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test-process-util: Ignore EINVAL from setresuid() and setresgid()

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If we're running in a user namespace with a single user and without
the nobody user, we'll get EINVAL from these system calls so make
sure we handle those gracefully.
This commit is contained in:
Daan De Meyer 2024-09-19 12:21:55 +02:00
parent 34a7ca6db2
commit e5c6dcac87
1 changed files with 4 additions and 2 deletions
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6
src/test/test-process-util.c
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@ -729,11 +729,13 @@ TEST(setpriority_closest) {
/* However, if the hard limit was above 30, setrlimit would succeed unprivileged, so
* check if the UID/GID can be changed before enabling the full test. */
if (setresgid(GID_NOBODY, GID_NOBODY, GID_NOBODY) < 0) {
if (!ERRNO_IS_PRIVILEGE(errno))
/* If the nobody user does not exist (user namespace) we get EINVAL. */
if (!ERRNO_IS_PRIVILEGE(errno) && errno != EINVAL)
ASSERT_OK_ERRNO(-1);
full_test = false;
} else if (setresuid(UID_NOBODY, UID_NOBODY, UID_NOBODY) < 0) {
if (!ERRNO_IS_PRIVILEGE(errno))
/* If the nobody user does not exist (user namespace) we get EINVAL. */
if (!ERRNO_IS_PRIVILEGE(errno) && errno != EINVAL)
ASSERT_OK_ERRNO(-1);
full_test = false;
} else