From 48ec7344e13eaeee104976fb52d3ed30c1073d5d Mon Sep 17 00:00:00 2001
From: Aleksandr Nogikh <nogikh@google.com>
Date: Wed, 14 Dec 2022 19:23:40 +0100
Subject: pkg/subsystem: extract subsystems from syz_mount_image$ calls

Dump the mapping between the currently available pseudo syscalls and the
corresponding subsystems.
---
 pkg/subsystem/extract.go | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'pkg/subsystem/extract.go')

diff --git a/pkg/subsystem/extract.go b/pkg/subsystem/extract.go
index 181c15835..e29fbab01 100644
--- a/pkg/subsystem/extract.go
+++ b/pkg/subsystem/extract.go
@@ -24,6 +24,7 @@ type Crash struct {
 func MakeLinuxSubsystemExtractor() *SubsystemExtractor {
 	return &SubsystemExtractor{
 		pathToSubsystems: linuxPathToSubsystems,
+		callToSubsystems: linuxCallToSubsystems,
 	}
 }
 
@@ -60,6 +61,58 @@ func linuxPathToSubsystems(path string) []string {
 	return ret
 }
 
+func linuxCallToSubsystems(call string) []string {
+	name := linuxCallToSubsystemsMap[call]
+	if name != "" {
+		return []string{name}
+	}
+	return nil
+}
+
+var linuxCallToSubsystemsMap = map[string]string{
+	"syz_mount_image$adfs":     "adfs",
+	"syz_mount_image$affs":     "affs",
+	"syz_mount_image$befs":     "befs",
+	"syz_mount_image$bfs":      "bfs",
+	"syz_mount_image$btrfs":    "btrfs",
+	"syz_mount_image$cramfs":   "cramfs",
+	"syz_mount_image$efs":      "efs",
+	"syz_mount_image$erofs":    "erofs",
+	"syz_mount_image$exfat":    "exfat",
+	"syz_mount_image$ext4":     "ext4",
+	"syz_mount_image$f2fs":     "f2fs",
+	"syz_mount_image$gfs2":     "gfs2",
+	"syz_mount_image$gfs2meta": "gfs2",
+	"syz_mount_image$hfs":      "hfs",
+	"syz_mount_image$hfsplus":  "hfsplus",
+	"syz_mount_image$hpfs":     "hpfs",
+	"syz_mount_image$iso9660":  "iso9660",
+	"syz_mount_image$jffs2":    "jffs2",
+	"syz_mount_image$jfs":      "jfs",
+	"syz_mount_image$minix":    "minix",
+	"syz_mount_image$msdos":    "fat",
+	"syz_mount_image$nilfs2":   "nilfs2",
+	"syz_mount_image$ntfs":     "ntfs",
+	"syz_mount_image$ntfs3":    "ntfs3",
+	"syz_mount_image$ocfs2":    "ocfs2",
+	"syz_mount_image$omfs":     "omfs",
+	"syz_mount_image$qnx4":     "qnx4",
+	"syz_mount_image$qnx6":     "qnx6",
+	"syz_mount_image$reiserfs": "reiserfs",
+	"syz_mount_image$romfs":    "romfs",
+	"syz_mount_image$squashfs": "squashfs",
+	"syz_mount_image$sysv":     "sysv",
+	"syz_mount_image$tmpfs":    "tmpfs",
+	"syz_mount_image$ubifs":    "ubifs",
+	"syz_mount_image$udf":      "udf",
+	"syz_mount_image$ufs":      "ufs",
+	"syz_mount_image$v7":       "v7",
+	"syz_mount_image$vfat":     "vfat",
+	"syz_mount_image$vxfs":     "vxfs",
+	"syz_mount_image$xfs":      "xfs",
+	"syz_mount_image$zonefs":   "zonefs",
+}
+
 var (
 	vfsPathRegexp = regexp.MustCompile(`^fs/[^/]+\.c`)
 )
-- 
cgit mrf-deployment