diff --git a/ferrocene/doc/sphinx-shared-resources/requirements.txt b/ferrocene/doc/sphinx-shared-resources/requirements.txt
index eef32c73ba3c..b166c992e84d 100644
--- a/ferrocene/doc/sphinx-shared-resources/requirements.txt
+++ b/ferrocene/doc/sphinx-shared-resources/requirements.txt
@@ -12,9 +12,9 @@ babel==2.11.0 \
     --hash=sha256:1ad3eca1c885218f6dce2ab67291178944f810a10a9b5f3cb8382a5a232b64fe \
     --hash=sha256:5ef4b3226b0180dedded4229651c8b0e1a3a6a2837d45a073272f313e4cf97f6
     # via sphinx
-certifi==2022.12.7 \
-    --hash=sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3 \
-    --hash=sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18
+certifi==2023.7.22 \
+    --hash=sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082 \
+    --hash=sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9
     # via requests
 charset-normalizer==3.0.1 \
     --hash=sha256:00d3ffdaafe92a5dc603cb9bd5111aaa36dfa187c8285c543be562e61b755f6b \
@@ -124,9 +124,9 @@ imagesize==1.4.1 \
     --hash=sha256:0d8d18d08f840c19d0ee7ca1fd82490fdc3729b7ac93f49870406ddde8ef8d8b \
     --hash=sha256:69150444affb9cb0d5cc5a92b3676f0b2fb7cd9ae39e947a5e11a36b4497cd4a
     # via sphinx
-importlib-metadata==6.3.0 \
-    --hash=sha256:23c2bcae4762dfb0bbe072d358faec24957901d75b6c4ab11172c0c982532402 \
-    --hash=sha256:8f8bd2af397cf33bd344d35cfe7f489219b7d14fc79a3f854b75b8417e9226b0
+importlib-metadata==6.8.0 \
+    --hash=sha256:3ebb78df84a805d7698245025b975d9d67053cd94c79245ba4b3eb694abe68bb \
+    --hash=sha256:dbace7892d8c0c4ac1ad096662232f831d4e64f4c4545bd53016a3e9d4654743
     # via -r requirements.in
 jinja2==3.1.2 \
     --hash=sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852 \
@@ -212,9 +212,9 @@ packaging==23.0 \
     --hash=sha256:714ac14496c3e68c99c29b00845f7a2b85f3bb6f1078fd9f72fd20f0570002b2 \
     --hash=sha256:b6ad297f8907de0fa2fe1ccbd26fdaf387f5f47c7275fedf8cce89f99446cf97
     # via sphinx
-pygments==2.14.0 \
-    --hash=sha256:b3ed06a9e8ac9a9aae5a6f5dbe78a8a58655d17b43b93c078f094ddc476ae297 \
-    --hash=sha256:fa7bd7bd2771287c0de303af8bfdfc731f51bd2c6a47ab69d117138893b82717
+pygments==2.16.1 \
+    --hash=sha256:13fc09fa63bc8d8671a6d247e1eb303c4b343eaee81d861f3404db2935653692 \
+    --hash=sha256:1daff0494820c69bc8941e407aa20f577374ee88364ee10a98fdbe0aece96e29
     # via sphinx
 pytz==2022.7.1 \
     --hash=sha256:01a0681c4b9684a28304615eba55d1ab31ae00bf68ec157ec3708a8182dbbcd0 \
@@ -264,9 +264,9 @@ pyyaml==6.0.1 \
     # via
     #   -r requirements.in
     #   myst-parser
-requests==2.28.2 \
-    --hash=sha256:64299f4909223da747622c030b781c0d7811e359c37124b4bd368fb8c6518baa \
-    --hash=sha256:98b1b2782e3c6c4904938b84c0eb932721069dfdb9134313beff7c83c2df24bf
+requests==2.31.0 \
+    --hash=sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f \
+    --hash=sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1
     # via sphinx
 six==1.16.0 \
     --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
@@ -315,22 +315,22 @@ tomli==2.0.1 \
     --hash=sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc \
     --hash=sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f
     # via -r requirements.in
-tornado==6.2 \
-    --hash=sha256:1d54d13ab8414ed44de07efecb97d4ef7c39f7438cf5e976ccd356bebb1b5fca \
-    --hash=sha256:20f638fd8cc85f3cbae3c732326e96addff0a15e22d80f049e00121651e82e72 \
-    --hash=sha256:5c87076709343557ef8032934ce5f637dbb552efa7b21d08e89ae7619ed0eb23 \
-    --hash=sha256:5f8c52d219d4995388119af7ccaa0bcec289535747620116a58d830e7c25d8a8 \
-    --hash=sha256:6fdfabffd8dfcb6cf887428849d30cf19a3ea34c2c248461e1f7d718ad30b66b \
-    --hash=sha256:87dcafae3e884462f90c90ecc200defe5e580a7fbbb4365eda7c7c1eb809ebc9 \
-    --hash=sha256:9b630419bde84ec666bfd7ea0a4cb2a8a651c2d5cccdbdd1972a0c859dfc3c13 \
-    --hash=sha256:b8150f721c101abdef99073bf66d3903e292d851bee51910839831caba341a75 \
-    --hash=sha256:ba09ef14ca9893954244fd872798b4ccb2367c165946ce2dd7376aebdde8e3ac \
-    --hash=sha256:d3a2f5999215a3a06a4fc218026cd84c61b8b2b40ac5296a6db1f1451ef04c1e \
-    --hash=sha256:e5f923aa6a47e133d1cf87d60700889d7eae68988704e20c75fb2d65677a8e4b
+tornado==6.3.3 \
+    --hash=sha256:1bd19ca6c16882e4d37368e0152f99c099bad93e0950ce55e71daed74045908f \
+    --hash=sha256:22d3c2fa10b5793da13c807e6fc38ff49a4f6e1e3868b0a6f4164768bb8e20f5 \
+    --hash=sha256:502fba735c84450974fec147340016ad928d29f1e91f49be168c0a4c18181e1d \
+    --hash=sha256:65ceca9500383fbdf33a98c0087cb975b2ef3bfb874cb35b8de8740cf7f41bd3 \
+    --hash=sha256:71a8db65160a3c55d61839b7302a9a400074c9c753040455494e2af74e2501f2 \
+    --hash=sha256:7ac51f42808cca9b3613f51ffe2a965c8525cb1b00b7b2d56828b8045354f76a \
+    --hash=sha256:7d01abc57ea0dbb51ddfed477dfe22719d376119844e33c661d873bf9c0e4a16 \
+    --hash=sha256:805d507b1f588320c26f7f097108eb4023bbaa984d63176d1652e184ba24270a \
+    --hash=sha256:9dc4444c0defcd3929d5c1eb5706cbe1b116e762ff3e0deca8b715d14bf6ec17 \
+    --hash=sha256:ceb917a50cd35882b57600709dd5421a418c29ddc852da8bcdab1f0db33406b0 \
+    --hash=sha256:e7d8db41c0181c80d76c982aacc442c0783a2c54d6400fe028954201a2e032fe
     # via livereload
-urllib3==1.26.14 \
-    --hash=sha256:076907bf8fd355cde77728471316625a4d2f7e713c125f51953bb5b3eecf4f72 \
-    --hash=sha256:75edcdc2f7d85b137124a6c3c9fc3933cdeaa12ecb9a6a959f22797a0feca7e1
+urllib3==1.26.17 \
+    --hash=sha256:24d6a242c28d29af46c3fae832c36db3bbebcc533dd1bb549172cd739c82df21 \
+    --hash=sha256:94a757d178c9be92ef5539b8840d48dc9cf1b2709c9d6b588232a055c524458b
     # via requests
 zipp==3.14.0 \
     --hash=sha256:188834565033387710d046e3fe96acfc9b5e86cbca7f39ff69cf21a4128198b7 \
diff --git a/ferrocene/library/libc/libc-test/build.rs b/ferrocene/library/libc/libc-test/build.rs
index eb0dcb89a58c..ffb972cb4145 100644
--- a/ferrocene/library/libc/libc-test/build.rs
+++ b/ferrocene/library/libc/libc-test/build.rs
@@ -1908,6 +1908,8 @@ fn test_android(target: &str) {
 
             // Added in API level 28, but some tests use level 24.
             "pthread_attr_getinheritsched" | "pthread_attr_setinheritsched" => true,
+            // Added in API level 28, but some tests use level 24.
+            "fread_unlocked" | "fwrite_unlocked" | "fgets_unlocked" | "fflush_unlocked" => true,
 
             _ => false,
         }
@@ -3841,6 +3843,7 @@ fn test_linux(target: &str) {
             | "MADV_POPULATE_READ"
             | "MADV_POPULATE_WRITE"
             if musl => true,
+            "CLONE_CLEAR_SIGHAND" | "CLONE_INTO_CGROUP" => true,
 
             // kernel 6.1 minimum
             "MADV_COLLAPSE" => true,
diff --git a/ferrocene/library/libc/libc-test/semver/android.txt b/ferrocene/library/libc/libc-test/semver/android.txt
index 5153069559f6..31407d497975 100644
--- a/ferrocene/library/libc/libc-test/semver/android.txt
+++ b/ferrocene/library/libc/libc-test/semver/android.txt
@@ -3101,6 +3101,7 @@ ff_trigger
 fgetc
 fgetpos
 fgets
+fgets_unlocked
 fgetxattr
 fileno
 flistxattr
@@ -3116,6 +3117,7 @@ fprintf
 fputc
 fputs
 fread
+fread_unlocked
 free
 freeaddrinfo
 freeifaddrs
@@ -3144,6 +3146,7 @@ ftruncate
 ftruncate64
 futimens
 fwrite
+fwrite_unlocked
 gai_strerror
 genlmsghdr
 getaddrinfo
diff --git a/ferrocene/library/libc/libc-test/semver/linux-gnu.txt b/ferrocene/library/libc/libc-test/semver/linux-gnu.txt
index 8f19e5866a72..c37333b96404 100644
--- a/ferrocene/library/libc/libc-test/semver/linux-gnu.txt
+++ b/ferrocene/library/libc/libc-test/semver/linux-gnu.txt
@@ -32,6 +32,8 @@ BTRFS_SUPER_MAGIC
 CGROUP2_SUPER_MAGIC
 CGROUP_SUPER_MAGIC
 CLONE_NEWTIME
+CLONE_CLEAR_SIGHAND
+CLONE_INTO_CGROUP
 CODA_SUPER_MAGIC
 CRAMFS_MAGIC
 DEAD_PROCESS
@@ -666,4 +668,4 @@ getmntent_r
 putpwent
 putgrent
 execveat
-close_range
\ No newline at end of file
+close_range
diff --git a/ferrocene/library/libc/src/unix/hurd/mod.rs b/ferrocene/library/libc/src/unix/hurd/mod.rs
index ba84edb8c6ff..05d75851d9e8 100644
--- a/ferrocene/library/libc/src/unix/hurd/mod.rs
+++ b/ferrocene/library/libc/src/unix/hurd/mod.rs
@@ -315,7 +315,7 @@ s! {
     pub struct msghdr {
         pub msg_name: *mut ::c_void,
         pub msg_namelen: socklen_t,
-        pub msg_iov: *mut iovec,
+        pub msg_iov: *mut ::iovec,
         pub msg_iovlen: ::c_int,
         pub msg_control: *mut ::c_void,
         pub msg_controllen: socklen_t,
diff --git a/ferrocene/library/libc/src/unix/linux_like/android/mod.rs b/ferrocene/library/libc/src/unix/linux_like/android/mod.rs
index b16998532289..beffc8c0969d 100644
--- a/ferrocene/library/libc/src/unix/linux_like/android/mod.rs
+++ b/ferrocene/library/libc/src/unix/linux_like/android/mod.rs
@@ -3708,6 +3708,20 @@ extern "C" {
         needle: *const ::c_void,
         needlelen: ::size_t,
     ) -> *mut ::c_void;
+    pub fn fread_unlocked(
+        buf: *mut ::c_void,
+        size: ::size_t,
+        nobj: ::size_t,
+        stream: *mut ::FILE,
+    ) -> ::size_t;
+    pub fn fwrite_unlocked(
+        buf: *const ::c_void,
+        size: ::size_t,
+        nobj: ::size_t,
+        stream: *mut ::FILE,
+    ) -> ::size_t;
+    pub fn fflush_unlocked(stream: *mut ::FILE) -> ::c_int;
+    pub fn fgets_unlocked(buf: *mut ::c_char, size: ::c_int, stream: *mut ::FILE) -> *mut ::c_char;
 }
 
 cfg_if! {
diff --git a/ferrocene/library/libc/src/unix/linux_like/linux/gnu/mod.rs b/ferrocene/library/libc/src/unix/linux_like/linux/gnu/mod.rs
index f31f341e2e54..175a49cd6696 100644
--- a/ferrocene/library/libc/src/unix/linux_like/linux/gnu/mod.rs
+++ b/ferrocene/library/libc/src/unix/linux_like/linux/gnu/mod.rs
@@ -946,6 +946,8 @@ pub const ELFOSABI_ARM_AEABI: u8 = 64;
 
 // linux/sched.h
 pub const CLONE_NEWTIME: ::c_int = 0x80;
+pub const CLONE_CLEAR_SIGHAND: ::c_int = 0x100000000;
+pub const CLONE_INTO_CGROUP: ::c_int = 0x200000000;
 
 // linux/keyctl.h
 pub const KEYCTL_DH_COMPUTE: u32 = 23;
diff --git a/ferrocene/library/libc/src/unix/linux_like/linux/mod.rs b/ferrocene/library/libc/src/unix/linux_like/linux/mod.rs
index da499c54d174..0b89bae3d562 100644
--- a/ferrocene/library/libc/src/unix/linux_like/linux/mod.rs
+++ b/ferrocene/library/libc/src/unix/linux_like/linux/mod.rs
@@ -4773,7 +4773,7 @@ extern "C" {
         newfd: ::c_int,
     ) -> ::c_int;
     pub fn fread_unlocked(
-        ptr: *mut ::c_void,
+        buf: *mut ::c_void,
         size: ::size_t,
         nobj: ::size_t,
         stream: *mut ::FILE,