get 4315
utimensat 4316
signalfd 4317
-timerfd 4318
eventfd 4319
fallocate 4320
timerfd_create 4321
@@ -433,3 +431,5 @@ removexattrat 4466
open_tree_attr 4467
file_getattr 4468
file_setattr 4469
+listns 4470
+rseq_slice_yield 4471
diff --git a/include/lapi/syscalls/parisc.in b/include/lapi/syscalls/parisc.in
index 238756694d9a03bcb063c21d3644aaa2af47f3fc..8007565f571ec3a7673adbf20246ee335c221067 100644
--- a/include/lapi/syscalls/parisc.in
+++ b/include/lapi/syscalls/parisc.in
@@ -142,7 +142,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -402,3 +401,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/powerpc.in b/include/lapi/syscalls/powerpc.in
index 6911f9af96247739a1ba7020aa3df77ef70ef55a..02a91ac46c6d6149282d2a2ec5fe8fd50a466ba6 100644
--- a/include/lapi/syscalls/powerpc.in
+++ b/include/lapi/syscalls/powerpc.in
@@ -145,7 +145,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -444,3 +443,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/powerpc64.in b/include/lapi/syscalls/powerpc64.in
index 98190ba266a1c7a6c3dbca1346e9d5e55783e271..931b95f69e7c1c150ef54d63956d42511ffabb50 100644
--- a/include/lapi/syscalls/powerpc64.in
+++ b/include/lapi/syscalls/powerpc64.in
@@ -145,7 +145,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -416,3 +415,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/s390.in b/include/lapi/syscalls/s390.in
index a6cb85da805bec2540433783be9445645ab913ab..978092202738cd97f345fe9757d5b7355814d893 100644
--- a/include/lapi/syscalls/s390.in
+++ b/include/lapi/syscalls/s390.in
@@ -10,17 +10,12 @@ link 9
unlink 10
execve 11
chdir 12
-time 13
mknod 14
chmod 15
-lchown 16
lseek 19
getpid 20
mount 21
umount 22
-setuid 23
-getuid 24
-stime 25
ptrace 26
alarm 27
pause 29
@@ -36,11 +31,7 @@ dup 41
pipe 42
times 43
brk 45
-setgid 46
-getgid 47
signal 48
-geteuid 49
-getegid 50
acct 51
umount2 52
ioctl 54
@@ -54,18 +45,13 @@ getppid 64
getpgrp 65
setsid 66
sigaction 67
-setreuid 70
-setregid 71
sigsuspend 72
sigpending 73
sethostname 74
setrlimit 75
-getrlimit 76
getrusage 77
gettimeofday 78
settimeofday 79
-getgroups 80
-setgroups 81
symlink 83
readlink 85
uselib 86
@@ -77,12 +63,10 @@ munmap 91
truncate 92
ftruncate 93
fchmod 94
-fchown 95
getpriority 96
setpriority 97
statfs 99
fstatfs 100
-ioperm 101
socketcall 102
syslog 103
setitimer 104
@@ -115,18 +99,14 @@ fchdir 133
sysfs 135
personality 136
afs_syscall 137
-setfsuid 138
-setfsgid 139
-_llseek 140
getdents 141
-_newselect 142
+select 142
flock 143
msync 144
readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -141,13 +121,9 @@ sched_get_priority_min 160
sched_rr_get_interval 161
nanosleep 162
mremap 163
-setresuid 164
-getresuid 165
query_module 167
poll 168
nfsservctl 169
-setresgid 170
-getresgid 171
prctl 172
rt_sigreturn 173
rt_sigaction 174
@@ -158,7 +134,6 @@ rt_sigqueueinfo 178
rt_sigsuspend 179
pread64 180
pwrite64 181
-chown 182
getcwd 183
capget 184
capset 185
@@ -167,39 +142,31 @@ sendfile 187
getpmsg 188
putpmsg 189
vfork 190
-ugetrlimit 191
-mmap2 192
-truncate64 193
-ftruncate64 194
-stat64 195
-lstat64 196
-fstat64 197
-lchown32 198
-getuid32 199
-getgid32 200
-geteuid32 201
-getegid32 202
-setreuid32 203
-setregid32 204
-getgroups32 205
-setgroups32 206
-fchown32 207
-setresuid32 208
-getresuid32 209
-setresgid32 210
-getresgid32 211
-chown32 212
-setuid32 213
-setgid32 214
-setfsuid32 215
-setfsgid32 216
+getrlimit 191
+lchown 198
+getuid 199
+getgid 200
+geteuid 201
+getegid 202
+setreuid 203
+setregid 204
+getgroups 205
+setgroups 206
+fchown 207
+setresuid 208
+getresuid 209
+setresgid 210
+getresgid 211
+chown 212
+setuid 213
+setgid 214
+setfsuid 215
+setfsgid 216
pivot_root 217
mincore 218
madvise 219
getdents64 220
-fcntl64 221
readahead 222
-sendfile64 223
setxattr 224
lsetxattr 225
fsetxattr 226
@@ -238,7 +205,6 @@ clock_settime 259
clock_gettime 260
clock_getres 261
clock_nanosleep 262
-fadvise64_64 264
statfs64 265
fstatfs64 266
remap_file_pages 267
@@ -267,7 +233,7 @@ mkdirat 289
mknodat 290
fchownat 291
futimesat 292
-fstatat64 293
+newfstatat 293
unlinkat 294
renameat 295
linkat 296
@@ -291,7 +257,6 @@ utimes 313
fallocate 314
utimensat 315
signalfd 316
-timerfd 317
eventfd 318
timerfd_create 319
timerfd_settime 320
@@ -361,6 +326,7 @@ rseq 383
pkey_mprotect 384
pkey_alloc 385
pkey_free 386
+semtimedop 392
semget 393
semctl 394
shmget 395
@@ -371,26 +337,6 @@ msgget 399
msgsnd 400
msgrcv 401
msgctl 402
-clock_gettime64 403
-clock_settime64 404
-clock_adjtime64 405
-clock_getres_time64 406
-clock_nanosleep_time64 407
-timer_gettime64 408
-timer_settime64 409
-timerfd_gettime64 410
-timerfd_settime64 411
-utimensat_time64 412
-pselect6_time64 413
-ppoll_time64 414
-io_pgetevents_time64 416
-recvmmsg_time64 417
-mq_timedsend_time64 418
-mq_timedreceive_time64 419
-semtimedop_time64 420
-rt_sigtimedwait_time64 421
-futex_time64 422
-sched_rr_get_interval_time64 423
pidfd_send_signal 424
io_uring_setup 425
io_uring_enter 426
@@ -437,3 +383,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/s390x.in b/include/lapi/syscalls/s390x.in
index 31f3ec5532c8c3017188b60907f7666b41f44102..978092202738cd97f345fe9757d5b7355814d893 100644
--- a/include/lapi/syscalls/s390x.in
+++ b/include/lapi/syscalls/s390x.in
@@ -107,7 +107,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -258,7 +257,6 @@ utimes 313
fallocate 314
utimensat 315
signalfd 316
-timerfd 317
eventfd 318
timerfd_create 319
timerfd_settime 320
@@ -385,3 +383,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/sh.in b/include/lapi/syscalls/sh.in
index ac281acf81ffe6770fa0d941d406714fbdce1bbd..e3cef0e77632f5c76af781384fa39406727ae826 100644
--- a/include/lapi/syscalls/sh.in
+++ b/include/lapi/syscalls/sh.in
@@ -128,7 +128,6 @@ readv 145
writev 146
getsid 147
fdatasync 148
-_sysctl 149
mlock 150
munlock 151
mlockall 152
@@ -431,3 +430,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/sparc.in b/include/lapi/syscalls/sparc.in
index ffc0d9f7abdaa8873ec73ed1a5e0ec98b5f8b1d7..20d58a5999172674c78585d0d1435024a65d0119 100644
--- a/include/lapi/syscalls/sparc.in
+++ b/include/lapi/syscalls/sparc.in
@@ -246,7 +246,6 @@ sched_get_priority_min 247
sched_rr_get_interval 248
nanosleep 249
mremap 250
-_sysctl 251
getsid 252
fdatasync 253
nfsservctl 254
@@ -402,6 +401,7 @@ fsconfig 431
fsmount 432
fspick 433
pidfd_open 434
+clone3 435
close_range 436
openat2 437
pidfd_getfd 438
@@ -435,3 +435,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/sparc64.in b/include/lapi/syscalls/sparc64.in
index 992bd307deb07d50ff814c603406842b5aedb431..49419ef5d65d7f9bfb4cbc715bc671d2d387deef 100644
--- a/include/lapi/syscalls/sparc64.in
+++ b/include/lapi/syscalls/sparc64.in
@@ -228,7 +228,6 @@ sched_get_priority_min 247
sched_rr_get_interval 248
nanosleep 249
mremap 250
-_sysctl 251
getsid 252
fdatasync 253
nfsservctl 254
@@ -365,6 +364,7 @@ fsconfig 431
fsmount 432
fspick 433
pidfd_open 434
+clone3 435
close_range 436
openat2 437
pidfd_getfd 438
@@ -398,3 +398,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
diff --git a/include/lapi/syscalls/x86_64.in b/include/lapi/syscalls/x86_64.in
index e9c0d0599e25e3fa408686544c5d80c5a3e876d7..a253bcfd7d2461634e0a3a1c1e1c312fef682a66 100644
--- a/include/lapi/syscalls/x86_64.in
+++ b/include/lapi/syscalls/x86_64.in
@@ -154,7 +154,6 @@ munlockall 152
vhangup 153
modify_ldt 154
pivot_root 155
-_sysctl 156
prctl 157
arch_prctl 158
adjtimex 159
@@ -334,6 +333,7 @@ statx 332
io_pgetevents 333
rseq 334
uretprobe 335
+uprobe 336
pidfd_send_signal 424
io_uring_setup 425
io_uring_enter 426
@@ -380,3 +380,5 @@ removexattrat 466
open_tree_attr 467
file_getattr 468
file_setattr 469
+listns 470
+rseq_slice_yield 471
--
2.51.0
--
Mailing list info: https://lists.linux.it/listinfo/ltp
^ permalink raw reply related [flat|nested] 15+ messages in thread* [LTP] [PATCH v2 4/5] syscalls: add listns01 test for EFAULT on invalid address
2026-03-13 11:48 [LTP] [PATCH v2 0/5] listns() testing suite Andrea Cervesato
` (2 preceding siblings ...)
2026-03-13 11:48 ` [LTP] [PATCH v2 3/5] Add NS_GET_ID fallback Andrea Cervesato
@ 2026-03-13 11:48 ` Andrea Cervesato
2026-03-20 10:39 ` Cyril Hrubis
2026-03-13 11:48 ` [LTP] [PATCH v2 5/5] syscalls: add listns02 functionality test Andrea Cervesato
4 siblings, 1 reply; 15+ messages in thread
From: Andrea Cervesato @ 2026-03-13 11:48 UTC (permalink / raw)
To: Linux Test Project
From: Andrea Cervesato <andrea.cervesato@suse.com>
Verify that listns() returns EFAULT when given a completely invalid
address or a NULL pointer as the output buffer.
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
runtest/syscalls | 2 ++
testcases/kernel/syscalls/listns/.gitignore | 1 +
testcases/kernel/syscalls/listns/Makefile | 7 ++++
testcases/kernel/syscalls/listns/listns01.c | 56 +++++++++++++++++++++++++++++
4 files changed, 66 insertions(+)
diff --git a/runtest/syscalls b/runtest/syscalls
index 2179e007c0d72fa2834a1a52b97d888a8ffb4578..769ce4a89a325ea09fdf2cfd42576697f23352c4 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -759,6 +759,8 @@ listmount02 listmount02
listmount03 listmount03
listmount04 listmount04
+listns01 listns01
+
listxattr01 listxattr01
listxattr02 listxattr02
listxattr03 listxattr03
diff --git a/testcases/kernel/syscalls/listns/.gitignore b/testcases/kernel/syscalls/listns/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..396d6b6fbfb3e34f17c79bfa3d5cc60f76477584
--- /dev/null
+++ b/testcases/kernel/syscalls/listns/.gitignore
@@ -0,0 +1 @@
+listns01
diff --git a/testcases/kernel/syscalls/listns/Makefile b/testcases/kernel/syscalls/listns/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..13755014997afbdc389e1a8fb1b0f0df36c81f21
--- /dev/null
+++ b/testcases/kernel/syscalls/listns/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+
+top_srcdir ?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/listns/listns01.c b/testcases/kernel/syscalls/listns/listns01.c
new file mode 100644
index 0000000000000000000000000000000000000000..e9211e0ef9baf68698fbd9f3500d0ec00cd13590
--- /dev/null
+++ b/testcases/kernel/syscalls/listns/listns01.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/*\
+ * Test listns() EFAULT error handling with invalid buffer pointers.
+ *
+ * Verify that listns() returns EFAULT when given a completely invalid
+ * address or a NULL pointer as the output buffer.
+ */
+
+#define _GNU_SOURCE
+
+#include "tst_test.h"
+#include "lapi/syscalls.h"
+#include "lapi/listns.h"
+
+static struct tcase {
+ const char *desc;
+ uintptr_t bad_ptr_val;
+ size_t nr_ids;
+} tcases[] = {
+ {
+ .desc = "completely invalid pointer",
+ .bad_ptr_val = 0xdeadbeef,
+ .nr_ids = 10,
+ },
+ {
+ .desc = "NULL buffer",
+ .bad_ptr_val = 0,
+ .nr_ids = 10,
+ },
+};
+
+static void verify_listns(unsigned int n)
+{
+ struct tcase *tc = &tcases[n];
+ struct listns_req req = { .size = NS_ID_REQ_SIZE_VER0 };
+
+ TST_EXP_FAIL2(listns(&req, (uint64_t *)tc->bad_ptr_val, tc->nr_ids, 0),
+ EFAULT, "listns() %s", tc->desc);
+}
+
+static void setup(void)
+{
+ struct listns_req req = { .size = NS_ID_REQ_SIZE_VER0 };
+
+ tst_syscall(__NR_listns, &req, NULL, 0, 0);
+}
+
+static struct tst_test test = {
+ .tcnt = ARRAY_SIZE(tcases),
+ .test = verify_listns,
+ .setup = setup,
+};
--
2.51.0
--
Mailing list info: https://lists.linux.it/listinfo/ltp
^ permalink raw reply related [flat|nested] 15+ messages in thread* [LTP] [PATCH v2 5/5] syscalls: add listns02 functionality test
2026-03-13 11:48 [LTP] [PATCH v2 0/5] listns() testing suite Andrea Cervesato
` (3 preceding siblings ...)
2026-03-13 11:48 ` [LTP] [PATCH v2 4/5] syscalls: add listns01 test for EFAULT on invalid address Andrea Cervesato
@ 2026-03-13 11:48 ` Andrea Cervesato
2026-03-20 11:19 ` Cyril Hrubis
4 siblings, 1 reply; 15+ messages in thread
From: Andrea Cervesato @ 2026-03-13 11:48 UTC (permalink / raw)
To: Linux Test Project
From: Andrea Cervesato <andrea.cervesato@suse.com>
Add a simple test that create a namespace and verifies that listns02 is
listing it.
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
runtest/syscalls | 1 +
testcases/kernel/syscalls/listns/.gitignore | 1 +
testcases/kernel/syscalls/listns/listns02.c | 109 ++++++++++++++++++++++++++++
3 files changed, 111 insertions(+)
diff --git a/runtest/syscalls b/runtest/syscalls
index 769ce4a89a325ea09fdf2cfd42576697f23352c4..7d67f6ed2489e7281a07ae9f059b7485dd5f5f44 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -760,6 +760,7 @@ listmount03 listmount03
listmount04 listmount04
listns01 listns01
+listns02 listns02
listxattr01 listxattr01
listxattr02 listxattr02
diff --git a/testcases/kernel/syscalls/listns/.gitignore b/testcases/kernel/syscalls/listns/.gitignore
index 396d6b6fbfb3e34f17c79bfa3d5cc60f76477584..26d31ae372c54e0031a71b56f68cad44f32e5962 100644
--- a/testcases/kernel/syscalls/listns/.gitignore
+++ b/testcases/kernel/syscalls/listns/.gitignore
@@ -1 +1,2 @@
listns01
+listns02
diff --git a/testcases/kernel/syscalls/listns/listns02.c b/testcases/kernel/syscalls/listns/listns02.c
new file mode 100644
index 0000000000000000000000000000000000000000..8afe70ff952d0a49c9f32186485fc4ee7549c346
--- /dev/null
+++ b/testcases/kernel/syscalls/listns/listns02.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/*\
+ * Basic listns() functionality test.
+ *
+ * [Algorithm]
+ *
+ * - Fork a child into a new namespace.
+ * - Read the child's namespace ID via NS_GET_ID ioctl on /proc/<pid>/ns/<type>.
+ * - Call listns() filtered by that namespace type.
+ * - Verify the child's namespace ID appears in the returned list.
+ */
+
+#define _GNU_SOURCE
+#include "tst_test.h"
+#include "lapi/syscalls.h"
+#include "lapi/ioctl_ns.h"
+#include "lapi/listns.h"
+
+#define NS_BUF_SIZE 256
+
+static pid_t child_pid = -1;
+static struct listns_req *req;
+
+static struct tcase {
+ const char *desc;
+ int clone_flag;
+ const char *ns_proc_name;
+} tcases[] = {
+ { "mount namespace", CLONE_NEWNS, "mnt" },
+ { "UTS namespace", CLONE_NEWUTS, "uts" },
+};
+
+static void verify_listns(unsigned int n)
+{
+ struct tcase *tc = &tcases[n];
+ char ns_path[64];
+ uint64_t ns_id;
+ uint64_t buf[NS_BUF_SIZE];
+ int fd, found;
+
+ req->size = NS_ID_REQ_SIZE_VER0;
+ req->ns_type = tc->clone_flag;
+
+ child_pid = SAFE_FORK();
+ if (!child_pid) {
+ TST_CHECKPOINT_WAIT(0);
+ SAFE_UNSHARE(tc->clone_flag);
+ TST_CHECKPOINT_WAKE_AND_WAIT(0);
+ exit(0);
+ }
+
+ TST_CHECKPOINT_WAKE_AND_WAIT(0);
+
+ snprintf(ns_path, sizeof(ns_path), "/proc/%d/ns/%s",
+ child_pid, tc->ns_proc_name);
+
+ fd = SAFE_OPEN(ns_path, O_RDONLY);
+ SAFE_IOCTL(fd, NS_GET_ID, &ns_id);
+ SAFE_CLOSE(fd);
+
+ TEST(listns(req, buf, ARRAY_SIZE(buf), 0));
+
+ TST_CHECKPOINT_WAKE(0);
+
+ if (TST_RET < 0) {
+ tst_res(TFAIL | TTERRNO, "listns() failed for %s", tc->desc);
+ return;
+ }
+
+ found = 0;
+ for (int i = 0; i < TST_RET; i++) {
+ tst_res(TDEBUG, "buf[%d] = %lu", i, buf[i]);
+ if (buf[i] == ns_id) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found)
+ tst_res(TFAIL, "listns() did not return the created %s (ns_id=%lu)",
+ tc->desc, (unsigned long)ns_id);
+ else
+ tst_res(TPASS, "listns() correctly listed the created %s",
+ tc->desc);
+}
+
+static void setup(void)
+{
+ struct listns_req req = { .size = NS_ID_REQ_SIZE_VER0 };
+
+ tst_syscall(__NR_listns, &req, NULL, 0, 0);
+}
+
+static struct tst_test test = {
+ .tcnt = ARRAY_SIZE(tcases),
+ .test = verify_listns,
+ .setup = setup,
+ .needs_root = 1,
+ .needs_checkpoints = 1,
+ .forks_child = 1,
+ .bufs = (struct tst_buffers []) {
+ {&req, .size = sizeof(*req)},
+ {},
+ },
+};
--
2.51.0
--
Mailing list info: https://lists.linux.it/listinfo/ltp
^ permalink raw reply related [flat|nested] 15+ messages in thread