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-rw-r--r--test/syscalls/linux/inotify.cc84
1 files changed, 63 insertions, 21 deletions
diff --git a/test/syscalls/linux/inotify.cc b/test/syscalls/linux/inotify.cc
index 13e096e9c..731c7046c 100644
--- a/test/syscalls/linux/inotify.cc
+++ b/test/syscalls/linux/inotify.cc
@@ -1840,9 +1840,7 @@ TEST(Inotify, IncludeUnlinkedFile_NoRandomSave) {
const TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
const TempPath file = ASSERT_NO_ERRNO_AND_VALUE(
TempPath::CreateFileWith(dir.path(), "123", TempPath::kDefaultFileMode));
-
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
+ FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
const FileDescriptor inotify_fd =
ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
@@ -1855,7 +1853,7 @@ TEST(Inotify, IncludeUnlinkedFile_NoRandomSave) {
int val = 0;
ASSERT_THAT(read(fd.get(), &val, sizeof(val)), SyscallSucceeds());
ASSERT_THAT(write(fd.get(), &val, sizeof(val)), SyscallSucceeds());
- const std::vector<Event> events =
+ std::vector<Event> events =
ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
EXPECT_THAT(events, Are({
Event(IN_ATTRIB, file_wd),
@@ -1865,6 +1863,15 @@ TEST(Inotify, IncludeUnlinkedFile_NoRandomSave) {
Event(IN_MODIFY, dir_wd, Basename(file.path())),
Event(IN_MODIFY, file_wd),
}));
+
+ fd.reset();
+ events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+ EXPECT_THAT(events, Are({
+ Event(IN_CLOSE_WRITE, dir_wd, Basename(file.path())),
+ Event(IN_CLOSE_WRITE, file_wd),
+ Event(IN_DELETE_SELF, file_wd),
+ Event(IN_IGNORED, file_wd),
+ }));
}
// Watches created with IN_EXCL_UNLINK will stop emitting events on fds for
@@ -1881,13 +1888,14 @@ TEST(Inotify, ExcludeUnlink_NoRandomSave) {
const TempPath file =
ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(dir.path()));
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
+ FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
const FileDescriptor inotify_fd =
ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
- const int wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ const int dir_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
inotify_fd.get(), dir.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
+ const int file_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ inotify_fd.get(), file.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
// Unlink the child, which should cause further operations on the open file
// descriptor to be ignored.
@@ -1895,14 +1903,28 @@ TEST(Inotify, ExcludeUnlink_NoRandomSave) {
int val = 0;
ASSERT_THAT(write(fd.get(), &val, sizeof(val)), SyscallSucceeds());
ASSERT_THAT(read(fd.get(), &val, sizeof(val)), SyscallSucceeds());
- const std::vector<Event> events =
+ std::vector<Event> events =
ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
- EXPECT_THAT(events, Are({Event(IN_DELETE, wd, Basename(file.path()))}));
+ EXPECT_THAT(events, Are({
+ Event(IN_ATTRIB, file_wd),
+ Event(IN_DELETE, dir_wd, Basename(file.path())),
+ }));
+
+ fd.reset();
+ events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+ ASSERT_THAT(events, Are({
+ Event(IN_DELETE_SELF, file_wd),
+ Event(IN_IGNORED, file_wd),
+ }));
}
// We need to disable S/R because there are filesystems where we cannot re-open
// fds to an unlinked file across S/R, e.g. gofer-backed filesytems.
TEST(Inotify, ExcludeUnlinkDirectory_NoRandomSave) {
+ // TODO(gvisor.dev/issue/1624): This test fails on VFS1. Remove once VFS1 is
+ // deleted.
+ SKIP_IF(IsRunningWithVFS1());
+
const DisableSave ds;
const TempPath parent = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
@@ -1912,20 +1934,29 @@ TEST(Inotify, ExcludeUnlinkDirectory_NoRandomSave) {
const FileDescriptor inotify_fd =
ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
- const FileDescriptor fd =
+ FileDescriptor fd =
ASSERT_NO_ERRNO_AND_VALUE(Open(dirPath.c_str(), O_RDONLY | O_DIRECTORY));
- const int wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ const int parent_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
inotify_fd.get(), parent.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
+ const int self_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ inotify_fd.get(), dir.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
// Unlink the dir, and then close the open fd.
ASSERT_THAT(rmdir(dirPath.c_str()), SyscallSucceeds());
dir.reset();
- const std::vector<Event> events =
+ std::vector<Event> events =
ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
// No close event should appear.
ASSERT_THAT(events,
- Are({Event(IN_DELETE | IN_ISDIR, wd, Basename(dirPath))}));
+ Are({Event(IN_DELETE | IN_ISDIR, parent_wd, Basename(dirPath))}));
+
+ fd.reset();
+ events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+ ASSERT_THAT(events, Are({
+ Event(IN_DELETE_SELF, self_wd),
+ Event(IN_IGNORED, self_wd),
+ }));
}
// If "dir/child" and "dir/child2" are links to the same file, and "dir/child"
@@ -1989,10 +2020,6 @@ TEST(Inotify, ExcludeUnlinkInodeEvents_NoRandomSave) {
const FileDescriptor fd =
ASSERT_NO_ERRNO_AND_VALUE(Open(file.path().c_str(), O_RDWR));
- const FileDescriptor inotify_fd =
- ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
- const int wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
- inotify_fd.get(), dir.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
// NOTE(b/157163751): Create another link before unlinking. This is needed for
// the gofer filesystem in gVisor, where open fds will not work once the link
@@ -2006,6 +2033,13 @@ TEST(Inotify, ExcludeUnlinkInodeEvents_NoRandomSave) {
ASSERT_THAT(rc, SyscallSucceeds());
}
+ const FileDescriptor inotify_fd =
+ ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
+ const int dir_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ inotify_fd.get(), dir.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
+ const int file_wd = ASSERT_NO_ERRNO_AND_VALUE(InotifyAddWatch(
+ inotify_fd.get(), file.path(), IN_ALL_EVENTS | IN_EXCL_UNLINK));
+
// Even after unlinking, inode-level operations will trigger events regardless
// of IN_EXCL_UNLINK.
ASSERT_THAT(unlink(file.path().c_str()), SyscallSucceeds());
@@ -2015,20 +2049,28 @@ TEST(Inotify, ExcludeUnlinkInodeEvents_NoRandomSave) {
std::vector<Event> events =
ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
EXPECT_THAT(events, Are({
- Event(IN_DELETE, wd, Basename(file.path())),
- Event(IN_MODIFY, wd, Basename(file.path())),
+ Event(IN_ATTRIB, file_wd),
+ Event(IN_DELETE, dir_wd, Basename(file.path())),
+ Event(IN_MODIFY, dir_wd, Basename(file.path())),
+ Event(IN_MODIFY, file_wd),
}));
const struct timeval times[2] = {{1, 0}, {2, 0}};
ASSERT_THAT(futimes(fd.get(), times), SyscallSucceeds());
events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
- EXPECT_THAT(events, Are({Event(IN_ATTRIB, wd, Basename(file.path()))}));
+ EXPECT_THAT(events, Are({
+ Event(IN_ATTRIB, dir_wd, Basename(file.path())),
+ Event(IN_ATTRIB, file_wd),
+ }));
// S/R is disabled on this entire test due to behavior with unlink; it must
// also be disabled after this point because of fchmod.
ASSERT_THAT(fchmod(fd.get(), 0777), SyscallSucceeds());
events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
- EXPECT_THAT(events, Are({Event(IN_ATTRIB, wd, Basename(file.path()))}));
+ EXPECT_THAT(events, Are({
+ Event(IN_ATTRIB, dir_wd, Basename(file.path())),
+ Event(IN_ATTRIB, file_wd),
+ }));
}
// This test helps verify that the lock order of filesystem and inotify locks
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 16:27:12 +0000