diff options
| -rw-r--r-- | test/syscalls/linux/rlimits.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/syscalls/linux/rlimits.cc b/test/syscalls/linux/rlimits.cc index 5a6174d99..7b255d0f6 100644 --- a/test/syscalls/linux/rlimits.cc +++ b/test/syscalls/linux/rlimits.cc @@ -29,6 +29,12 @@ TEST(RlimitTest, SetRlimitHigher) { struct rlimit rl = {}; EXPECT_THAT(getrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds()); + // Lower the rlimit first, as it may be equal to /proc/sys/fs/nr_open, in + // which case even users with CAP_SYS_RESOURCE can't raise it. + rl.rlim_cur--; + rl.rlim_max--; + ASSERT_THAT(setrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds()); + rl.rlim_max++; EXPECT_THAT(setrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds()); } |