[PATCH] malloc: add free_sized and free_aligned_sized from C23

Justin King jcking@google.com
Wed Jun 18 16:42:40 GMT 2025


Signed-off-by: Justin King <jcking@google.com>
---
 conform/data/stdlib.h-data                    |  4 +++
 malloc/Makefile                               |  2 ++
 malloc/Versions                               |  3 ++
 malloc/malloc.c                               | 29 ++++++++++++++++
 malloc/tst-free-aligned-sized.c               | 33 +++++++++++++++++++
 malloc/tst-free-sized.c                       | 33 +++++++++++++++++++
 manual/memory.texi                            | 31 +++++++++++++++++
 stdlib/stdlib.h                               | 11 +++++++
 sysdeps/unix/sysv/linux/aarch64/libc.abilist  |  2 ++
 .../linux/aarch64/libc_malloc_debug.abilist   |  2 ++
 sysdeps/unix/sysv/linux/alpha/libc.abilist    |  2 ++
 .../linux/alpha/libc_malloc_debug.abilist     |  2 ++
 sysdeps/unix/sysv/linux/arc/libc.abilist      |  2 ++
 .../sysv/linux/arc/libc_malloc_debug.abilist  |  2 ++
 sysdeps/unix/sysv/linux/arm/be/libc.abilist   |  2 ++
 .../linux/arm/be/libc_malloc_debug.abilist    |  2 ++
 sysdeps/unix/sysv/linux/arm/le/libc.abilist   |  2 ++
 .../linux/arm/le/libc_malloc_debug.abilist    |  2 ++
 sysdeps/unix/sysv/linux/csky/libc.abilist     |  2 ++
 .../sysv/linux/csky/libc_malloc_debug.abilist |  2 ++
 sysdeps/unix/sysv/linux/hppa/libc.abilist     |  2 ++
 .../sysv/linux/hppa/libc_malloc_debug.abilist |  2 ++
 sysdeps/unix/sysv/linux/i386/libc.abilist     |  2 ++
 .../sysv/linux/i386/libc_malloc_debug.abilist |  2 ++
 .../sysv/linux/loongarch/lp64/libc.abilist    |  2 ++
 .../loongarch/lp64/libc_malloc_debug.abilist  |  2 ++
 .../sysv/linux/m68k/coldfire/libc.abilist     |  2 ++
 .../m68k/coldfire/libc_malloc_debug.abilist   |  2 ++
 .../unix/sysv/linux/m68k/m680x0/libc.abilist  |  2 ++
 .../m68k/m680x0/libc_malloc_debug.abilist     |  2 ++
 .../sysv/linux/microblaze/be/libc.abilist     |  2 ++
 .../sysv/linux/microblaze/le/libc.abilist     |  2 ++
 .../sysv/linux/mips/mips32/fpu/libc.abilist   |  2 ++
 .../mips/mips32/fpu/libc_malloc_debug.abilist |  2 ++
 .../sysv/linux/mips/mips32/nofpu/libc.abilist |  2 ++
 .../mips32/nofpu/libc_malloc_debug.abilist    |  2 ++
 .../sysv/linux/mips/mips64/n32/libc.abilist   |  2 ++
 .../mips/mips64/n32/libc_malloc_debug.abilist |  2 ++
 .../sysv/linux/mips/mips64/n64/libc.abilist   |  2 ++
 .../mips/mips64/n64/libc_malloc_debug.abilist |  2 ++
 sysdeps/unix/sysv/linux/or1k/libc.abilist     |  2 ++
 .../linux/powerpc/powerpc32/fpu/libc.abilist  |  2 ++
 .../powerpc32/fpu/libc_malloc_debug.abilist   |  2 ++
 .../powerpc/powerpc32/nofpu/libc.abilist      |  2 ++
 .../powerpc32/nofpu/libc_malloc_debug.abilist |  2 ++
 .../linux/powerpc/powerpc64/be/libc.abilist   |  2 ++
 .../linux/powerpc/powerpc64/le/libc.abilist   |  2 ++
 .../unix/sysv/linux/riscv/rv32/libc.abilist   |  2 ++
 .../riscv/rv32/libc_malloc_debug.abilist      |  2 ++
 .../unix/sysv/linux/riscv/rv64/libc.abilist   |  2 ++
 .../riscv/rv64/libc_malloc_debug.abilist      |  2 ++
 .../unix/sysv/linux/s390/s390-32/libc.abilist |  2 ++
 .../s390/s390-32/libc_malloc_debug.abilist    |  2 ++
 .../unix/sysv/linux/s390/s390-64/libc.abilist |  2 ++
 .../s390/s390-64/libc_malloc_debug.abilist    |  2 ++
 sysdeps/unix/sysv/linux/sh/be/libc.abilist    |  2 ++
 sysdeps/unix/sysv/linux/sh/le/libc.abilist    |  2 ++
 .../linux/sh/le/libc_malloc_debug.abilist     |  2 ++
 .../sysv/linux/sparc/sparc32/libc.abilist     |  2 ++
 .../sysv/linux/sparc/sparc64/libc.abilist     |  2 ++
 .../unix/sysv/linux/x86_64/64/libc.abilist    |  2 ++
 .../linux/x86_64/64/libc_malloc_debug.abilist |  2 ++
 .../unix/sysv/linux/x86_64/x32/libc.abilist   |  2 ++
 .../x86_64/x32/libc_malloc_debug.abilist      |  2 ++
 64 files changed, 258 insertions(+)
 create mode 100644 malloc/tst-free-aligned-sized.c
 create mode 100644 malloc/tst-free-sized.c

diff --git a/conform/data/stdlib.h-data b/conform/data/stdlib.h-data
index 0f6da09166..246a734ae1 100644
--- a/conform/data/stdlib.h-data
+++ b/conform/data/stdlib.h-data
@@ -185,6 +185,10 @@ function {void*} valloc (size_t)
 #endif
 function size_t wcstombs (char*, const wchar_t*, size_t)
 function int wctomb (char*, wchar_t)
+#if defined ISO23
+function void free_sized (void*, size_t)
+function void free_aligned_sized (void*, size_t, size_t)
+#endif
 
 #if !defined ISO && !defined ISO99 && !defined ISO11 && !defined ISO23 && !defined POSIX
 allow-header stddef.h
diff --git a/malloc/Makefile b/malloc/Makefile
index 2f232f9238..04a6a356da 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -66,6 +66,8 @@ tests := \
   tst-tcfree1 tst-tcfree2 tst-tcfree3 tst-tcfree4 \
   tst-trim1 \
   tst-valloc \
+	tst-free-aligned-sized \
+	tst-free-sized \
 # tests
 
 tests-static := \
diff --git a/malloc/Versions b/malloc/Versions
index c763395c6d..604cbc8fc6 100644
--- a/malloc/Versions
+++ b/malloc/Versions
@@ -67,6 +67,9 @@ libc {
   GLIBC_2.33 {
     mallinfo2;
   }
+  GLIBC_2.42 {
+    free_sized; free_aligned_sized;
+  }
   GLIBC_PRIVATE {
     # Internal startup hook for libpthread.
     __libc_malloc_pthread_startup;
diff --git a/malloc/malloc.c b/malloc/malloc.c
index d28cd66faa..cefef4221c 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3732,6 +3732,35 @@ aligned_alloc (size_t alignment, size_t bytes)
   return _mid_memalign (alignment, bytes);
 }
 
+/* For ISO C23.  */
+void
+weak_function
+free_sized(void *ptr, size_t size)
+{
+  /* We do not perform validation that size is the same as the original
+     requested size at this time. We leave that to the sanitizers. We
+     simply forward to `free`. This allows existing malloc replacements
+     to continue to work.  */
+
+  ((void) size);
+  free(ptr);
+}
+
+/* For ISO C23.  */
+void
+weak_function
+free_aligned_sized(void *ptr, size_t alignment, size_t size)
+{
+  /* We do not perform validation that size and alignment is the same as
+     the original requested size and alignment at this time. We leave that
+     to the sanitizers. We simply forward to `free`. This allows existing
+     malloc replacements to continue to work.  */
+
+  ((void) alignment);
+  ((void) size);
+  free(ptr);
+}
+
 static void *
 _mid_memalign (size_t alignment, size_t bytes)
 {
diff --git a/malloc/tst-free-aligned-sized.c b/malloc/tst-free-aligned-sized.c
new file mode 100644
index 0000000000..029b3443dc
--- /dev/null
+++ b/malloc/tst-free-aligned-sized.c
@@ -0,0 +1,33 @@
+/* Test that free_aligned_sized works.
+   Copyright (C) 2025 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <stddef.h>
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+  free_aligned_sized(NULL, 0, 0);
+
+  void *p = aligned_alloc(128, 1024);
+  free_aligned_sized(p, 128, 1024);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
\ No newline at end of file
diff --git a/malloc/tst-free-sized.c b/malloc/tst-free-sized.c
new file mode 100644
index 0000000000..d2ebd4cecd
--- /dev/null
+++ b/malloc/tst-free-sized.c
@@ -0,0 +1,33 @@
+/* Test that free_aligned_sized works.
+   Copyright (C) 2025 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <stddef.h>
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+  free_sized(NULL, 0);
+
+  void *p = malloc(128);
+  free_sized(p, 128);
+
+  return 0;
+}
+
+#include <support/test-driver.c>
\ No newline at end of file
diff --git a/manual/memory.texi b/manual/memory.texi
index 46f76c17ca..12c7708a49 100644
--- a/manual/memory.texi
+++ b/manual/memory.texi
@@ -764,6 +764,37 @@ There is no point in freeing blocks at the end of a program, because all
 of the program's space is given back to the system when the process
 terminates.
 
+@deftypefun void free_sized (void *@var{ptr}, size_t @var{size})
+@standards{???, stdlib.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{} @acsmem{}}}
+The @code{free_sized} function deallocates the block of memory pointed at
+by @var{ptr} that was previously allocated by @code{malloc}, @code{calloc}
+or @code{realloc}. The size @var{size} must match the previously requested
+total size provided to @code{malloc}, @code{calloc} or @code{realloc}.
+Attempting to deallocated memory allocated by @code{aligned_alloc},
+@code{memalign}, @code{posix_memalign}, @code{valloc} or @code{pvalloc} is
+undefined behavior, use @code{free_aligned_sized} instead.
+@end deftypefun
+
+@deftypefun void free_aligned_sized (void *@var{ptr}, size_t @var{alignment}, size_t @var{size})
+@standards{???, stdlib.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{} @acsmem{}}}
+The @code{free_aligned_sized} function deallocates the block of memory
+pointed at by @var{ptr} that was previously allocated by
+@code{aligned_alloc}, @code{memalign}, @code{posix_memalign},
+@code{valloc} or @code{pvalloc}. The size @var{size} and alignment
+@var{alignment} must match the previously requested total size and
+alignment provided to @code{aligned_alloc}, @code{memalign} or
+@code{posix_memalign}. In the case of @code{valloc}, @var{alignment}
+must be @code{sysconf(_SC_PAGESIZE)}. In the case of @code{pvalloc},
+@var{alignment} must be @code{sysconf(_SC_PAGESIZE)} and @var{size}
+must be the original size rounded up to the next multiple of the system
+page size. Attempting to deallocated memory allocated by @code{malloc},
+@code{calloc} or @code{realloc} is undefined behavior. In the case of
+either @code{valloc} or @code{pvalloc}, it is recommended to use
+@code{free} instead due to the mentioned subtlety.
+@end deftypefun
+
 @node Changing Block Size
 @subsubsection Changing the Size of a Block
 @cindex changing the size of a block (@code{malloc})
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index cd4503c761..5009982561 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -686,6 +686,17 @@ extern void *realloc (void *__ptr, size_t __size)
 /* Free a block allocated by `malloc', `realloc' or `calloc'.  */
 extern void free (void *__ptr) __THROW;
 
+#if __GLIBC_USE(ISOC23)
+/* Free a block allocated by `malloc`, `realloc` or `calloc` but not `aligned_alloc`.
+   SIZE must be equal to the original requested size provided to `malloc`, `realloc`
+   or `calloc`. For `calloc` SIZE is NMEMB elements * SIZE bytes.  */
+extern void free_sized (void *__ptr, size_t __size) __THROW;
+
+/* Free a block allocated by `aligned_alloc`. ALIGNMENT and SIZE must be the same as
+   the values provided to `aligned_alloc`.  */
+extern void free_aligned_sized (void *__ptr, size_t __alignment, size_t __size) __THROW;
+#endif
+
 #ifdef __USE_MISC
 /* Re-allocate the previously allocated block in PTR, making the new
    block large enough for NMEMB elements of SIZE bytes each.  */
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index a22e651432..4658f2a89d 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2767,3 +2767,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
index c82c88dcf7..6cae4b367f 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.17 pvalloc F
 GLIBC_2.17 realloc F
 GLIBC_2.17 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 4b5736a3b6..0505dd4359 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -3204,3 +3204,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
index 15b3293b03..bbc437ae6d 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index b8a44784bd..6217157c02 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2528,3 +2528,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
index cf9f611403..7a0103f80b 100644
--- a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
@@ -24,3 +24,5 @@ GLIBC_2.32 pvalloc F
 GLIBC_2.32 realloc F
 GLIBC_2.32 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 959e44672f..19c8146a1b 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -2893,3 +2893,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
index e505469154..180b9c1b19 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
 GLIBC_2.4 pvalloc F
 GLIBC_2.4 realloc F
 GLIBC_2.4 valloc F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index a930d1a52b..8079aa4139 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -2890,3 +2890,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
index e505469154..180b9c1b19 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
 GLIBC_2.4 pvalloc F
 GLIBC_2.4 realloc F
 GLIBC_2.4 valloc F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 6325fc12c4..59a0fb71c5 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2804,3 +2804,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
index 4cd866430b..2685348236 100644
--- a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
@@ -24,3 +24,5 @@ GLIBC_2.29 pvalloc F
 GLIBC_2.29 realloc F
 GLIBC_2.29 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 86b3fbdeec..4428a9c6c5 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2913,3 +2913,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
index 8798ca8653..670127ccf3 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
 GLIBC_2.2 realloc F
 GLIBC_2.2 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 6555592d86..f3bb1ee551 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -3096,3 +3096,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
index a6cab9612a..f2a164e6f6 100644
--- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
@@ -2288,3 +2288,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
index 6ddfd162b3..160158c88e 100644
--- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
@@ -24,3 +24,5 @@ GLIBC_2.36 posix_memalign F
 GLIBC_2.36 pvalloc F
 GLIBC_2.36 realloc F
 GLIBC_2.36 valloc F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 7b7b72aa50..3a57e44436 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -2872,3 +2872,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
index e505469154..180b9c1b19 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
 GLIBC_2.4 pvalloc F
 GLIBC_2.4 realloc F
 GLIBC_2.4 valloc F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index df398e43c6..0291a5c1ac 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -3039,3 +3039,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index ca8df6f4b0..839edf7a78 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2853,3 +2853,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index 9508154847..172fa6cb07 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2850,3 +2850,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 4d51cc428f..c1b8c55740 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -3002,3 +3002,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 7f90fadc76..a0d69745f2 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -3000,3 +3000,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index fc366d1bd0..c2f08b5cfe 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -3008,3 +3008,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index debd5c37c9..2da91b4dcc 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2910,3 +2910,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
index 15b3293b03..bbc437ae6d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index b62d59f1af..c5f5820cdf 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2278,3 +2278,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 883e66f3ae..8974d054a2 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -3249,3 +3249,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 84cd9e0e18..ecf055741b 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -3294,3 +3294,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 8832568ab3..c7701dc144 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -3003,3 +3003,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index b6ff8016e4..cc5582dd99 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2987,3 +2987,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index 1771a2370c..143371b862 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2531,3 +2531,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
index ff6713a479..183ad64a8e 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
@@ -24,3 +24,5 @@ GLIBC_2.33 posix_memalign F
 GLIBC_2.33 pvalloc F
 GLIBC_2.33 realloc F
 GLIBC_2.33 valloc F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index 4b48352fd9..149ff92b48 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2731,3 +2731,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
index 65425a03ee..1f2f2d9b83 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
@@ -24,3 +24,5 @@ GLIBC_2.27 pvalloc F
 GLIBC_2.27 realloc F
 GLIBC_2.27 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index f0decc787b..251ed49f03 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -3261,3 +3261,5 @@ GLIBC_2.9 pututline F
 GLIBC_2.9 pututxline F
 GLIBC_2.9 updwtmp F
 GLIBC_2.9 updwtmpx F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
index 55ef952885..65e2d49cee 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
 GLIBC_2.2 mcheck_pedantic F
 GLIBC_2.2 posix_memalign F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index da8a2bfb74..11b87e3105 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -3038,3 +3038,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
index 554567ab85..72095b6888 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
 GLIBC_2.2 realloc F
 GLIBC_2.2 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index fb30341894..c53a8ee669 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2919,3 +2919,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index d716673432..79b5c1f110 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2916,3 +2916,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
index 8798ca8653..670127ccf3 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
 GLIBC_2.2 realloc F
 GLIBC_2.2 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index 6deedf216d..744becaad6 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -3268,3 +3268,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index 1ce22bf036..9aa65235b7 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2886,3 +2886,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index 564877250b..c30cd5bd18 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2835,3 +2835,5 @@ GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
index 45dfcd31c5..a0c7db451c 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.2.5 pvalloc F
 GLIBC_2.2.5 realloc F
 GLIBC_2.2.5 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index 25a39d0943..88d0aef11c 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2782,3 +2782,5 @@ GLIBC_2.42 uabs F
 GLIBC_2.42 uimaxabs F
 GLIBC_2.42 ulabs F
 GLIBC_2.42 ullabs F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
index 821525018b..b9dc6ba495 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
@@ -26,3 +26,5 @@ GLIBC_2.16 pvalloc F
 GLIBC_2.16 realloc F
 GLIBC_2.16 valloc F
 GLIBC_2.33 mallinfo2 F
+GLIBC_2.42 free_sized F
+GLIBC_2.42 free_aligned_sized F
-- 
2.50.0.rc2.701.gf1e915cc24-goog



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