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Merge patch series "selftests/clone3: fix cap_checkpoint_restore test"

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Eva Kurchatova <eva.kurchatova@virtuozzo.com> says:

This patchset fixes misuse of libcap library interface, and existing
compilation warnings due to unused variables.

* patches from https://patch.msgid.link/20260524163840.34247-1-eva.kurchatova@virtuozzo.com:
  selftests/clone3: remove unused variables
  selftests/clone3: fix libcap interface usage

Link: https://patch.msgid.link/20260524163840.34247-1-eva.kurchatova@virtuozzo.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2026-05-27 14:11:47 +02:00
commit ee8ab98f83
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 5 additions and 19 deletions
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24
tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
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@ -53,9 +53,6 @@ static int call_clone3_set_tid(struct __test_metadata *_metadata,
}
if (pid == 0) {
int ret;
char tmp = 0;
TH_LOG("I am the child, my PID is %d (expected %d)", getpid(), set_tid[0]);
if (set_tid[0] != getpid())
@ -87,15 +84,11 @@ static int test_clone3_set_tid(struct __test_metadata *_metadata,
return ret;
}
struct libcap {
struct __user_cap_header_struct hdr;
struct __user_cap_data_struct data[2];
};
static int set_capability(void)
{
cap_value_t cap_values[] = { CAP_SETUID, CAP_SETGID };
struct libcap *cap;
cap_value_t cap_values[] = {
CAP_SETUID, CAP_SETGID, CAP_CHECKPOINT_RESTORE
};
int ret = -1;
cap_t caps;
@ -111,14 +104,8 @@ static int set_capability(void)
goto out;
}
cap_set_flag(caps, CAP_EFFECTIVE, 2, cap_values, CAP_SET);
cap_set_flag(caps, CAP_PERMITTED, 2, cap_values, CAP_SET);
cap = (struct libcap *) caps;
/* 40 -> CAP_CHECKPOINT_RESTORE */
cap->data[1].effective |= 1 << (40 - 32);
cap->data[1].permitted |= 1 << (40 - 32);
cap_set_flag(caps, CAP_EFFECTIVE, 3, cap_values, CAP_SET);
cap_set_flag(caps, CAP_PERMITTED, 3, cap_values, CAP_SET);
if (cap_set_proc(caps)) {
perror("cap_set_proc");
@ -135,7 +122,6 @@ TEST(clone3_cap_checkpoint_restore)
{
pid_t pid;
int status;
int ret = 0;
pid_t set_tid[1];
test_clone3_supported();