18 files changed, 246 insertions, 217 deletions

diff --git a/adb/usb_vendors.c b/adb/usb_vendors.c
index 68bb23284..19b302274 100644
--- a/adb/usb_vendors.c
+++ b/adb/usb_vendors.c
@@ -155,7 +155,10 @@
 #define VENDOR_ID_QISDA         0x1D45
 // ECS's USB Vendor ID
 #define VENDOR_ID_ECS           0x03fc
-
+// MSI's USB Vendor ID
+#define VENDOR_ID_MSI           0x0DB0
+// Wacom's USB Vendor ID
+#define VENDOR_ID_WACOM         0x0531
 
 /** built-in vendor list */
 int builtInVendorIds[] = {
@@ -219,6 +222,8 @@ int builtInVendorIds[] = {
     VENDOR_ID_NOOK,
     VENDOR_ID_QISDA,
     VENDOR_ID_ECS,
+    VENDOR_ID_MSI,
+    VENDOR_ID_WACOM,
 };
 
 #define BUILT_IN_VENDOR_COUNT    (sizeof(builtInVendorIds)/sizeof(builtInVendorIds[0]))
diff --git a/fastboot/usb_linux.c b/fastboot/usb_linux.c
index b7a9ca33a..9153c8d6c 100644
--- a/fastboot/usb_linux.c
+++ b/fastboot/usb_linux.c
@@ -75,10 +75,18 @@ struct usb_handle
     unsigned char ep_out;
 };
 
+/* True if name isn't a valid name for a USB device in /sys/bus/usb/devices.
+ * Device names are made up of numbers, dots, and dashes, e.g., '7-1.5'.
+ * We reject interfaces (e.g., '7-1.5:1.0') and host controllers (e.g. 'usb1').
+ * The name must also start with a digit, to disallow '.' and '..'
+ */
 static inline int badname(const char *name)
 {
-    while(*name) {
-        if(!isdigit(*name++)) return 1;
+    if (!isdigit(*name))
+      return 1;
+    while(*++name) {
+        if(!isdigit(*name) && *name != '.' && *name != '-')
+            return 1;
     }
     return 0;
 }
@@ -95,7 +103,8 @@ static int check(void *_desc, int len, unsigned type, int size)
     return 0;
 }
 
-static int filter_usb_device(int fd, char *ptr, int len, int writable,
+static int filter_usb_device(int fd, char* sysfs_name,
+                             char *ptr, int len, int writable,
                              ifc_match_func callback,
                              int *ept_in_id, int *ept_out_id, int *ifc_id)
 {
@@ -131,69 +140,35 @@ static int filter_usb_device(int fd, char *ptr, int len, int writable,
     info.dev_protocol = dev->bDeviceProtocol;
     info.writable = writable;
 
-    // read device serial number (if there is one)
-    info.serial_number[0] = 0;
-    if (dev->iSerialNumber) {
-        struct usbdevfs_ctrltransfer  ctrl;
-        // Keep it short enough because some bootloaders are borked if the URB len is > 255
-        // 128 is too big by 1.
-        __u16 buffer[127];
-
-        memset(buffer, 0, sizeof(buffer));
-
-        ctrl.bRequestType = USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE;
-        ctrl.bRequest = USB_REQ_GET_DESCRIPTOR;
-        ctrl.wValue = (USB_DT_STRING << 8) | dev->iSerialNumber;
-        //language ID (en-us) for serial number string
-        ctrl.wIndex = 0x0409;
-        ctrl.wLength = sizeof(buffer);
-        ctrl.data = buffer;
-        ctrl.timeout = 50;
-
-        result = ioctl(fd, USBDEVFS_CONTROL, &ctrl);
-        if (result > 0) {
-            int i;
-            // skip first word, and copy the rest to the serial string, changing shorts to bytes.
-            result /= 2;
-            for (i = 1; i < result; i++)
-                info.serial_number[i - 1] = buffer[i];
-            info.serial_number[i - 1] = 0;
-        }
-    }
+    snprintf(info.device_path, sizeof(info.device_path), "usb:%s", sysfs_name);
 
-    /* We need to get a path that represents a particular port on a particular
-     * hub.  We are passed an fd that was obtained by opening an entry under
-     * /dev/bus/usb.  Unfortunately, the names of those entries change each
-     * time devices are plugged and unplugged.  So how to get a repeatable
-     * path?  udevadm provided the inspiration.  We can get the major and
-     * minor of the device file, read the symlink that can be found here:
-     *   /sys/dev/char/<major>:<minor>
-     * and then use the last element of that path.  As a concrete example, I
-     * have an Android device at /dev/bus/usb/001/027 so working with bash:
-     *   $ ls -l /dev/bus/usb/001/027
-     *   crw-rw-r-- 1 root plugdev 189, 26 Apr  9 11:03 /dev/bus/usb/001/027
-     *   $ ls -l /sys/dev/char/189:26
-     *   lrwxrwxrwx 1 root root 0 Apr  9 11:03 /sys/dev/char/189:26 ->
-     *           ../../devices/pci0000:00/0000:00:1a.7/usb1/1-4/1-4.2/1-4.2.3
-     * So our device_path would be 1-4.2.3 which says my device is connected
-     * to port 3 of a hub on port 2 of a hub on port 4 of bus 1 (per
-     * http://www.linux-usb.org/FAQ.html).
+    /* Read device serial number (if there is one).
+     * We read the serial number from sysfs, since it's faster and more
+     * reliable than issuing a control pipe read, and also won't
+     * cause problems for devices which don't like getting descriptor
+     * requests while they're in the middle of flashing.
      */
-    info.device_path[0] = '\0';
-    result = fstat(fd, &st);
-    if (!result && S_ISCHR(st.st_mode)) {
-        char cdev[128];
-        char link[256];
-        char *slash;
-        ssize_t link_len;
-        snprintf(cdev, sizeof(cdev), "/sys/dev/char/%d:%d",
-                 major(st.st_rdev), minor(st.st_rdev));
-        link_len = readlink(cdev, link, sizeof(link) - 1);
-        if (link_len > 0) {
-            link[link_len] = '\0';
-            slash = strrchr(link, '/');
-            if (slash)
-                snprintf(info.device_path, sizeof(info.device_path), "usb:%s", slash+1);
+    info.serial_number[0] = '\0';
+    if (dev->iSerialNumber) {
+        char path[80];
+        int fd;
+
+        snprintf(path, sizeof(path),
+                 "/sys/bus/usb/devices/%s/serial", sysfs_name);
+        path[sizeof(path) - 1] = '\0';
+
+        fd = open(path, O_RDONLY);
+        if (fd >= 0) {
+            int chars_read = read(fd, info.serial_number,
+                                  sizeof(info.serial_number) - 1);
+            close(fd);
+
+            if (chars_read <= 0)
+                info.serial_number[0] = '\0';
+            else if (info.serial_number[chars_read - 1] == '\n') {
+                // strip trailing newline
+                info.serial_number[chars_read - 1] = '\0';
+            }
         }
     }
 
@@ -241,14 +216,73 @@ static int filter_usb_device(int fd, char *ptr, int len, int writable,
     return -1;
 }
 
+static int read_sysfs_string(const char *sysfs_name, const char *sysfs_node,
+                             char* buf, int bufsize)
+{
+    char path[80];
+    int fd, n;
+
+    snprintf(path, sizeof(path),
+             "/sys/bus/usb/devices/%s/%s", sysfs_name, sysfs_node);
+    path[sizeof(path) - 1] = '\0';
+
+    fd = open(path, O_RDONLY);
+    if (fd < 0)
+        return -1;
+
+    n = read(fd, buf, bufsize - 1);
+    close(fd);
+
+    if (n < 0)
+        return -1;
+
+    buf[n] = '\0';
+
+    return n;
+}
+
+static int read_sysfs_number(const char *sysfs_name, const char *sysfs_node)
+{
+    char buf[16];
+    int value;
+
+    if (read_sysfs_string(sysfs_name, sysfs_node, buf, sizeof(buf)) < 0)
+        return -1;
+
+    if (sscanf(buf, "%d", &value) != 1)
+        return -1;
+
+    return value;
+}
+
+/* Given the name of a USB device in sysfs, get the name for the same
+ * device in devfs. Returns 0 for success, -1 for failure.
+ */
+static int convert_to_devfs_name(const char* sysfs_name,
+                                 char* devname, int devname_size)
+{
+    int busnum, devnum;
+
+    busnum = read_sysfs_number(sysfs_name, "busnum");
+    if (busnum < 0)
+        return -1;
+
+    devnum = read_sysfs_number(sysfs_name, "devnum");
+    if (devnum < 0)
+        return -1;
+
+    snprintf(devname, devname_size, "/dev/bus/usb/%03d/%03d", busnum, devnum);
+    return 0;
+}
+
 static usb_handle *find_usb_device(const char *base, ifc_match_func callback)
 {
     usb_handle *usb = 0;
-    char busname[64], devname[64];
+    char devname[64];
     char desc[1024];
     int n, in, out, ifc;
 
-    DIR *busdir, *devdir;
+    DIR *busdir;
     struct dirent *de;
     int fd;
     int writable;
@@ -259,15 +293,7 @@ static usb_handle *find_usb_device(const char *base, ifc_match_func callback)
     while((de = readdir(busdir)) && (usb == 0)) {
         if(badname(de->d_name)) continue;
 
-        sprintf(busname, "%s/%s", base, de->d_name);
-        devdir = opendir(busname);
-        if(devdir == 0) continue;
-
-//        DBG("[ scanning %s ]\n", busname);
-        while((de = readdir(devdir)) && (usb == 0)) {
-
-            if(badname(de->d_name)) continue;
-            sprintf(devname, "%s/%s", busname, de->d_name);
+        if(!convert_to_devfs_name(de->d_name, devname, sizeof(devname))) {
 
 //            DBG("[ scanning %s ]\n", devname);
             writable = 1;
@@ -282,7 +308,7 @@ static usb_handle *find_usb_device(const char *base, ifc_match_func callback)
 
             n = read(fd, desc, sizeof(desc));
 
-            if(filter_usb_device(fd, desc, n, writable, callback,
+            if(filter_usb_device(fd, de->d_name, desc, n, writable, callback,
                                  &in, &out, &ifc) == 0) {
                 usb = calloc(1, sizeof(usb_handle));
                 strcpy(usb->fname, devname);
@@ -301,7 +327,6 @@ static usb_handle *find_usb_device(const char *base, ifc_match_func callback)
                 close(fd);
             }
         }
-        closedir(devdir);
     }
     closedir(busdir);
 
@@ -431,5 +456,5 @@ int usb_close(usb_handle *h)
 
 usb_handle *usb_open(ifc_match_func callback)
 {
-    return find_usb_device("/dev/bus/usb", callback);
+    return find_usb_device("/sys/bus/usb/devices", callback);
 }
diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index 82c579821..9a84a4ec5 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -235,74 +235,16 @@ out:
     return f;
 }
 
-/* Read a line of text till the next newline character.
- * If no newline is found before the buffer is full, continue reading till a new line is seen,
- * then return an empty buffer.  This effectively ignores lines that are too long.
- * On EOF, return null.
- */
-static char *fs_getline(char *buf, int size, FILE *file)
-{
-    int cnt = 0;
-    int eof = 0;
-    int eol = 0;
-    int c;
-
-    if (size < 1) {
-        return NULL;
-    }
-
-    while (cnt < (size - 1)) {
-        c = getc(file);
-        if (c == EOF) {
-            eof = 1;
-            break;
-        }
-
-        *(buf + cnt) = c;
-        cnt++;
-
-        if (c == '\n') {
-            eol = 1;
-            break;
-        }
-    }
-
-    /* Null terminate what we've read */
-    *(buf + cnt) = '\0';
-
-    if (eof) {
-        if (cnt) {
-            return buf;
-        } else {
-            return NULL;
-        }
-    } else if (eol) {
-        return buf;
-    } else {
-        /* The line is too long.  Read till a newline or EOF.
-         * If EOF, return null, if newline, return an empty buffer.
-         */
-        while(1) {
-            c = getc(file);
-            if (c == EOF) {
-                return NULL;
-            } else if (c == '\n') {
-                *buf = '\0';
-                return buf;
-            }
-        }
-    }
-}
-
 struct fstab *fs_mgr_read_fstab(const char *fstab_path)
 {
     FILE *fstab_file;
     int cnt, entries;
-    int len;
-    char line[256];
+    ssize_t len;
+    size_t alloc_len = 0;
+    char *line = NULL;
     const char *delim = " \t";
     char *save_ptr, *p;
-    struct fstab *fstab;
+    struct fstab *fstab = NULL;
     struct fstab_rec *recs;
     struct fs_mgr_flag_values flag_vals;
 #define FS_OPTIONS_LEN 1024
@@ -315,9 +257,8 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
     }
 
     entries = 0;
-    while (fs_getline(line, sizeof(line), fstab_file)) {
+    while ((len = getline(&line, &alloc_len, fstab_file)) != -1) {
         /* if the last character is a newline, shorten the string by 1 byte */
-        len = strlen(line);
         if (line[len - 1] == '\n') {
             line[len - 1] = '\0';
         }
@@ -334,7 +275,7 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
 
     if (!entries) {
         ERROR("No entries found in fstab\n");
-        return 0;
+        goto err;
     }
 
     /* Allocate and init the fstab structure */
@@ -346,9 +287,8 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
     fseek(fstab_file, 0, SEEK_SET);
 
     cnt = 0;
-    while (fs_getline(line, sizeof(line), fstab_file)) {
+    while ((len = getline(&line, &alloc_len, fstab_file)) != -1) {
         /* if the last character is a newline, shorten the string by 1 byte */
-        len = strlen(line);
         if (line[len - 1] == '\n') {
             line[len - 1] = '\0';
         }
@@ -373,25 +313,25 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
 
         if (!(p = strtok_r(line, delim, &save_ptr))) {
             ERROR("Error parsing mount source\n");
-            return 0;
+            goto err;
         }
         fstab->recs[cnt].blk_device = strdup(p);
 
         if (!(p = strtok_r(NULL, delim, &save_ptr))) {
             ERROR("Error parsing mount_point\n");
-            return 0;
+            goto err;
         }
         fstab->recs[cnt].mount_point = strdup(p);
 
         if (!(p = strtok_r(NULL, delim, &save_ptr))) {
             ERROR("Error parsing fs_type\n");
-            return 0;
+            goto err;
         }
         fstab->recs[cnt].fs_type = strdup(p);
 
         if (!(p = strtok_r(NULL, delim, &save_ptr))) {
             ERROR("Error parsing mount_flags\n");
-            return 0;
+            goto err;
         }
         tmp_fs_options[0] = '\0';
         fstab->recs[cnt].flags = parse_flags(p, mount_flags, NULL,
@@ -406,7 +346,7 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
 
         if (!(p = strtok_r(NULL, delim, &save_ptr))) {
             ERROR("Error parsing fs_mgr_options\n");
-            return 0;
+            goto err;
         }
         fstab->recs[cnt].fs_mgr_flags = parse_flags(p, fs_mgr_flags,
                                                     &flag_vals, NULL, 0);
@@ -419,8 +359,15 @@ struct fstab *fs_mgr_read_fstab(const char *fstab_path)
         cnt++;
     }
     fclose(fstab_file);
-
+    free(line);
     return fstab;
+
+err:
+    fclose(fstab_file);
+    free(line);
+    if (fstab)
+        fs_mgr_free_fstab(fstab);
+    return NULL;
 }
 
 void fs_mgr_free_fstab(struct fstab *fstab)
@@ -435,7 +382,6 @@ void fs_mgr_free_fstab(struct fstab *fstab)
         free(fstab->recs[i].fs_options);
         free(fstab->recs[i].key_loc);
         free(fstab->recs[i].label);
-        i++;
     }
 
     /* Free the fstab_recs array created by calloc(3) */
diff --git a/init/devices.c b/init/devices.c
index 189364201..af88c5f09 100644
--- a/init/devices.c
+++ b/init/devices.c
@@ -33,6 +33,7 @@
 #include <selinux/selinux.h>
 #include <selinux/label.h>
 #include <selinux/android.h>
+#include <selinux/avc.h>
 
 #include <private/android_filesystem_config.h>
 #include <sys/time.h>
@@ -830,6 +831,15 @@ void handle_device_fd()
         struct uevent uevent;
         parse_event(msg, &uevent);
 
+        if (sehandle && selinux_status_updated() > 0) {
+            struct selabel_handle *sehandle2;
+            sehandle2 = selinux_android_file_context_handle();
+            if (sehandle2) {
+                selabel_close(sehandle);
+                sehandle = sehandle2;
+            }
+        }
+
         handle_device_event(&uevent);
         handle_firmware_event(&uevent);
     }
@@ -896,6 +906,7 @@ void device_init(void)
     sehandle = NULL;
     if (is_selinux_enabled() > 0) {
         sehandle = selinux_android_file_context_handle();
+        selinux_status_open(true);
     }
 
     /* is 256K enough? udev uses 16MB! */
diff --git a/init/init.c b/init/init.c
index 94a201196..feac8ad8e 100644
--- a/init/init.c
+++ b/init/init.c
@@ -250,14 +250,12 @@ void service_start(struct service *svc, const char *dynamic_args)
         for (ei = svc->envvars; ei; ei = ei->next)
             add_environment(ei->name, ei->value);
 
-        setsockcreatecon(scon);
-
         for (si = svc->sockets; si; si = si->next) {
             int socket_type = (
                     !strcmp(si->type, "stream") ? SOCK_STREAM :
                         (!strcmp(si->type, "dgram") ? SOCK_DGRAM : SOCK_SEQPACKET));
             int s = create_socket(si->name, socket_type,
-                                  si->perm, si->uid, si->gid);
+                                  si->perm, si->uid, si->gid, si->socketcon ?: scon);
             if (s >= 0) {
                 publish_socket(si->name, s);
             }
@@ -265,7 +263,6 @@ void service_start(struct service *svc, const char *dynamic_args)
 
         freecon(scon);
         scon = NULL;
-        setsockcreatecon(NULL);
 
         if (svc->ioprio_class != IoSchedClass_NONE) {
             if (android_set_ioprio(getpid(), svc->ioprio_class, svc->ioprio_pri)) {
diff --git a/init/init.h b/init/init.h
index aa6a4ab02..3928d52b4 100644
--- a/init/init.h
+++ b/init/init.h
@@ -55,6 +55,7 @@ struct socketinfo {
     uid_t uid;
     gid_t gid;
     int perm;
+    const char *socketcon;
 };
 
 struct svcenvinfo {
diff --git a/init/init_parser.c b/init/init_parser.c
index 776c699aa..7c2fa8c80 100644
--- a/init/init_parser.c
+++ b/init/init_parser.c
@@ -771,7 +771,7 @@ static void parse_line_service(struct parse_state *state, int nargs, char **args
         svc->envvars = ei;
         break;
     }
-    case K_socket: {/* name type perm [ uid gid ] */
+    case K_socket: {/* name type perm [ uid gid context ] */
         struct socketinfo *si;
         if (nargs < 4) {
             parse_error(state, "socket option requires name, type, perm arguments\n");
@@ -794,6 +794,8 @@ static void parse_line_service(struct parse_state *state, int nargs, char **args
             si->uid = decode_uid(args[4]);
         if (nargs > 5)
             si->gid = decode_uid(args[5]);
+        if (nargs > 6)
+            si->socketcon = args[6];
         si->next = svc->sockets;
         svc->sockets = si;
         break;
diff --git a/init/property_service.c b/init/property_service.c
index 9ac278169..c3707691f 100644
--- a/init/property_service.c
+++ b/init/property_service.c
@@ -81,6 +81,7 @@ struct {
     { "sys.powerctl",     AID_SHELL,    0 },
     { "service.",         AID_SYSTEM,   0 },
     { "wlan.",            AID_SYSTEM,   0 },
+    { "gps.",             AID_GPS,      0 },
     { "bluetooth.",       AID_BLUETOOTH,   0 },
     { "dhcp.",            AID_SYSTEM,   0 },
     { "dhcp.",            AID_DHCP,     0 },
@@ -92,6 +93,7 @@ struct {
     { "persist.sys.",     AID_SYSTEM,   0 },
     { "persist.service.", AID_SYSTEM,   0 },
     { "persist.security.", AID_SYSTEM,   0 },
+    { "persist.gps.",      AID_GPS,      0 },
     { "persist.service.bdroid.", AID_BLUETOOTH,   0 },
     { "selinux."         , AID_SYSTEM,   0 },
     { NULL, 0, 0 }
@@ -437,10 +439,13 @@ void get_property_workspace(int *fd, int *sz)
     *sz = pa_workspace.size;
 }
 
-static void load_properties(char *data)
+static void load_properties(char *data, char *prefix)
 {
     char *key, *value, *eol, *sol, *tmp;
+    size_t plen;
 
+    if (prefix)
+        plen = strlen(prefix);
     sol = data;
     while((eol = strchr(sol, '\n'))) {
         key = sol;
@@ -456,6 +461,9 @@ static void load_properties(char *data)
         tmp = value - 2;
         while((tmp > key) && isspace(*tmp)) *tmp-- = 0;
 
+        if (prefix && strncmp(key, prefix, plen))
+            continue;
+
         while(isspace(*value)) value++;
         tmp = eol - 2;
         while((tmp > value) && isspace(*tmp)) *tmp-- = 0;
@@ -464,7 +472,7 @@ static void load_properties(char *data)
     }
 }
 
-static void load_properties_from_file(const char *fn)
+static void load_properties_from_file(const char *fn, char *prefix)
 {
     char *data;
     unsigned sz;
@@ -472,7 +480,7 @@ static void load_properties_from_file(const char *fn)
     data = read_file(fn, &sz);
 
     if(data != 0) {
-        load_properties(data);
+        load_properties(data, prefix);
         free(data);
     }
 }
@@ -545,7 +553,7 @@ void property_init(void)
 
 void property_load_boot_defaults(void)
 {
-    load_properties_from_file(PROP_PATH_RAMDISK_DEFAULT);
+    load_properties_from_file(PROP_PATH_RAMDISK_DEFAULT, NULL);
 }
 
 int properties_inited(void)
@@ -560,7 +568,7 @@ static void load_override_properties() {
 
     ret = property_get("ro.debuggable", debuggable);
     if (ret && (strcmp(debuggable, "1") == 0)) {
-        load_properties_from_file(PROP_PATH_LOCAL_OVERRIDE);
+        load_properties_from_file(PROP_PATH_LOCAL_OVERRIDE, NULL);
     }
 #endif /* ALLOW_LOCAL_PROP_OVERRIDE */
 }
@@ -582,13 +590,14 @@ void start_property_service(void)
 {
     int fd;
 
-    load_properties_from_file(PROP_PATH_SYSTEM_BUILD);
-    load_properties_from_file(PROP_PATH_SYSTEM_DEFAULT);
+    load_properties_from_file(PROP_PATH_SYSTEM_BUILD, NULL);
+    load_properties_from_file(PROP_PATH_SYSTEM_DEFAULT, NULL);
+    load_properties_from_file(PROP_PATH_FACTORY, "ro.");
     load_override_properties();
     /* Read persistent properties after all default values have been loaded. */
     load_persistent_properties();
 
-    fd = create_socket(PROP_SERVICE_NAME, SOCK_STREAM, 0666, 0, 0);
+    fd = create_socket(PROP_SERVICE_NAME, SOCK_STREAM, 0666, 0, 0, NULL);
     if(fd < 0) return;
     fcntl(fd, F_SETFD, FD_CLOEXEC);
     fcntl(fd, F_SETFL, O_NONBLOCK);
diff --git a/init/readme.txt b/init/readme.txt
index 7a5997d26..1e8c3920d 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -70,10 +70,13 @@ disabled
 setenv <name> <value>
    Set the environment variable <name> to <value> in the launched process.
 
-socket <name> <type> <perm> [ <user> [ <group> ] ]
+socket <name> <type> <perm> [ <user> [ <group> [ <context> ] ] ]
    Create a unix domain socket named /dev/socket/<name> and pass
    its fd to the launched process.  <type> must be "dgram", "stream" or "seqpacket".
    User and group default to 0.
+   Context is the SELinux security context for the socket.
+   It defaults to the service security context, as specified by seclabel or
+   computed based on the service executable file security context.
 
 user <username>
    Change to username before exec'ing this service.
diff --git a/init/util.c b/init/util.c
index 1908b3a9a..9aaa77d47 100644
--- a/init/util.c
+++ b/init/util.c
@@ -84,11 +84,15 @@ unsigned int decode_uid(const char *s)
  * daemon. We communicate the file descriptor's value via the environment
  * variable ANDROID_SOCKET_ENV_PREFIX<name> ("ANDROID_SOCKET_foo").
  */
-int create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid)
+int create_socket(const char *name, int type, mode_t perm, uid_t uid,
+                  gid_t gid, const char *socketcon)
 {
     struct sockaddr_un addr;
     int fd, ret;
-    char *secon;
+    char *filecon;
+
+    if (socketcon)
+        setsockcreatecon(socketcon);
 
     fd = socket(PF_UNIX, type, 0);
     if (fd < 0) {
@@ -96,6 +100,9 @@ int create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid)
         return -1;
     }
 
+    if (socketcon)
+        setsockcreatecon(NULL);
+
     memset(&addr, 0 , sizeof(addr));
     addr.sun_family = AF_UNIX;
     snprintf(addr.sun_path, sizeof(addr.sun_path), ANDROID_SOCKET_DIR"/%s",
@@ -107,11 +114,11 @@ int create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid)
         goto out_close;
     }
 
-    secon = NULL;
+    filecon = NULL;
     if (sehandle) {
-        ret = selabel_lookup(sehandle, &secon, addr.sun_path, S_IFSOCK);
+        ret = selabel_lookup(sehandle, &filecon, addr.sun_path, S_IFSOCK);
         if (ret == 0)
-            setfscreatecon(secon);
+            setfscreatecon(filecon);
     }
 
     ret = bind(fd, (struct sockaddr *) &addr, sizeof (addr));
@@ -121,7 +128,7 @@ int create_socket(const char *name, int type, mode_t perm, uid_t uid, gid_t gid)
     }
 
     setfscreatecon(NULL);
-    freecon(secon);
+    freecon(filecon);
 
     chown(addr.sun_path, uid, gid);
     chmod(addr.sun_path, perm);
@@ -398,7 +405,9 @@ void open_devnull_stdio(void)
 
 void get_hardware_name(char *hardware, unsigned int *revision)
 {
-    char data[1024];
+    const char *cpuinfo = "/proc/cpuinfo";
+    char *data = NULL;
+    size_t len = 0, limit = 1024;
     int fd, n;
     char *x, *hw, *rev;
 
@@ -406,14 +415,32 @@ void get_hardware_name(char *hardware, unsigned int *revision)
     if (hardware[0])
         return;
 
-    fd = open("/proc/cpuinfo", O_RDONLY);
+    fd = open(cpuinfo, O_RDONLY);
     if (fd < 0) return;
 
-    n = read(fd, data, 1023);
-    close(fd);
-    if (n < 0) return;
+    for (;;) {
+        x = realloc(data, limit);
+        if (!x) {
+            ERROR("Failed to allocate memory to read %s\n", cpuinfo);
+            goto done;
+        }
+        data = x;
+
+        n = read(fd, data + len, limit - len);
+        if (n < 0) {
+            ERROR("Failed reading %s: %s (%d)\n", cpuinfo, strerror(errno), errno);
+            goto done;
+        }
+        len += n;
 
-    data[n] = 0;
+        if (len < limit)
+            break;
+
+        /* We filled the buffer, so increase size and loop to read more */
+        limit *= 2;
+    }
+
+    data[len] = 0;
     hw = strstr(data, "\nHardware");
     rev = strstr(data, "\nRevision");
 
@@ -438,18 +465,22 @@ void get_hardware_name(char *hardware, unsigned int *revision)
             *revision = strtoul(x + 2, 0, 16);
         }
     }
+
+done:
+    close(fd);
+    free(data);
 }
 
 void import_kernel_cmdline(int in_qemu,
                            void (*import_kernel_nv)(char *name, int in_qemu))
 {
-    char cmdline[1024];
+    char cmdline[2048];
     char *ptr;
     int fd;
 
     fd = open("/proc/cmdline", O_RDONLY);
     if (fd >= 0) {
-        int n = read(fd, cmdline, 1023);
+        int n = read(fd, cmdline, sizeof(cmdline) - 1);
         if (n < 0) n = 0;
 
         /* get rid of trailing newline, it happens */
diff --git a/init/util.h b/init/util.h
index 6bca4e689..04b8129ba 100644
--- a/init/util.h
+++ b/init/util.h
@@ -26,7 +26,7 @@ static const char *coldboot_done = "/dev/.coldboot_done";
 
 int mtd_name_to_number(const char *name);
 int create_socket(const char *name, int type, mode_t perm,
-                  uid_t uid, gid_t gid);
+                  uid_t uid, gid_t gid, const char *socketcon);
 void *read_file(const char *fn, unsigned *_sz);
 time_t gettime(void);
 unsigned int decode_uid(const char *s);
diff --git a/libcorkscrew/Android.mk b/libcorkscrew/Android.mk
index d62c2d5af..e27531766 100644
--- a/libcorkscrew/Android.mk
+++ b/libcorkscrew/Android.mk
@@ -51,7 +51,7 @@ endif
 
 LOCAL_SHARED_LIBRARIES += libdl libcutils liblog libgccdemangle
 
-LOCAL_CFLAGS += -std=gnu99 -Werror
+LOCAL_CFLAGS += -std=gnu99 -Werror -Wno-unused-parameter
 LOCAL_MODULE := libcorkscrew
 LOCAL_MODULE_TAGS := optional
 
@@ -81,7 +81,7 @@ ifeq ($(HOST_OS),linux)
   LOCAL_SHARED_LIBRARIES += libgccdemangle # TODO: is this even needed on Linux?
   LOCAL_LDLIBS += -lrt
 endif
-LOCAL_CFLAGS += -std=gnu99 -Werror
+LOCAL_CFLAGS += -std=gnu99 -Werror -Wno-unused-parameter
 LOCAL_MODULE := libcorkscrew
 LOCAL_MODULE_TAGS := optional
 include $(BUILD_HOST_SHARED_LIBRARY)
diff --git a/libcorkscrew/arch-x86/backtrace-x86.c b/libcorkscrew/arch-x86/backtrace-x86.c
index e133ab6ff..ef2282137 100755
--- a/libcorkscrew/arch-x86/backtrace-x86.c
+++ b/libcorkscrew/arch-x86/backtrace-x86.c
@@ -380,7 +380,7 @@ static bool execute_dwarf(const memory_t* memory, uintptr_t ptr, cie_info_t* cie
         case DW_CFA_offset_extended: // probably we don't have it on x86.
             if (!try_get_uleb128(memory, ptr, &reg, cursor)) return false;
             if (!try_get_uleb128(memory, ptr, &offset, cursor)) return false;
-            if (reg > DWARF_REGISTERS) {
+            if (reg >= DWARF_REGISTERS) {
                 ALOGE("DW_CFA_offset_extended: r%d exceeds supported number of registers (%d)", reg, DWARF_REGISTERS);
                 return false;
             }
@@ -390,39 +390,39 @@ static bool execute_dwarf(const memory_t* memory, uintptr_t ptr, cie_info_t* cie
             break;
         case DW_CFA_restore_extended: // probably we don't have it on x86.
             if (!try_get_uleb128(memory, ptr, &reg, cursor)) return false;
-            dstate->regs[reg].rule = stack->regs[reg].rule;
-            dstate->regs[reg].value = stack->regs[reg].value;
-            if (reg > DWARF_REGISTERS) {
+            if (reg >= DWARF_REGISTERS) {
                 ALOGE("DW_CFA_restore_extended: r%d exceeds supported number of registers (%d)", reg, DWARF_REGISTERS);
                 return false;
             }
+            dstate->regs[reg].rule = stack->regs[reg].rule;
+            dstate->regs[reg].value = stack->regs[reg].value;
             ALOGV("DW_CFA_restore: r%d = %c(%d)", reg, dstate->regs[reg].rule, dstate->regs[reg].value);
             break;
         case DW_CFA_undefined: // probably we don't have it on x86.
             if (!try_get_uleb128(memory, ptr, &reg, cursor)) return false;
-            dstate->regs[reg].rule = 'u';
-            dstate->regs[reg].value = 0;
-            if (reg > DWARF_REGISTERS) {
+            if (reg >= DWARF_REGISTERS) {
                 ALOGE("DW_CFA_undefined: r%d exceeds supported number of registers (%d)", reg, DWARF_REGISTERS);
                 return false;
             }
+            dstate->regs[reg].rule = 'u';
+            dstate->regs[reg].value = 0;
             ALOGV("DW_CFA_undefined: r%d", reg);
             break;
         case DW_CFA_same_value: // probably we don't have it on x86.
             if (!try_get_uleb128(memory, ptr, &reg, cursor)) return false;
-            dstate->regs[reg].rule = 's';
-            dstate->regs[reg].value = 0;
-            if (reg > DWARF_REGISTERS) {
+            if (reg >= DWARF_REGISTERS) {
                 ALOGE("DW_CFA_undefined: r%d exceeds supported number of registers (%d)", reg, DWARF_REGISTERS);
                 return false;
             }
+            dstate->regs[reg].rule = 's';
+            dstate->regs[reg].value = 0;
             ALOGV("DW_CFA_same_value: r%d", reg);
             break;
         case DW_CFA_register: // probably we don't have it on x86.
             if (!try_get_uleb128(memory, ptr, &reg, cursor)) return false;
             /* that's new register actually, not offset */
             if (!try_get_uleb128(memory, ptr, &offset, cursor)) return false;
-            if (reg > DWARF_REGISTERS || offset > DWARF_REGISTERS) {
+            if (reg >= DWARF_REGISTERS || offset >= DWARF_REGISTERS) {
                 ALOGE("DW_CFA_register: r%d or r%d exceeds supported number of registers (%d)", reg, offset, DWARF_REGISTERS);
                 return false;
             }
@@ -520,7 +520,7 @@ static bool get_old_register_value(const memory_t* memory, uint32_t cfa,
 
 /* Updaing state based on dwarf state. */
 static bool update_state(const memory_t* memory, unwind_state_t* state,
-                         dwarf_state_t* dstate, cie_info_t* cie_info) {
+                         dwarf_state_t* dstate) {
     unwind_state_t newstate;
     /* We can restore more registers here if we need them. Meanwile doing minimal work here. */
     /* Getting CFA. */
@@ -550,7 +550,6 @@ static bool update_state(const memory_t* memory, unwind_state_t* state,
 
 /* Execute CIE and FDE instructions for FDE found with find_fde. */
 static bool execute_fde(const memory_t* memory,
-                        const map_info_t* map_info_list,
                         uintptr_t fde,
                         unwind_state_t* state) {
     uint32_t fde_length = 0;
@@ -753,7 +752,7 @@ static bool execute_fde(const memory_t* memory,
         ALOGV("IP: %x, LOC: %x", state->reg[DWARF_EIP], dstate->loc);
     }
 
-    return update_state(memory, state, dstate, cie_info);
+    return update_state(memory, state, dstate);
 }
 
 static ssize_t unwind_backtrace_common(const memory_t* memory,
@@ -805,7 +804,7 @@ static ssize_t unwind_backtrace_common(const memory_t* memory,
 
         uint32_t stack_top = state->reg[DWARF_ESP];
 
-        if (!execute_fde(memory, map_info_list, fde, state)) break;
+        if (!execute_fde(memory, fde, state)) break;
 
         if (frame) {
             frame->stack_top = stack_top;
diff --git a/libcutils/ashmem-dev.c b/libcutils/ashmem-dev.c
index 8b71f87de..3089a942d 100644
--- a/libcutils/ashmem-dev.c
+++ b/libcutils/ashmem-dev.c
@@ -48,7 +48,7 @@ int ashmem_create_region(const char *name, size_t size)
 		return fd;
 
 	if (name) {
-		char buf[ASHMEM_NAME_LEN];
+		char buf[ASHMEM_NAME_LEN] = {0};
 
 		strlcpy(buf, name, sizeof(buf));
 		ret = ioctl(fd, ASHMEM_SET_NAME, buf);
diff --git a/libsparse/output_file.c b/libsparse/output_file.c
index 5014e4a87..24280227e 100644
--- a/libsparse/output_file.c
+++ b/libsparse/output_file.c
@@ -46,15 +46,6 @@
 #define off64_t off_t
 #endif
 
-#ifdef __BIONIC__
-extern void*  __mmap2(void *, size_t, int, int, int, off_t);
-static inline void *mmap64(void *addr, size_t length, int prot, int flags,
-        int fd, off64_t offset)
-{
-    return __mmap2(addr, length, prot, flags, fd, offset >> 12);
-}
-#endif
-
 #define min(a, b) \
 	({ typeof(a) _a = (a); typeof(b) _b = (b); (_a < _b) ? _a : _b; })
 
diff --git a/mkbootimg/bootimg.h b/mkbootimg/bootimg.h
index 242ab35db..9171d85a7 100644
--- a/mkbootimg/bootimg.h
+++ b/mkbootimg/bootimg.h
@@ -24,6 +24,7 @@ typedef struct boot_img_hdr boot_img_hdr;
 #define BOOT_MAGIC_SIZE 8
 #define BOOT_NAME_SIZE 16
 #define BOOT_ARGS_SIZE 512
+#define BOOT_EXTRA_ARGS_SIZE 1024
 
 struct boot_img_hdr
 {
@@ -43,10 +44,14 @@ struct boot_img_hdr
     unsigned unused[2];    /* future expansion: should be 0 */
 
     unsigned char name[BOOT_NAME_SIZE]; /* asciiz product name */
-    
+
     unsigned char cmdline[BOOT_ARGS_SIZE];
 
     unsigned id[8]; /* timestamp / checksum / sha1 / etc */
+
+    /* Supplemental command line data; kept here to maintain
+     * binary compatibility with older versions of mkbootimg */
+    unsigned char extra_cmdline[BOOT_EXTRA_ARGS_SIZE];
 };
 
 /*
diff --git a/mkbootimg/mkbootimg.c b/mkbootimg/mkbootimg.c
index 34a879b5a..d598f0395 100644
--- a/mkbootimg/mkbootimg.c
+++ b/mkbootimg/mkbootimg.c
@@ -114,6 +114,7 @@ int main(int argc, char **argv)
     unsigned ramdisk_offset = 0x01000000;
     unsigned second_offset  = 0x00f00000;
     unsigned tags_offset    = 0x00000100;
+    size_t cmdlen;
 
     argc--;
     argv++;
@@ -192,11 +193,19 @@ int main(int argc, char **argv)
 
     memcpy(hdr.magic, BOOT_MAGIC, BOOT_MAGIC_SIZE);
 
-    if(strlen(cmdline) > (BOOT_ARGS_SIZE - 1)) {
+    cmdlen = strlen(cmdline);
+    if(cmdlen > (BOOT_ARGS_SIZE + BOOT_EXTRA_ARGS_SIZE - 2)) {
         fprintf(stderr,"error: kernel commandline too large\n");
         return 1;
     }
-    strcpy((char*)hdr.cmdline, cmdline);
+    /* Even if we need to use the supplemental field, ensure we
+     * are still NULL-terminated */
+    strncpy((char *)hdr.cmdline, cmdline, BOOT_ARGS_SIZE - 1);
+    hdr.cmdline[BOOT_ARGS_SIZE - 1] = '\0';
+    if (cmdlen >= (BOOT_ARGS_SIZE - 1)) {
+        cmdline += (BOOT_ARGS_SIZE - 1);
+        strncpy((char *)hdr.extra_cmdline, cmdline, BOOT_EXTRA_ARGS_SIZE);
+    }
 
     kernel_data = load_file(kernel_fn, &hdr.kernel_size);
     if(kernel_data == 0) {
diff --git a/rootdir/init.rc b/rootdir/init.rc
index cd995742f..580077220 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -345,7 +345,6 @@ on boot
     chown root radio /proc/cmdline
 
 # Set these so we can remotely update SELinux policy
-    chown system system /sys/fs/selinux/load
     chown system system /sys/fs/selinux/enforce
 
 # Define TCP buffer sizes for various networks
@@ -415,10 +414,6 @@ service healthd-charger /sbin/healthd -n
     critical
     seclabel u:r:healthd:s0
 
-on property:selinux.reload_policy=1
-    restart ueventd
-    restart installd
-
 service console /system/bin/sh
     class core
     console