diff --git a/NEWS b/NEWS
index ef8ac4acd2..287a076e73 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,10 @@ Major new features:
   -z pack-relative-relocs option, which is supported for some targets
   in recent binutils versions.  Lazy binding doesn't apply to DT_RELR.
 
+* The functions arc4random, arc4random_buf, and arc4random_uniform have been
+  added.  The functions use a cryptographic pseudo-random number generator
+  based on ChaCha20 initilized with entropy from the kernel.
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * Support for prelink will be removed in the next release; this includes
diff --git a/include/stdlib.h b/include/stdlib.h
index 1c6f70b082..c5f5628f22 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -144,6 +144,19 @@ libc_hidden_proto (__ptsname_r)
 libc_hidden_proto (grantpt)
 libc_hidden_proto (unlockpt)
 
+__typeof (arc4random) __arc4random;
+libc_hidden_proto (__arc4random);
+__typeof (arc4random_buf) __arc4random_buf;
+libc_hidden_proto (__arc4random_buf);
+__typeof (arc4random_uniform) __arc4random_uniform;
+libc_hidden_proto (__arc4random_uniform);
+extern void __arc4random_buf_internal (void *buffer, size_t len)
+     attribute_hidden;
+/* Called from the fork function to reinitialize the internal lock in the
+   child process.  This avoids deadlocks if fork is called in multi-threaded
+   processes.  */
+extern void __arc4random_fork_subprocess (void) attribute_hidden;
+
 extern double __strtod_internal (const char *__restrict __nptr,
 				 char **__restrict __endptr, int __group)
      __THROW __nonnull ((1)) __wur;
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 60fc59c12c..9f9cc1bd7f 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -53,6 +53,8 @@ routines := \
   a64l \
   abort \
   abs \
+  arc4random \
+  arc4random_uniform \
   at_quick_exit \
   atof \
   atoi \
diff --git a/stdlib/Versions b/stdlib/Versions
index 5e9099a153..d09a308fb5 100644
--- a/stdlib/Versions
+++ b/stdlib/Versions
@@ -136,6 +136,11 @@ libc {
     strtof32; strtof64; strtof32x;
     strtof32_l; strtof64_l; strtof32x_l;
   }
+  GLIBC_2.36 {
+    arc4random;
+    arc4random_buf;
+    arc4random_uniform;
+  }
   GLIBC_PRIVATE {
     # functions which have an additional interface since they are
     # are cancelable.
diff --git a/stdlib/arc4random.c b/stdlib/arc4random.c
new file mode 100644
index 0000000000..f6553dfd7d
--- /dev/null
+++ b/stdlib/arc4random.c
@@ -0,0 +1,244 @@
+/* Pseudo Random Number Generator based on ChaCha20.
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <libc-lock.h>
+#include <not-cancel.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/param.h>
+#include <sys/random.h>
+
+/* Besides the cipher state 'ctx', it keeps two counters: 'have' is the
+   current valid bytes not yet consumed in 'buf', while 'count' is the maximum
+   number of bytes until a reseed.
+
+   Both the initial seed and reseed try to obtain entropy from the kernel
+   and abort the process if none could be obtained.
+
+   The state 'buf' improves the usage of the cipher calls, allowing to call
+   optimized implementations (if the architecture provides it) and optimize
+   arc4random calls (since only multiple calls it will encrypt the next
+   block).  */
+
+/* Maximum number bytes until reseed (16 MB).  */
+#define CHACHA20_RESEED_SIZE	(16 * 1024 * 1024)
+/* Internal buffer size in bytes (512B).  */
+#define CHACHA20_BUFSIZE        (8 * CHACHA20_BLOCK_SIZE)
+
+#include <chacha20.c>
+
+static struct arc4random_state
+{
+  uint32_t ctx[CHACHA20_STATE_LEN];
+  size_t have;
+  size_t count;
+  uint8_t buf[CHACHA20_BUFSIZE];
+} *state;
+
+/* Indicate that MADV_WIPEONFORK is supported by the kernel and thus
+   it does not require to clear the internal state.  */
+static bool __arc4random_wipeonfork = false;
+
+__libc_lock_define_initialized (, __arc4random_lock);
+
+/* Called from the fork function to reset the state if MADV_WIPEONFORK is
+   not supported and to reinit the internal lock.  */
+void
+__arc4random_fork_subprocess (void)
+{
+  if (!__arc4random_wipeonfork && state != NULL)
+    memset (state, 0, sizeof (struct arc4random_state));
+
+  __libc_lock_init (__arc4random_lock);
+}
+
+static void
+arc4random_allocate_failure (void)
+{
+  __libc_fatal ("Fatal glibc error: Cannot allocate memory for arc4random\n");
+}
+
+static void
+arc4random_getrandom_failure (void)
+{
+  __libc_fatal ("Fatal glibc error: Cannot get entropy for arc4random\n");
+}
+
+/* Fork detection is done by checking if MADV_WIPEONFORK supported.  If not
+   the fork callback will reset the state on the fork call.  It does not
+   handle direct clone calls, nor vfork or _Fork (arc4random is not
+   async-signal-safe due the internal lock usage).  */
+static void
+arc4random_init (uint8_t *buf)
+{
+  state = __mmap (NULL, sizeof (struct arc4random_state),
+		  PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+  if (state == MAP_FAILED)
+    arc4random_allocate_failure ();
+
+#ifdef MADV_WIPEONFORK
+  int r = __madvise (state, sizeof (struct arc4random_state), MADV_WIPEONFORK);
+  if (r == 0)
+    __arc4random_wipeonfork = true;
+  else if (errno != EINVAL)
+    arc4random_allocate_failure ();
+#endif
+
+  chacha20_init (state->ctx, buf, buf + CHACHA20_KEY_SIZE);
+}
+
+#define min(x,y) (((x) > (y)) ? (y) : (x))
+
+static void
+arc4random_rekey (uint8_t *rnd, size_t rndlen)
+{
+  chacha20_crypt (state->ctx, state->buf, state->buf, sizeof state->buf);
+
+  /* Mix some extra entropy if provided.  */
+  if (rnd != NULL)
+    {
+      size_t m = min (rndlen, CHACHA20_KEY_SIZE + CHACHA20_IV_SIZE);
+      for (size_t i = 0; i < m; i++)
+	state->buf[i] ^= rnd[i];
+    }
+
+  /* Immediately reinit for backtracking resistance.  */
+  chacha20_init (state->ctx, state->buf, state->buf + CHACHA20_KEY_SIZE);
+  memset (state->buf, 0, CHACHA20_KEY_SIZE + CHACHA20_IV_SIZE);
+  state->have = sizeof (state->buf) - (CHACHA20_KEY_SIZE + CHACHA20_IV_SIZE);
+}
+
+static void
+arc4random_getentropy (uint8_t *rnd, size_t len)
+{
+  if (__getrandom_nocancel (rnd, len, GRND_NONBLOCK) == len)
+    return;
+
+  int fd = __open64_nocancel ("/dev/urandom", O_RDONLY | O_CLOEXEC);
+  if (fd != -1)
+    {
+      uint8_t *p = rnd;
+      uint8_t *end = p + len;
+      do
+	{
+	  ssize_t ret = TEMP_FAILURE_RETRY (__read_nocancel (fd, p, end - p));
+	  if (ret <= 0)
+	    arc4random_getrandom_failure ();
+	  p += ret;
+	}
+      while (p < end);
+
+      if (__close_nocancel (fd) == 0)
+	return;
+    }
+  arc4random_getrandom_failure ();
+}
+
+/* Either allocates the state buffer or reinit it by reseeding the cipher
+   state with kernel entropy.  */
+static void
+arc4random_stir (void)
+{
+  uint8_t rnd[CHACHA20_KEY_SIZE + CHACHA20_IV_SIZE];
+  arc4random_getentropy (rnd, sizeof rnd);
+
+  if (state == NULL)
+    arc4random_init (rnd);
+  else
+    arc4random_rekey (rnd, sizeof rnd);
+
+  explicit_bzero (rnd, sizeof rnd);
+
+  state->have = 0;
+  memset (state->buf, 0, sizeof state->buf);
+  state->count = CHACHA20_RESEED_SIZE;
+}
+
+static void
+arc4random_check_stir (size_t len)
+{
+  if (state == NULL || state->count < len)
+    arc4random_stir ();
+  if (state->count <= len)
+    state->count = 0;
+  else
+    state->count -= len;
+}
+
+void
+__arc4random_buf_internal (void *buffer, size_t len)
+{
+  arc4random_check_stir (len);
+
+  while (len > 0)
+    {
+      if (state->have > 0)
+	{
+	  size_t m = min (len, state->have);
+	  uint8_t *ks = state->buf + sizeof (state->buf) - state->have;
+	  memcpy (buffer, ks, m);
+	  memset (ks, 0, m);
+	  buffer += m;
+	  len -= m;
+	  state->have -= m;
+	}
+      if (state->have == 0)
+	arc4random_rekey (NULL, 0);
+    }
+}
+
+void
+__arc4random_buf (void *buffer, size_t len)
+{
+  __libc_lock_lock (__arc4random_lock);
+  __arc4random_buf_internal (buffer, len);
+  __libc_lock_unlock (__arc4random_lock);
+}
+libc_hidden_def (__arc4random_buf)
+weak_alias (__arc4random_buf, arc4random_buf)
+
+
+static uint32_t
+__arc4random_internal (void)
+{
+  uint32_t r;
+
+  arc4random_check_stir (sizeof (uint32_t));
+  if (state->have < sizeof (uint32_t))
+    arc4random_rekey (NULL, 0);
+  uint8_t *ks = state->buf + sizeof (state->buf) - state->have;
+  memcpy (&r, ks, sizeof (uint32_t));
+  memset (ks, 0, sizeof (uint32_t));
+  state->have -= sizeof (uint32_t);
+
+  return r;
+}
+
+uint32_t
+__arc4random (void)
+{
+  uint32_t r;
+  __libc_lock_lock (__arc4random_lock);
+  r = __arc4random_internal ();
+  __libc_lock_unlock (__arc4random_lock);
+  return r;
+}
+libc_hidden_def (__arc4random)
+weak_alias (__arc4random, arc4random)
diff --git a/stdlib/arc4random_uniform.c b/stdlib/arc4random_uniform.c
new file mode 100644
index 0000000000..67ef5a4218
--- /dev/null
+++ b/stdlib/arc4random_uniform.c
@@ -0,0 +1,152 @@
+/* Random pseudo generator numbers between 0 and 2**-31 (inclusive)
+   uniformly distributed but with an upper_bound.
+   Copyright (C) 2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <endian.h>
+#include <libc-lock.h>
+#include <stdlib.h>
+#include <sys/param.h>
+
+/* Return the number of bytes which cover values up to the limit.  */
+__attribute__ ((const))
+static uint32_t
+byte_count (uint32_t n)
+{
+  if (n <= (1U << 8))
+    return 1;
+  else if (n <= (1U << 16))
+    return 2;
+  else if (n <= (1U << 24))
+    return 3;
+  else
+    return 4;
+}
+
+/* Fill the lower bits of the result with randomness, according to the
+   number of bytes requested.  */
+static void
+random_bytes (uint32_t *result, uint32_t byte_count)
+{
+  *result = 0;
+  unsigned char *ptr = (unsigned char *) result;
+  if (__BYTE_ORDER == __BIG_ENDIAN)
+    ptr += 4 - byte_count;
+  __arc4random_buf_internal (ptr, byte_count);
+}
+
+static uint32_t
+compute_uniform (uint32_t n)
+{
+  if (n <= 1)
+    /* There is no valid return value for a zero limit, and 0 is the
+       only possible result for limit 1.  */
+    return 0;
+
+  /* The bits variable serves as a source for bits.  Prefetch the
+     minimum number of bytes needed.  */
+  uint32_t count = byte_count (n);
+  uint32_t bits_length = count * CHAR_BIT;
+  uint32_t bits;
+  random_bytes (&bits, count);
+
+  /* Powers of two are easy.  */
+  if (powerof2 (n))
+    return bits & (n - 1);
+
+  /* The general case.  This algorithm follows Jérémie Lumbroso,
+     Optimal Discrete Uniform Generation from Coin Flips, and
+     Applications (2013), who credits Donald E. Knuth and Andrew
+     C. Yao, The complexity of nonuniform random number generation
+     (1976), for solving the general case.
+
+     The implementation below unrolls the initialization stage of the
+     loop, where v is less than n.  */
+
+  /* Use 64-bit variables even though the intermediate results are
+     never larger than 33 bits.  This ensures the code is easier to
+     compile on 64-bit architectures.  */
+  uint64_t v;
+  uint64_t c;
+
+  /* Initialize v and c.  v is the smallest power of 2 which is larger
+     than n.*/
+  {
+    uint32_t log2p1 = 32 - __builtin_clz (n);
+    v = 1ULL << log2p1;
+    c = bits & (v - 1);
+    bits >>= log2p1;
+    bits_length -= log2p1;
+  }
+
+  /* At the start of the loop, c is uniformly distributed within the
+     half-open interval [0, v), and v < 2n < 2**33.  */
+  while (true)
+    {
+      if (v >= n)
+        {
+          /* If the candidate is less than n, accept it.  */
+          if (c < n)
+            /* c is uniformly distributed on [0, n).  */
+            return c;
+          else
+            {
+              /* c is uniformly distributed on [n, v).  */
+              v -= n;
+              c -= n;
+              /* The distribution was shifted, so c is uniformly
+                 distributed on [0, v) again.  */
+            }
+        }
+      /* v < n here.  */
+
+      /* Replenish the bit source if necessary.  */
+      if (bits_length == 0)
+        {
+          /* Overwrite the least significant byte.  */
+	  random_bytes (&bits, 1);
+	  bits_length = CHAR_BIT;
+        }
+
+      /* Double the range.  No overflow because v < n < 2**32.  */
+      v *= 2;
+      /* v < 2n here.  */
+
+      /* Extract a bit and append it to c.  c remains less than v and
+         thus 2**33.  */
+      c = (c << 1) | (bits & 1);
+      bits >>= 1;
+      --bits_length;
+
+      /* At this point, c is uniformly distributed on [0, v) again,
+         and v < 2n < 2**33.  */
+    }
+}
+
+__libc_lock_define (extern , __arc4random_lock attribute_hidden)
+
+uint32_t
+__arc4random_uniform (uint32_t upper_bound)
+{
+  uint32_t r;
+  __libc_lock_lock (__arc4random_lock);
+  r = compute_uniform (upper_bound);
+  __libc_lock_unlock (__arc4random_lock);
+  return r;
+}
+libc_hidden_def (__arc4random_uniform)
+weak_alias (__arc4random_uniform, arc4random_uniform)
diff --git a/stdlib/chacha20.c b/stdlib/chacha20.c
new file mode 100644
index 0000000000..1a226c62fb
--- /dev/null
+++ b/stdlib/chacha20.c
@@ -0,0 +1,163 @@
+/* Generic ChaCha20 implementation (used on arc4random).
+   Copyright (C) 2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <array_length.h>
+#include <endian.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+/* 32-bit stream position, then 96-bit nonce.  */
+#define CHACHA20_IV_SIZE	16
+#define CHACHA20_KEY_SIZE	32
+
+#define CHACHA20_BLOCK_SIZE     64
+#define CHACHA20_BLOCK_WORDS    (CHACHA20_BLOCK_SIZE / sizeof (uint32_t))
+
+#define CHACHA20_STATE_LEN	16
+
+/* The ChaCha20 implementation is based on RFC8439 [1], omitting the final
+   XOR of the keystream with the plaintext because the plaintext is a
+   stream of zeros.  */
+
+enum chacha20_constants
+{
+  CHACHA20_CONSTANT_EXPA = 0x61707865U,
+  CHACHA20_CONSTANT_ND_3 = 0x3320646eU,
+  CHACHA20_CONSTANT_2_BY = 0x79622d32U,
+  CHACHA20_CONSTANT_TE_K = 0x6b206574U
+};
+
+static inline uint32_t
+read_unaligned_32 (const uint8_t *p)
+{
+  uint32_t r;
+  memcpy (&r, p, sizeof (r));
+  return r;
+}
+
+static inline void
+write_unaligned_32 (uint8_t *p, uint32_t v)
+{
+  memcpy (p, &v, sizeof (v));
+}
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define read_unaligned_le32(p) __builtin_bswap32 (read_unaligned_32 (p))
+# define set_state(v)		__builtin_bswap32 ((v))
+#else
+# define read_unaligned_le32(p) read_unaligned_32 ((p))
+# define set_state(v)		(v)
+#endif
+
+static inline void
+chacha20_init (uint32_t *state, const uint8_t *key, const uint8_t *iv)
+{
+  state[0]  = CHACHA20_CONSTANT_EXPA;
+  state[1]  = CHACHA20_CONSTANT_ND_3;
+  state[2]  = CHACHA20_CONSTANT_2_BY;
+  state[3]  = CHACHA20_CONSTANT_TE_K;
+
+  state[4]  = read_unaligned_le32 (key + 0 * sizeof (uint32_t));
+  state[5]  = read_unaligned_le32 (key + 1 * sizeof (uint32_t));
+  state[6]  = read_unaligned_le32 (key + 2 * sizeof (uint32_t));
+  state[7]  = read_unaligned_le32 (key + 3 * sizeof (uint32_t));
+  state[8]  = read_unaligned_le32 (key + 4 * sizeof (uint32_t));
+  state[9]  = read_unaligned_le32 (key + 5 * sizeof (uint32_t));
+  state[10] = read_unaligned_le32 (key + 6 * sizeof (uint32_t));
+  state[11] = read_unaligned_le32 (key + 7 * sizeof (uint32_t));
+
+  state[12] = read_unaligned_le32 (iv + 0 * sizeof (uint32_t));
+  state[13] = read_unaligned_le32 (iv + 1 * sizeof (uint32_t));
+  state[14] = read_unaligned_le32 (iv + 2 * sizeof (uint32_t));
+  state[15] = read_unaligned_le32 (iv + 3 * sizeof (uint32_t));
+}
+
+static inline uint32_t
+rotl32 (unsigned int shift, uint32_t word)
+{
+  return (word << (shift & 31)) | (word >> ((-shift) & 31));
+}
+
+#define QROUND(x0, x1, x2, x3) 			\
+  do {						\
+   x0 = x0 + x1; x3 = rotl32 (16, (x0 ^ x3)); 	\
+   x2 = x2 + x3; x1 = rotl32 (12, (x1 ^ x2)); 	\
+   x0 = x0 + x1; x3 = rotl32 (8,  (x0 ^ x3));	\
+   x2 = x2 + x3; x1 = rotl32 (7,  (x1 ^ x2));	\
+  } while(0)
+
+static inline void
+chacha20_block (uint32_t *state, uint32_t *stream)
+{
+  uint32_t x[CHACHA20_STATE_LEN];
+  memcpy (x, state, sizeof x);
+
+  for (int i = 0; i < 20; i += 2)
+    {
+      QROUND (x[0], x[4], x[8],  x[12]);
+      QROUND (x[1], x[5], x[9],  x[13]);
+      QROUND (x[2], x[6], x[10], x[14]);
+      QROUND (x[3], x[7], x[11], x[15]);
+
+      QROUND (x[0], x[5], x[10], x[15]);
+      QROUND (x[1], x[6], x[11], x[12]);
+      QROUND (x[2], x[7], x[8],  x[13]);
+      QROUND (x[3], x[4], x[9],  x[14]);
+    }
+
+  /* Unroll the loop a bit.  */
+  for (int i = 0; i < CHACHA20_BLOCK_WORDS / 4; i++)
+    {
+      stream[i*4+0] = set_state (x[i*4+0] + state[i*4+0]);
+      stream[i*4+1] = set_state (x[i*4+1] + state[i*4+1]);
+      stream[i*4+2] = set_state (x[i*4+2] + state[i*4+2]);
+      stream[i*4+3] = set_state (x[i*4+3] + state[i*4+3]);
+    }
+
+  state[12]++;
+}
+
+static void
+chacha20_crypt (uint32_t *state, uint8_t *dst, const uint8_t *src,
+		size_t bytes)
+{
+  uint32_t stream[CHACHA20_BLOCK_WORDS];
+
+  while (bytes >= CHACHA20_BLOCK_SIZE)
+    {
+      chacha20_block (state, stream);
+#ifdef CHACHA20_XOR_FINAL
+      for (int i = 0; i < CHACHA20_BLOCK_WORDS; i++)
+	stream[i] ^= read_unaligned_32 (&src[i * sizeof (uint32_t)]);
+#endif
+      memcpy (dst, stream, CHACHA20_BLOCK_SIZE);
+      bytes -= CHACHA20_BLOCK_SIZE;
+      dst += CHACHA20_BLOCK_SIZE;
+      src += CHACHA20_BLOCK_SIZE;
+    }
+  if (bytes != 0)
+    {
+      chacha20_block (state, stream);
+#ifdef CHACHA20_XOR_FINAL
+      for (int i = 0; i < CHACHA20_BLOCK_WORDS; i++)
+	stream[i] ^= read_unaligned_32 (&src[i * sizeof (uint32_t)]);
+#endif
+      memcpy (dst, stream, bytes);
+    }
+}
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index bf7cd438e1..f02a713a7b 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -485,6 +485,7 @@ extern unsigned short int *seed48 (unsigned short int __seed16v[3])
 extern void lcong48 (unsigned short int __param[7]) __THROW __nonnull ((1));
 
 # ifdef __USE_MISC
+#  include <bits/stdint-uintn.h>
 /* Data structure for communication with thread safe versions.  This
    type is to be regarded as opaque.  It's only exported because users
    have to allocate objects of this type.  */
@@ -533,6 +534,19 @@ extern int seed48_r (unsigned short int __seed16v[3],
 extern int lcong48_r (unsigned short int __param[7],
 		      struct drand48_data *__buffer)
      __THROW __nonnull ((1, 2));
+
+/* Return a random integer between zero and 2**32-1 (inclusive).  */
+extern uint32_t arc4random (void)
+     __THROW __wur;
+
+/* Fill the buffer with random data.  */
+extern void arc4random_buf (void *__buf, size_t __size)
+     __THROW __nonnull ((1));
+
+/* Return a random number between zero (inclusive) and the specified
+   limit (exclusive).  */
+extern uint32_t arc4random_uniform (uint32_t __upper_bound)
+     __THROW __wur;
 # endif	/* Use misc.  */
 #endif	/* Use misc or X/Open.  */
 
diff --git a/sysdeps/generic/not-cancel.h b/sysdeps/generic/not-cancel.h
index 2104efeb54..acceb9b67f 100644
--- a/sysdeps/generic/not-cancel.h
+++ b/sysdeps/generic/not-cancel.h
@@ -48,5 +48,7 @@
   (void) __writev (fd, iov, n)
 #define __fcntl64_nocancel(fd, cmd, ...) \
   __fcntl64 (fd, cmd, __VA_ARGS__)
+#define __getrandom_nocancel(buf, size, flags) \
+  __getrandom (buf, size, flags)
 
 #endif /* NOT_CANCEL_H  */
diff --git a/sysdeps/mach/hurd/_Fork.c b/sysdeps/mach/hurd/_Fork.c
index e60b86fab1..1c44b39c5b 100644
--- a/sysdeps/mach/hurd/_Fork.c
+++ b/sysdeps/mach/hurd/_Fork.c
@@ -665,6 +665,8 @@ retry:
       /* Run things that want to run in the child task to set up.  */
       RUN_HOOK (_hurd_fork_child_hook, ());
 
+      call_function_static_weak (__arc4random_fork_subprocess);
+
       /* Set up proc server-assisted fault recovery for the signal thread.  */
       _hurdsig_fault_init ();
 
diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist
index 4dc87e9061..7bd565103b 100644
--- a/sysdeps/mach/hurd/i386/libc.abilist
+++ b/sysdeps/mach/hurd/i386/libc.abilist
@@ -2289,6 +2289,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 close_range F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/mach/hurd/not-cancel.h b/sysdeps/mach/hurd/not-cancel.h
index 6ec92ced84..9a3a7ed59a 100644
--- a/sysdeps/mach/hurd/not-cancel.h
+++ b/sysdeps/mach/hurd/not-cancel.h
@@ -74,6 +74,9 @@ __typeof (__fcntl) __fcntl_nocancel;
 #define __fcntl64_nocancel(...) \
   __fcntl_nocancel (__VA_ARGS__)
 
+#define __getrandom_nocancel(buf, size, flags) \
+  __getrandom (buf, size, flags)
+
 #if IS_IN (libc)
 hidden_proto (__close_nocancel)
 hidden_proto (__close_nocancel_nostatus)
diff --git a/sysdeps/nptl/_Fork.c b/sysdeps/nptl/_Fork.c
index dd568992e2..7dc02569f6 100644
--- a/sysdeps/nptl/_Fork.c
+++ b/sysdeps/nptl/_Fork.c
@@ -43,6 +43,8 @@ _Fork (void)
       self->robust_head.list = &self->robust_head;
       INTERNAL_SYSCALL_CALL (set_robust_list, &self->robust_head,
 			     sizeof (struct robust_list_head));
+
+      call_function_static_weak (__arc4random_fork_subprocess);
     }
   return pid;
 }
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index 1b63d9e447..f8f38bb205 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2616,3 +2616,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index e7e4cf7d2a..9de1726de0 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2713,6 +2713,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index bc3d228e31..16e2532838 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2377,3 +2377,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index db7039c4ab..ae9e465088 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -496,6 +496,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _Exit F
 GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index d2add4fb49..b669f43194 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -493,6 +493,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _Exit F
 GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 355d72a30c..42daa90248 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2652,3 +2652,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 3df39bb28c..090be20f53 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2601,6 +2601,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index c4da358f80..6b7cf064bb 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2785,6 +2785,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
index 241bac70ea..3e766f64dd 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2551,6 +2551,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 78bf372b72..c0b99199a8 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -497,6 +497,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _Exit F
 GLIBC_2.4 _IO_2_1_stderr_ D 0x98
 GLIBC_2.4 _IO_2_1_stdin_ D 0x98
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 00df5c901f..4d0be7c86d 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2728,6 +2728,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index e8118569c3..b944680ede 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2701,3 +2701,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index c0d2373e64..28f7d19983 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2698,3 +2698,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 2d0fd04f54..3da7cdaca5 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2693,6 +2693,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index e39ccfb312..9fe87f15be 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2691,6 +2691,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index 1e900f86e4..c14fca2111 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2699,6 +2699,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index 9145ba7931..a363830226 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2602,6 +2602,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index e95d60d926..89b6f98667 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2740,3 +2740,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h
index 75b9e0ee1e..2c58d5ae2f 100644
--- a/sysdeps/unix/sysv/linux/not-cancel.h
+++ b/sysdeps/unix/sysv/linux/not-cancel.h
@@ -67,6 +67,13 @@ __writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
   INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
 }
 
+static inline int
+__getrandom_nocancel (void *buf, size_t buflen, unsigned int flags)
+{
+  return INTERNAL_SYSCALL_CALL (getrandom, buf, buflen, flags);
+}
+
+
 /* Uncancelable fcntl.  */
 __typeof (__fcntl) __fcntl64_nocancel;
 
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index ca934e374b..94c0ff9526 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2123,3 +2123,6 @@ GLIBC_2.35 wprintf F
 GLIBC_2.35 write F
 GLIBC_2.35 writev F
 GLIBC_2.35 wscanf F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 3820b9f235..d6188de00b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2755,6 +2755,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 464dc27fcd..8201230059 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2788,6 +2788,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 2f7e58747f..623505d783 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2510,6 +2510,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 4f3043d913..23b0d83408 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2812,3 +2812,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index 84b6ac815a..a72e8ed9cc 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2379,3 +2379,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index 4d5c19c56a..f3faecc2ae 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2579,3 +2579,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index 7c5ee8d569..105e5a9231 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2753,6 +2753,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index 50de0b46cf..c08c6c8301 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2547,6 +2547,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index 66fba013ca..8ec1005644 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2608,6 +2608,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index 38703f8aa0..5d776576f9 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2605,6 +2605,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index 6df55eb765..f5f07f612e 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2748,6 +2748,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 _IO_fprintf F
 GLIBC_2.4 _IO_printf F
 GLIBC_2.4 _IO_sprintf F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index b90569d881..be687ebe02 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2574,6 +2574,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index e88b0f101f..7f456fbb55 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2525,6 +2525,9 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index e0755272eb..c737201248 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2631,3 +2631,6 @@ GLIBC_2.35 __memcmpeq F
 GLIBC_2.35 _dl_find_object F
 GLIBC_2.35 epoll_pwait2 F
 GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F
+GLIBC_2.36 arc4random F
+GLIBC_2.36 arc4random_buf F
+GLIBC_2.36 arc4random_uniform F
