diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 06c8176..57ed362 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -200,9 +200,7 @@
     return value;
 }
 
-bool BatteryMonitor::update(void) {
-    bool logthis;
-
+void BatteryMonitor::updateValues(void) {
     initBatteryProperties(&props);
 
     if (!mHealthdConfig->batteryPresentPath.isEmpty())
@@ -289,50 +287,44 @@
             }
         }
     }
+}
 
-    logthis = !healthd_board_battery_update(&props);
+void BatteryMonitor::logValues(void) {
+    char dmesgline[256];
+    size_t len;
+    if (props.batteryPresent) {
+        snprintf(dmesgline, sizeof(dmesgline), "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
+                 props.batteryLevel, props.batteryVoltage, props.batteryTemperature < 0 ? "-" : "",
+                 abs(props.batteryTemperature / 10), abs(props.batteryTemperature % 10),
+                 props.batteryHealth, props.batteryStatus);
 
-    if (logthis) {
-        char dmesgline[256];
-        size_t len;
-        if (props.batteryPresent) {
-            snprintf(dmesgline, sizeof(dmesgline),
-                 "battery l=%d v=%d t=%s%d.%d h=%d st=%d",
-                 props.batteryLevel, props.batteryVoltage,
-                 props.batteryTemperature < 0 ? "-" : "",
-                 abs(props.batteryTemperature / 10),
-                 abs(props.batteryTemperature % 10), props.batteryHealth,
-                 props.batteryStatus);
-
-            len = strlen(dmesgline);
-            if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
-                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
-                                " c=%d", props.batteryCurrent);
-            }
-
-            if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
-                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
-                                " fc=%d", props.batteryFullCharge);
-            }
-
-            if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
-                len += snprintf(dmesgline + len, sizeof(dmesgline) - len,
-                                " cc=%d", props.batteryCycleCount);
-            }
-        } else {
-            len = snprintf(dmesgline, sizeof(dmesgline),
-                 "battery none");
+        len = strlen(dmesgline);
+        if (!mHealthdConfig->batteryCurrentNowPath.isEmpty()) {
+            len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " c=%d",
+                            props.batteryCurrent);
         }
 
-        snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
-                 props.chargerAcOnline ? "a" : "",
-                 props.chargerUsbOnline ? "u" : "",
-                 props.chargerWirelessOnline ? "w" : "");
+        if (!mHealthdConfig->batteryFullChargePath.isEmpty()) {
+            len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " fc=%d",
+                            props.batteryFullCharge);
+        }
 
-        KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
+        if (!mHealthdConfig->batteryCycleCountPath.isEmpty()) {
+            len += snprintf(dmesgline + len, sizeof(dmesgline) - len, " cc=%d",
+                            props.batteryCycleCount);
+        }
+    } else {
+        len = snprintf(dmesgline, sizeof(dmesgline), "battery none");
     }
 
-    healthd_mode_ops->battery_update(&props);
+    snprintf(dmesgline + len, sizeof(dmesgline) - len, " chg=%s%s%s",
+             props.chargerAcOnline ? "a" : "", props.chargerUsbOnline ? "u" : "",
+             props.chargerWirelessOnline ? "w" : "");
+
+    KLOG_WARNING(LOG_TAG, "%s\n", dmesgline);
+}
+
+bool BatteryMonitor::isChargerOnline() {
     return props.chargerAcOnline | props.chargerUsbOnline |
             props.chargerWirelessOnline;
 }
diff --git a/healthd/include/healthd/BatteryMonitor.h b/healthd/include/healthd/BatteryMonitor.h
index 4d1d53f..0fd3824 100644
--- a/healthd/include/healthd/BatteryMonitor.h
+++ b/healthd/include/healthd/BatteryMonitor.h
@@ -38,12 +38,15 @@
 
     BatteryMonitor();
     void init(struct healthd_config *hc);
-    bool update(void);
     int getChargeStatus();
     status_t getProperty(int id, struct BatteryProperty *val);
     void dumpState(int fd);
     friend struct BatteryProperties getBatteryProperties(BatteryMonitor* batteryMonitor);
 
+    void updateValues(void);
+    void logValues(void);
+    bool isChargerOnline();
+
   private:
     struct healthd_config *mHealthdConfig;
     Vector<String8> mChargerNames;
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index b0f3786..2573b1c 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -239,6 +239,7 @@
         "tests/files/offline/bad_eh_frame_hdr_arm64/*",
         "tests/files/offline/debug_frame_first_x86/*",
         "tests/files/offline/debug_frame_load_bias_arm/*",
+        "tests/files/offline/eh_frame_bias_x86/*",
         "tests/files/offline/eh_frame_hdr_begin_x86_64/*",
         "tests/files/offline/invalid_elf_offset_arm/*",
         "tests/files/offline/jit_debug_arm/*",
diff --git a/libunwindstack/ElfInterface.cpp b/libunwindstack/ElfInterface.cpp
index e34273c..e863f22 100644
--- a/libunwindstack/ElfInterface.cpp
+++ b/libunwindstack/ElfInterface.cpp
@@ -228,7 +228,7 @@
     case PT_GNU_EH_FRAME:
       // This is really the pointer to the .eh_frame_hdr section.
       eh_frame_hdr_offset_ = phdr.p_offset;
-      eh_frame_hdr_section_bias_ = static_cast<uint64_t>(phdr.p_paddr) - phdr.p_offset;
+      eh_frame_hdr_section_bias_ = static_cast<uint64_t>(phdr.p_vaddr) - phdr.p_offset;
       eh_frame_hdr_size_ = phdr.p_memsz;
       break;
 
diff --git a/libunwindstack/tests/ElfInterfaceTest.cpp b/libunwindstack/tests/ElfInterfaceTest.cpp
index b048b17..ea27e3e 100644
--- a/libunwindstack/tests/ElfInterfaceTest.cpp
+++ b/libunwindstack/tests/ElfInterfaceTest.cpp
@@ -1310,7 +1310,7 @@
 
   memset(&phdr, 0, sizeof(phdr));
   phdr.p_type = PT_GNU_EH_FRAME;
-  phdr.p_paddr = addr;
+  phdr.p_vaddr = addr;
   phdr.p_offset = offset;
   memory_.SetMemory(phdr_offset, &phdr, sizeof(phdr));
 
diff --git a/libunwindstack/tests/UnwindOfflineTest.cpp b/libunwindstack/tests/UnwindOfflineTest.cpp
index 72eef3e..0d58c09 100644
--- a/libunwindstack/tests/UnwindOfflineTest.cpp
+++ b/libunwindstack/tests/UnwindOfflineTest.cpp
@@ -1583,4 +1583,50 @@
   EXPECT_EQ(0x7fdd4a4170ULL, unwinder.frames()[11].sp);
 }
 
+TEST_F(UnwindOfflineTest, eh_frame_bias_x86) {
+  ASSERT_NO_FATAL_FAILURE(Init("eh_frame_bias_x86/", ARCH_X86));
+
+  Unwinder unwinder(128, maps_.get(), regs_.get(), process_memory_);
+  unwinder.Unwind();
+
+  std::string frame_info(DumpFrames(unwinder));
+  ASSERT_EQ(11U, unwinder.NumFrames()) << "Unwind:\n" << frame_info;
+  EXPECT_EQ(
+      "  #00 pc ffffe430  vdso.so (__kernel_vsyscall+16)\n"
+      "  #01 pc 00082a4b  libc.so (__epoll_pwait+43)\n"
+      "  #02 pc 000303a3  libc.so (epoll_pwait+115)\n"
+      "  #03 pc 000303ed  libc.so (epoll_wait+45)\n"
+      "  #04 pc 00010ea2  tombstoned (epoll_dispatch+226)\n"
+      "  #05 pc 0000c5e7  tombstoned (event_base_loop+1095)\n"
+      "  #06 pc 0000c193  tombstoned (event_base_dispatch+35)\n"
+      "  #07 pc 00005c77  tombstoned (main+884)\n"
+      "  #08 pc 00015f66  libc.so (__libc_init+102)\n"
+      "  #09 pc 0000360e  tombstoned (_start+98)\n"
+      "  #10 pc 00000001  <unknown>\n",
+      frame_info);
+
+  EXPECT_EQ(0xffffe430ULL, unwinder.frames()[0].pc);
+  EXPECT_EQ(0xfffe1a30ULL, unwinder.frames()[0].sp);
+  EXPECT_EQ(0xeb585a4bULL, unwinder.frames()[1].pc);
+  EXPECT_EQ(0xfffe1a40ULL, unwinder.frames()[1].sp);
+  EXPECT_EQ(0xeb5333a3ULL, unwinder.frames()[2].pc);
+  EXPECT_EQ(0xfffe1a60ULL, unwinder.frames()[2].sp);
+  EXPECT_EQ(0xeb5333edULL, unwinder.frames()[3].pc);
+  EXPECT_EQ(0xfffe1ab0ULL, unwinder.frames()[3].sp);
+  EXPECT_EQ(0xeb841ea2ULL, unwinder.frames()[4].pc);
+  EXPECT_EQ(0xfffe1ae0ULL, unwinder.frames()[4].sp);
+  EXPECT_EQ(0xeb83d5e7ULL, unwinder.frames()[5].pc);
+  EXPECT_EQ(0xfffe1b30ULL, unwinder.frames()[5].sp);
+  EXPECT_EQ(0xeb83d193ULL, unwinder.frames()[6].pc);
+  EXPECT_EQ(0xfffe1bd0ULL, unwinder.frames()[6].sp);
+  EXPECT_EQ(0xeb836c77ULL, unwinder.frames()[7].pc);
+  EXPECT_EQ(0xfffe1c00ULL, unwinder.frames()[7].sp);
+  EXPECT_EQ(0xeb518f66ULL, unwinder.frames()[8].pc);
+  EXPECT_EQ(0xfffe1d00ULL, unwinder.frames()[8].sp);
+  EXPECT_EQ(0xeb83460eULL, unwinder.frames()[9].pc);
+  EXPECT_EQ(0xfffe1d40ULL, unwinder.frames()[9].sp);
+  EXPECT_EQ(0x00000001ULL, unwinder.frames()[10].pc);
+  EXPECT_EQ(0xfffe1d74ULL, unwinder.frames()[10].sp);
+}
+
 }  // namespace unwindstack
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/libc.so b/libunwindstack/tests/files/offline/eh_frame_bias_x86/libc.so
new file mode 100644
index 0000000..f3eb615
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/libc.so
Binary files differ
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/maps.txt b/libunwindstack/tests/files/offline/eh_frame_bias_x86/maps.txt
new file mode 100644
index 0000000..7d52483
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/maps.txt
@@ -0,0 +1,3 @@
+eb503000-eb5e8000 r-xp 0 00:00 0   libc.so
+eb831000-eb852000 r-xp 0 00:00 0   tombstoned
+ffffe000-fffff000 r-xp 0 00:00 0   vdso.so
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/regs.txt b/libunwindstack/tests/files/offline/eh_frame_bias_x86/regs.txt
new file mode 100644
index 0000000..821928e
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/regs.txt
@@ -0,0 +1,9 @@
+eax: fffffffc
+ebx: 4
+ecx: eb290180
+edx: 20
+ebp: 8
+edi: 0
+esi: ffffffff
+esp: fffe1a30
+eip: ffffe430
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/stack.data b/libunwindstack/tests/files/offline/eh_frame_bias_x86/stack.data
new file mode 100644
index 0000000..b95bfac
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/stack.data
Binary files differ
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/tombstoned b/libunwindstack/tests/files/offline/eh_frame_bias_x86/tombstoned
new file mode 100644
index 0000000..aefdb6b
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/tombstoned
Binary files differ
diff --git a/libunwindstack/tests/files/offline/eh_frame_bias_x86/vdso.so b/libunwindstack/tests/files/offline/eh_frame_bias_x86/vdso.so
new file mode 100644
index 0000000..c71dcfb
--- /dev/null
+++ b/libunwindstack/tests/files/offline/eh_frame_bias_x86/vdso.so
Binary files differ
diff --git a/libunwindstack/tools/unwind_for_offline.cpp b/libunwindstack/tools/unwind_for_offline.cpp
index 4f67d67..64b58a8 100644
--- a/libunwindstack/tools/unwind_for_offline.cpp
+++ b/libunwindstack/tools/unwind_for_offline.cpp
@@ -275,6 +275,9 @@
 
     if (maps_by_start.count(frame.map_start) == 0) {
       map_info = maps->Find(frame.map_start);
+      if (map_info == nullptr) {
+        continue;
+      }
 
       auto info = FillInAndGetMapInfo(maps_by_start, map_info);
       bool file_copied = false;
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index 0253f2f..2251479 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -184,3 +184,10 @@
     ],
     recovery_available: true,
 }
+
+cc_fuzz {
+    name: "libziparchive_fuzzer",
+    srcs: ["libziparchive_fuzzer.cpp"],
+    static_libs: ["libziparchive", "libbase", "libz", "liblog"],
+    host_supported: true,
+}
diff --git a/libziparchive/include/ziparchive/zip_archive.h b/libziparchive/include/ziparchive/zip_archive.h
index e3ac114..391cff9 100644
--- a/libziparchive/include/ziparchive/zip_archive.h
+++ b/libziparchive/include/ziparchive/zip_archive.h
@@ -114,7 +114,7 @@
 int32_t OpenArchiveFd(const int fd, const char* debugFileName, ZipArchiveHandle* handle,
                       bool assume_ownership = true);
 
-int32_t OpenArchiveFromMemory(void* address, size_t length, const char* debugFileName,
+int32_t OpenArchiveFromMemory(const void* address, size_t length, const char* debugFileName,
                               ZipArchiveHandle* handle);
 /*
  * Close archive, releasing resources associated with it. This will
diff --git a/libziparchive/libziparchive_fuzzer.cpp b/libziparchive/libziparchive_fuzzer.cpp
new file mode 100644
index 0000000..75e7939
--- /dev/null
+++ b/libziparchive/libziparchive_fuzzer.cpp
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: Apache-2.0
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <ziparchive/zip_archive.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  ZipArchiveHandle handle = nullptr;
+  OpenArchiveFromMemory(data, size, "fuzz", &handle);
+  CloseArchive(handle);
+  return 0;
+}
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index c95b035..3a552d8 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -178,7 +178,7 @@
 #endif
 }
 
-ZipArchive::ZipArchive(void* address, size_t length)
+ZipArchive::ZipArchive(const void* address, size_t length)
     : mapped_zip(address, length),
       close_file(false),
       directory_offset(0),
@@ -471,7 +471,7 @@
   return OpenArchiveInternal(archive, fileName);
 }
 
-int32_t OpenArchiveFromMemory(void* address, size_t length, const char* debug_file_name,
+int32_t OpenArchiveFromMemory(const void* address, size_t length, const char* debug_file_name,
                               ZipArchiveHandle* handle) {
   ZipArchive* archive = new ZipArchive(address, length);
   *handle = archive;
@@ -1152,7 +1152,7 @@
   return fd_;
 }
 
-void* MappedZipFile::GetBasePtr() const {
+const void* MappedZipFile::GetBasePtr() const {
   if (has_fd_) {
     ALOGW("Zip: MappedZipFile doesn't have a base pointer.");
     return nullptr;
@@ -1188,13 +1188,14 @@
       ALOGE("Zip: invalid offset: %" PRId64 ", data length: %" PRId64 "\n", off, data_length_);
       return false;
     }
-    memcpy(buf, static_cast<uint8_t*>(base_ptr_) + off, len);
+    memcpy(buf, static_cast<const uint8_t*>(base_ptr_) + off, len);
   }
   return true;
 }
 
-void CentralDirectory::Initialize(void* map_base_ptr, off64_t cd_start_offset, size_t cd_size) {
-  base_ptr_ = static_cast<uint8_t*>(map_base_ptr) + cd_start_offset;
+void CentralDirectory::Initialize(const void* map_base_ptr, off64_t cd_start_offset,
+                                  size_t cd_size) {
+  base_ptr_ = static_cast<const uint8_t*>(map_base_ptr) + cd_start_offset;
   length_ = cd_size;
 }
 
diff --git a/libziparchive/zip_archive_private.h b/libziparchive/zip_archive_private.h
index 30a1d72..60fdec0 100644
--- a/libziparchive/zip_archive_private.h
+++ b/libziparchive/zip_archive_private.h
@@ -95,14 +95,14 @@
   explicit MappedZipFile(const int fd)
       : has_fd_(true), fd_(fd), base_ptr_(nullptr), data_length_(0) {}
 
-  explicit MappedZipFile(void* address, size_t length)
+  explicit MappedZipFile(const void* address, size_t length)
       : has_fd_(false), fd_(-1), base_ptr_(address), data_length_(static_cast<off64_t>(length)) {}
 
   bool HasFd() const { return has_fd_; }
 
   int GetFileDescriptor() const;
 
-  void* GetBasePtr() const;
+  const void* GetBasePtr() const;
 
   off64_t GetFileLength() const;
 
@@ -117,7 +117,7 @@
 
   const int fd_;
 
-  void* const base_ptr_;
+  const void* const base_ptr_;
   const off64_t data_length_;
 };
 
@@ -129,7 +129,7 @@
 
   size_t GetMapLength() const { return length_; }
 
-  void Initialize(void* map_base_ptr, off64_t cd_start_offset, size_t cd_size);
+  void Initialize(const void* map_base_ptr, off64_t cd_start_offset, size_t cd_size);
 
  private:
   const uint8_t* base_ptr_;
@@ -177,7 +177,7 @@
   ZipStringOffset* hash_table;
 
   ZipArchive(const int fd, bool assume_ownership);
-  ZipArchive(void* address, size_t length);
+  ZipArchive(const void* address, size_t length);
   ~ZipArchive();
 
   bool InitializeCentralDirectory(off64_t cd_start_offset, size_t cd_size);