diff options
| author | Andrei Vagin <avagin@google.com> | 2021-01-05 09:45:27 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-01-05 09:47:30 -0800 |
| commit | 2a200811d4c95e1c84d2bdd56068f02d46ebc524 (patch) | |
| tree | 7b9de79aadc2173717747e40c9022737bc00d4d4 /test/syscalls | |
| parent | 807a080d9574e42dae83bb8bd0863b110b98a858 (diff) | |
fs/fuse: check that a task has a specified file descriptor
Reported-by: syzbot+814105309d2ae8651084@syzkaller.appspotmail.com
PiperOrigin-RevId: 350159452
Diffstat (limited to 'test/syscalls')
| -rw-r--r-- | test/syscalls/linux/mount.cc | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/test/syscalls/linux/mount.cc b/test/syscalls/linux/mount.cc index d65b7d031..15b645fb7 100644 --- a/test/syscalls/linux/mount.cc +++ b/test/syscalls/linux/mount.cc @@ -345,42 +345,6 @@ TEST(MountTest, RenameRemoveMountPoint) { ASSERT_THAT(rmdir(dir.path().c_str()), SyscallFailsWithErrno(EBUSY)); } -TEST(MountTest, MountFuseFilesystemNoDevice) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_SYS_ADMIN))); - SKIP_IF(IsRunningOnGvisor() && !IsFUSEEnabled()); - - auto const dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir()); - - // Before kernel version 4.16-rc6, FUSE mount is protected by - // capable(CAP_SYS_ADMIN). After this version, it uses - // ns_capable(CAP_SYS_ADMIN) to protect. Before the 4.16 kernel, it was not - // allowed to mount fuse file systems without the global CAP_SYS_ADMIN. - int res = mount("", dir.path().c_str(), "fuse", 0, ""); - SKIP_IF(!IsRunningOnGvisor() && res == -1 && errno == EPERM); - - EXPECT_THAT(mount("", dir.path().c_str(), "fuse", 0, ""), - SyscallFailsWithErrno(EINVAL)); -} - -TEST(MountTest, MountFuseFilesystem) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_SYS_ADMIN))); - SKIP_IF(IsRunningOnGvisor() && !IsFUSEEnabled()); - - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/fuse", O_WRONLY)); - std::string mopts = "fd=" + std::to_string(fd.get()); - - auto const dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir()); - - // See comments in MountFuseFilesystemNoDevice for the reason why we skip - // EPERM when running on Linux. - int res = mount("", dir.path().c_str(), "fuse", 0, ""); - SKIP_IF(!IsRunningOnGvisor() && res == -1 && errno == EPERM); - - auto const mount = - ASSERT_NO_ERRNO_AND_VALUE(Mount("", dir.path(), "fuse", 0, mopts, 0)); -} - } // namespace } // namespace testing |