Add exFAT file system

regression/Makefile

@@ -8,6 +8,7 @@ INITRAMFS := $(BUILD_DIR)/initramfs
 INITRAMFS_FILELIST := $(BUILD_DIR)/initramfs.filelist
 INITRAMFS_IMAGE := $(BUILD_DIR)/initramfs.cpio.gz
 EXT2_IMAGE := $(BUILD_DIR)/ext2.img
+EXFAT_IMAGE := $(BUILD_DIR)/exfat.img
 INITRAMFS_EMPTY_DIRS := \
 	$(INITRAMFS)/sbin \
 	$(INITRAMFS)/root \
@@ -15,7 +16,8 @@ INITRAMFS_EMPTY_DIRS := \
 	$(INITRAMFS)/opt \
 	$(INITRAMFS)/proc \
 	$(INITRAMFS)/dev \
-	$(INITRAMFS)/ext2
+	$(INITRAMFS)/ext2 \
+	$(INITRAMFS)/exfat
 INITRAMFS_ALL_DIRS := \
 	$(INITRAMFS)/etc \
 	$(INITRAMFS)/lib/x86_64-linux-gnu \
@@ -117,8 +119,12 @@ $(EXT2_IMAGE):
 	@dd if=/dev/zero of=$(EXT2_IMAGE) bs=2G count=1
 	@mke2fs $(EXT2_IMAGE)
 
+$(EXFAT_IMAGE):
+	@fallocate -l 64M $(EXFAT_IMAGE)
+	@mkfs.exfat $(EXFAT_IMAGE)
+
 .PHONY: build
-build: $(INITRAMFS_IMAGE) $(EXT2_IMAGE)
+build: $(INITRAMFS_IMAGE) $(EXT2_IMAGE) $(EXFAT_IMAGE)
 
 .PHONY: format
 format:
@@ -130,4 +136,4 @@ check:
 
 .PHONY: clean
 clean:
-	@rm -rf $(BUILD_DIR)
+	@rm -rf $(BUILD_DIR)

regression/syscall_test/Makefile

@@ -43,6 +43,7 @@ INITRAMFS ?= $(CUR_DIR)/../build/initramfs
 TARGET_DIR := $(INITRAMFS)/opt/syscall_test
 RUN_BASH := $(CUR_DIR)/run_syscall_test.sh
 BLOCK_LIST := $(CUR_DIR)/blocklists
+EXFAT_BLOCK_LIST := $(CUR_DIR)/blocklists.exfat
 
 .PHONY: all
 all: $(TESTS)
@@ -65,12 +66,14 @@ $(SRC_DIR):
 	@cd $@ && git clone -b 20200921.0 https://github.com/asterinas/gvisor.git .
 endif
 
-$(TARGET_DIR): $(RUN_BASH) $(BLOCK_LIST)
+$(TARGET_DIR): $(RUN_BASH) $(BLOCK_LIST) $(EXFAT_BLOCK_LIST)
 	@rm -rf $@ && mkdir -p $@
 	@# Prepare tests dir for test binaries
 	@mkdir $@/tests
 	@# Copy blocklists
 	@cp -rf $(BLOCK_LIST) $@
+	@# Copy exFAT specific blocklists
+	@cp -rf $(EXFAT_BLOCK_LIST) $@
 	@# Copy bash script
 	@cp -f $(RUN_BASH) $@
 

regression/syscall_test/blocklists.exfat/chmod_test

@@ -0,0 +1,7 @@
+ChmodTest.ChmodFileSucceeds
+ChmodTest.ChmodDirSucceeds
+ChmodTest.FchmodFileSucceeds_NoRandomSave
+ChmodTest.FchmodatFileAbsolutePath
+ChmodTest.FchmodatFile
+ChmodTest.ChmodFileToNoPermissionsSucceeds
+ChmodTest.FchmodFileToNoPermissionsSucceeds_NoRandomSave

regression/syscall_test/blocklists.exfat/link_test

@@ -0,0 +1,9 @@
+LinkTest.CanCreateLinkFile
+LinkTest.PermissionDenied
+LinkTest.CannotLinkDirectory
+LinkTest.WithOldDirFD
+LinkTest.WithNewDirFD
+LinkTest.AbsPathsWithNonDirFDs
+LinkTest.LinkDoesNotFollowSymlinks
+LinkTest.LinkatDoesNotFollowSymlinkByDefault
+LinkTest.LinkatWithSymlinkFollow

regression/syscall_test/blocklists.exfat/mkdir_test

@@ -0,0 +1,2 @@
+MkdirTest.HonorsUmask
+MkdirTest.HonorsUmask2

regression/syscall_test/blocklists.exfat/open_test

@@ -0,0 +1,2 @@
+OpenTest.OpenNoFollowSymlink
+OpenTest.SymlinkDirectory

regression/syscall_test/blocklists.exfat/stat_test

@@ -0,0 +1,2 @@
+StatTest.FstatatSymlinkDir
+StatTest.LstatELOOPPath

regression/syscall_test/blocklists.exfat/symlink_test

@@ -0,0 +1,18 @@
+SymlinkTest.CanCreateSymlinkWithCachedSourceDirent
+SymlinkTest.CanCreateSymlinkFile
+SymlinkTest.CanCreateSymlinkDir
+SymlinkTest.OldnameIsDangling
+SymlinkTest.CanEvaluateLink
+SymlinkTest.TargetIsNotMapped
+SymlinkTest.PreadFromSymlink
+SymlinkTest.ChmodSymlink
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkCreatesTarget/0
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkCreatesTarget/1
+AbsAndRelTarget/ParamSymlinkTest.CreateExistingSelfLink/0
+AbsAndRelTarget/ParamSymlinkTest.CreateExistingSelfLink/1
+AbsAndRelTarget/ParamSymlinkTest.CreateExistingParentLink/0
+AbsAndRelTarget/ParamSymlinkTest.CreateExistingParentLink/1
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkExclFails/0
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkExclFails/1
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkNoFollowFails/0
+AbsAndRelTarget/ParamSymlinkTest.OpenLinkNoFollowFails/1

regression/syscall_test/run_syscall_test.sh

@@ -18,11 +18,18 @@ NC='\033[0m'
 get_blocklist_subtests(){
     if [ -f $BLOCKLIST_DIR/$1 ]; then
         BLOCK=$(sed ':a;N;$!ba;s/\n/:/g' $BLOCKLIST_DIR/$1)
-        return 0
     else
         BLOCK=""
         return 1
     fi
+
+    for extra_dir in $EXTRA_BLOCKLISTS_DIRS ; do
+        if [ -f $SCRIPT_DIR/$extra_dir/$1 ]; then
+            BLOCK="${BLOCK}:$(sed ':a;N;$!ba;s/\n/:/g' $SCRIPT_DIR/$extra_dir/$1)"
+        fi
+    done
+
+    return 0
 }
 
 run_one_test(){
@@ -31,10 +38,11 @@ run_one_test(){
     export TEST_TMPDIR=$TEST_TMP_DIR
     ret=0
     if [ -f $TEST_BIN_DIR/$1 ]; then
-        rm -rf $TEST_TMP_DIR/*
         get_blocklist_subtests $1
         $TEST_BIN_DIR/$1 --gtest_filter=-$BLOCK
         ret=$?
+        #After executing the test, it is necessary to clean the directory to ensure no residual data remains
+        rm -rf $TEST_TMP_DIR/*
     else
         echo -e "Warning: $1 test does not exit"
         ret=1
@@ -44,6 +52,7 @@ run_one_test(){
 }
 
 rm -f $FAIL_CASES && touch $FAIL_CASES
+rm -rf $TEST_TMP_DIR/*
 
 for syscall_test in $(find $TEST_BIN_DIR/. -name \*_test) ; do
     test_name=$(basename "$syscall_test")
@@ -63,4 +72,4 @@ if [ $TESTS != $PASSED_TESTS ]; then
     cat $FAIL_CASES
 fi
 
-exit $RESULT
+exit $RESULT