resolv: Move ns_name_skip to its own file and into libc (bug 28091)

And reformat to GNU style.  Avoid out-of-bounds pointer arithmetic.
This also results in a fix of bug 28091 due to the additional packet
length checks.

The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@systemhalted.org>

include/arpa/nameser.h

@@ -67,7 +67,6 @@ libresolv_hidden_proto (ns_skiprr)
 libresolv_hidden_proto (ns_parserr)
 libresolv_hidden_proto (ns_name_pton)
 libresolv_hidden_proto (ns_name_pack)
-libresolv_hidden_proto (ns_name_skip)
 libresolv_hidden_proto (ns_name_compress)
 libresolv_hidden_proto (ns_name_uncompress)
 libresolv_hidden_proto (ns_sprintrr)
@@ -79,6 +78,8 @@ libresolv_hidden_proto (ns_format_ttl)
 
 extern __typeof (ns_name_ntop) __ns_name_ntop;
 libc_hidden_proto (__ns_name_ntop)
+extern __typeof (ns_name_skip) __ns_name_skip;
+libc_hidden_proto (__ns_name_skip)
 extern __typeof (ns_name_unpack) __ns_name_unpack;
 libc_hidden_proto (__ns_name_unpack)
 

resolv/Makefile

@@ -33,6 +33,7 @@ routines := \
   inet_ntop \
   inet_pton \
   ns_name_ntop \
+  ns_name_skip \
   ns_name_unpack \
   nsap_addr \
   res-close \

resolv/Versions

@@ -26,6 +26,7 @@ libc {
   }
   GLIBC_2.9 {
     ns_name_ntop;
+    ns_name_skip;
     ns_name_unpack;
   }
   GLIBC_2.34 {
@@ -36,6 +37,7 @@ libc {
     getaddrinfo_a;
 %endif
     ns_name_ntop;
+    ns_name_skip;
     ns_name_unpack;
   }
   GLIBC_PRIVATE {
@@ -45,9 +47,10 @@ libc {
     __h_errno;
     __inet_aton_exact;
     __inet_pton_length;
-    __res_iclose;
     __ns_name_ntop;
+    __ns_name_skip;
     __ns_name_unpack;
+    __res_iclose;
     __resolv_context_get;
     __resolv_context_get_override;
     __resolv_context_get_preinit;

resolv/ns_name.c

@@ -397,43 +397,6 @@ ns_name_rollback(const u_char *src, const u_char **dnptrs,
 	}
 }
 
-/*%
- *	Advance *ptrptr to skip over the compressed name it points at.
- *
- * return:
- *\li	0 on success, -1 (with errno set) on failure.
- */
-int
-ns_name_skip(const u_char **ptrptr, const u_char *eom)
-{
-	const u_char *cp;
-	u_int n;
-
-	cp = *ptrptr;
-	while (cp < eom && (n = *cp++) != 0) {
-		/* Check for indirection. */
-		switch (n & NS_CMPRSFLGS) {
-		case 0:			/*%< normal case, n == len */
-			cp += n;
-			continue;
-		case NS_CMPRSFLGS:	/*%< indirection */
-			cp++;
-			break;
-		default:		/*%< illegal type */
-			__set_errno (EMSGSIZE);
-			return (-1);
-		}
-		break;
-	}
-	if (cp > eom) {
-		__set_errno (EMSGSIZE);
-		return (-1);
-	}
-	*ptrptr = cp;
-	return (0);
-}
-libresolv_hidden_def (ns_name_skip)
-
 /* Private. */
 
 /*%

resolv/ns_name_skip.c

@@ -0,0 +1,70 @@
+/* Skip over a (potentially compressed) domain name in wire format.
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <arpa/nameser.h>
+#include <errno.h>
+#include <shlib-compat.h>
+
+/* Advances *PTRPTR to skip over the compressed name it points at.
+   Returns 0 on success, -1 (with errno set) on failure.  */
+int
+___ns_name_skip (const unsigned char **ptrptr, const unsigned char *eom)
+{
+  const unsigned char *cp;
+  unsigned int n;
+
+  cp = *ptrptr;
+  while (cp < eom)
+    {
+      n = *cp++;
+      if (n == 0)
+        {
+          /* End of domain name without indirection.  */
+          *ptrptr = cp;
+          return 0;
+        }
+
+      /* Check for indirection.  */
+      switch (n & NS_CMPRSFLGS)
+        {
+        case 0:                 /* Normal case, n == len.  */
+          if (eom - cp < n)
+            goto malformed;
+          cp += n;
+          break;
+        case NS_CMPRSFLGS:      /* Indirection.  */
+          if (cp == eom)
+            /* No room for second indirection byte.  */
+            goto malformed;
+          *ptrptr = cp + 1;
+          return 0;
+        default:                /* Illegal type.  */
+          goto malformed;
+        }
+    }
+
+ malformed:
+  __set_errno (EMSGSIZE);
+  return -1;
+}
+versioned_symbol (libc, ___ns_name_skip, ns_name_skip, GLIBC_2_34);
+versioned_symbol (libc, ___ns_name_skip, __ns_name_skip, GLIBC_PRIVATE);
+libc_hidden_ver (___ns_name_skip, __ns_name_skip)
+
+#if OTHER_SHLIB_COMPAT (libresolv, GLIBC_2_9, GLIBC_2_34)
+compat_symbol (libresolv, ___ns_name_skip, ns_name_skip, GLIBC_2_9);
+#endif

sysdeps/mach/hurd/i386/libc.abilist

@@ -2242,6 +2242,7 @@ GLIBC_2.34 login_tty F
 GLIBC_2.34 logout F
 GLIBC_2.34 logwtmp F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2365,6 +2366,7 @@ GLIBC_2.8 __vdprintf_chk F
 GLIBC_2.8 qsort_r F
 GLIBC_2.9 dup3 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
 HURD_CTHREADS_0.3 __cthread_getspecific F

sysdeps/mach/hurd/i386/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/aarch64/libc.abilist

@@ -1405,6 +1405,7 @@ GLIBC_2.17 nl_langinfo_l F
 GLIBC_2.17 nrand48 F
 GLIBC_2.17 nrand48_r F
 GLIBC_2.17 ns_name_ntop F
+GLIBC_2.17 ns_name_skip F
 GLIBC_2.17 ns_name_unpack F
 GLIBC_2.17 ntohl F
 GLIBC_2.17 ntohs F
@@ -2455,6 +2456,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/aarch64/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.17 ns_name_ntol F
 GLIBC_2.17 ns_name_pack F
 GLIBC_2.17 ns_name_pton F
 GLIBC_2.17 ns_name_rollback F
-GLIBC_2.17 ns_name_skip F
 GLIBC_2.17 ns_name_uncompress F
 GLIBC_2.17 ns_parse_ttl F
 GLIBC_2.17 ns_parserr F

sysdeps/unix/sysv/linux/alpha/libc.abilist

@@ -2552,6 +2552,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2988,5 +2989,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/alpha/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/arc/libc.abilist

@@ -1339,6 +1339,7 @@ GLIBC_2.32 nl_langinfo_l F
 GLIBC_2.32 nrand48 F
 GLIBC_2.32 nrand48_r F
 GLIBC_2.32 ns_name_ntop F
+GLIBC_2.32 ns_name_skip F
 GLIBC_2.32 ns_name_unpack F
 GLIBC_2.32 ntohl F
 GLIBC_2.32 ntohs F
@@ -2214,6 +2215,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/arc/libresolv.abilist

@@ -63,7 +63,6 @@ GLIBC_2.32 ns_name_ntol F
 GLIBC_2.32 ns_name_pack F
 GLIBC_2.32 ns_name_pton F
 GLIBC_2.32 ns_name_rollback F
-GLIBC_2.32 ns_name_skip F
 GLIBC_2.32 ns_name_uncompress F
 GLIBC_2.32 ns_parse_ttl F
 GLIBC_2.32 ns_parserr F

sysdeps/unix/sysv/linux/arm/be/libc.abilist

@@ -346,6 +346,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2684,5 +2685,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/arm/be/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/arm/le/libc.abilist

@@ -343,6 +343,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2681,5 +2682,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/arm/le/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/csky/libc.abilist

@@ -1396,6 +1396,7 @@ GLIBC_2.29 nl_langinfo_l F
 GLIBC_2.29 nrand48 F
 GLIBC_2.29 nrand48_r F
 GLIBC_2.29 ns_name_ntop F
+GLIBC_2.29 ns_name_skip F
 GLIBC_2.29 ns_name_unpack F
 GLIBC_2.29 ntohl F
 GLIBC_2.29 ntohs F
@@ -2480,6 +2481,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/csky/libresolv.abilist

@@ -63,7 +63,6 @@ GLIBC_2.29 ns_name_ntol F
 GLIBC_2.29 ns_name_pack F
 GLIBC_2.29 ns_name_pton F
 GLIBC_2.29 ns_name_rollback F
-GLIBC_2.29 ns_name_skip F
 GLIBC_2.29 ns_name_uncompress F
 GLIBC_2.29 ns_parse_ttl F
 GLIBC_2.29 ns_parserr F

sysdeps/unix/sysv/linux/hppa/libc.abilist

@@ -2431,6 +2431,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2698,5 +2699,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/hppa/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/i386/libc.abilist

@@ -2615,6 +2615,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2882,5 +2883,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/i386/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/ia64/libc.abilist

@@ -2390,6 +2390,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2657,5 +2658,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/ia64/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist

@@ -347,6 +347,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2663,5 +2664,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/m68k/coldfire/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist

@@ -2558,6 +2558,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2825,5 +2826,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/m68k/m680x0/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/microblaze/be/libc.abilist

@@ -1407,6 +1407,7 @@ GLIBC_2.18 nl_langinfo_l F
 GLIBC_2.18 nrand48 F
 GLIBC_2.18 nrand48_r F
 GLIBC_2.18 ns_name_ntop F
+GLIBC_2.18 ns_name_skip F
 GLIBC_2.18 ns_name_unpack F
 GLIBC_2.18 ntohl F
 GLIBC_2.18 ntohs F
@@ -2531,6 +2532,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/microblaze/be/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.18 ns_name_ntol F
 GLIBC_2.18 ns_name_pack F
 GLIBC_2.18 ns_name_pton F
 GLIBC_2.18 ns_name_rollback F
-GLIBC_2.18 ns_name_skip F
 GLIBC_2.18 ns_name_uncompress F
 GLIBC_2.18 ns_parse_ttl F
 GLIBC_2.18 ns_parserr F

sysdeps/unix/sysv/linux/microblaze/le/libc.abilist

@@ -1407,6 +1407,7 @@ GLIBC_2.18 nl_langinfo_l F
 GLIBC_2.18 nrand48 F
 GLIBC_2.18 nrand48_r F
 GLIBC_2.18 ns_name_ntop F
+GLIBC_2.18 ns_name_skip F
 GLIBC_2.18 ns_name_unpack F
 GLIBC_2.18 ntohl F
 GLIBC_2.18 ntohs F
@@ -2528,6 +2529,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/microblaze/le/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.18 ns_name_ntol F
 GLIBC_2.18 ns_name_pack F
 GLIBC_2.18 ns_name_pton F
 GLIBC_2.18 ns_name_rollback F
-GLIBC_2.18 ns_name_skip F
 GLIBC_2.18 ns_name_uncompress F
 GLIBC_2.18 ns_parse_ttl F
 GLIBC_2.18 ns_parserr F

sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist

@@ -2523,6 +2523,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2786,5 +2787,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/mips/mips32/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist

@@ -2521,6 +2521,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2784,5 +2785,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist

@@ -2529,6 +2529,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2792,5 +2793,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/mips/mips64/n32/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist

@@ -2441,6 +2441,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2704,5 +2705,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/mips/mips64/n64/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/nios2/libc.abilist

@@ -1450,6 +1450,7 @@ GLIBC_2.21 nl_langinfo_l F
 GLIBC_2.21 nrand48 F
 GLIBC_2.21 nrand48_r F
 GLIBC_2.21 ns_name_ntop F
+GLIBC_2.21 ns_name_skip F
 GLIBC_2.21 ns_name_unpack F
 GLIBC_2.21 ntohl F
 GLIBC_2.21 ntohs F
@@ -2570,6 +2571,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/nios2/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.21 ns_name_ntol F
 GLIBC_2.21 ns_name_pack F
 GLIBC_2.21 ns_name_pton F
 GLIBC_2.21 ns_name_rollback F
-GLIBC_2.21 ns_name_skip F
 GLIBC_2.21 ns_name_uncompress F
 GLIBC_2.21 ns_parse_ttl F
 GLIBC_2.21 ns_parserr F

sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist

@@ -2585,6 +2585,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -3023,5 +3024,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/powerpc/powerpc32/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist

@@ -2618,6 +2618,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -3068,5 +3069,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist

@@ -2354,6 +2354,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2792,5 +2793,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist

@@ -1493,6 +1493,7 @@ GLIBC_2.17 nl_langinfo_l F
 GLIBC_2.17 nrand48 F
 GLIBC_2.17 nrand48_r F
 GLIBC_2.17 ns_name_ntop F
+GLIBC_2.17 ns_name_skip F
 GLIBC_2.17 ns_name_unpack F
 GLIBC_2.17 ntohl F
 GLIBC_2.17 ntohs F
@@ -2651,6 +2652,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.17 ns_name_ntol F
 GLIBC_2.17 ns_name_pack F
 GLIBC_2.17 ns_name_pton F
 GLIBC_2.17 ns_name_rollback F
-GLIBC_2.17 ns_name_skip F
 GLIBC_2.17 ns_name_uncompress F
 GLIBC_2.17 ns_parse_ttl F
 GLIBC_2.17 ns_parserr F

sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist

@@ -1341,6 +1341,7 @@ GLIBC_2.33 nl_langinfo_l F
 GLIBC_2.33 nrand48 F
 GLIBC_2.33 nrand48_r F
 GLIBC_2.33 ns_name_ntop F
+GLIBC_2.33 ns_name_skip F
 GLIBC_2.33 ns_name_unpack F
 GLIBC_2.33 ntohl F
 GLIBC_2.33 ntohs F
@@ -2216,6 +2217,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/riscv/rv32/libresolv.abilist

@@ -63,7 +63,6 @@ GLIBC_2.33 ns_name_ntol F
 GLIBC_2.33 ns_name_pack F
 GLIBC_2.33 ns_name_pton F
 GLIBC_2.33 ns_name_rollback F
-GLIBC_2.33 ns_name_skip F
 GLIBC_2.33 ns_name_uncompress F
 GLIBC_2.33 ns_parse_ttl F
 GLIBC_2.33 ns_parserr F

sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist

@@ -1388,6 +1388,7 @@ GLIBC_2.27 nl_langinfo_l F
 GLIBC_2.27 nrand48 F
 GLIBC_2.27 nrand48_r F
 GLIBC_2.27 ns_name_ntop F
+GLIBC_2.27 ns_name_skip F
 GLIBC_2.27 ns_name_unpack F
 GLIBC_2.27 ntohl F
 GLIBC_2.27 ntohs F
@@ -2416,6 +2417,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/riscv/rv64/libresolv.abilist

@@ -63,7 +63,6 @@ GLIBC_2.27 ns_name_ntol F
 GLIBC_2.27 ns_name_pack F
 GLIBC_2.27 ns_name_pton F
 GLIBC_2.27 ns_name_rollback F
-GLIBC_2.27 ns_name_skip F
 GLIBC_2.27 ns_name_uncompress F
 GLIBC_2.27 ns_parse_ttl F
 GLIBC_2.27 ns_parserr F

sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist

@@ -2583,6 +2583,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -3031,6 +3032,7 @@ GLIBC_2.9 getutxline F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 login F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F
 GLIBC_2.9 pututline F

sysdeps/unix/sysv/linux/s390/s390-32/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist

@@ -2391,6 +2391,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2827,5 +2828,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/s390/s390-64/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/sh/be/libc.abilist

@@ -2438,6 +2438,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2705,5 +2706,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/sh/be/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/sh/le/libc.abilist

@@ -2435,6 +2435,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2702,5 +2703,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/sh/le/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist

@@ -2578,6 +2578,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -3040,5 +3041,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/sparc/sparc32/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist

@@ -2413,6 +2413,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2680,5 +2681,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/sparc/sparc64/libresolv.abilist

@@ -80,7 +80,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/x86_64/64/libc.abilist

@@ -2369,6 +2369,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F
@@ -2636,5 +2637,6 @@ GLIBC_2.9 dup3 F
 GLIBC_2.9 epoll_create1 F
 GLIBC_2.9 inotify_init1 F
 GLIBC_2.9 ns_name_ntop F
+GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_unpack F
 GLIBC_2.9 pipe2 F

sysdeps/unix/sysv/linux/x86_64/64/libresolv.abilist

@@ -75,7 +75,6 @@ GLIBC_2.9 ns_name_ntol F
 GLIBC_2.9 ns_name_pack F
 GLIBC_2.9 ns_name_pton F
 GLIBC_2.9 ns_name_rollback F
-GLIBC_2.9 ns_name_skip F
 GLIBC_2.9 ns_name_uncompress F
 GLIBC_2.9 ns_parse_ttl F
 GLIBC_2.9 ns_parserr F

sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist

@@ -1412,6 +1412,7 @@ GLIBC_2.16 nl_langinfo_l F
 GLIBC_2.16 nrand48 F
 GLIBC_2.16 nrand48_r F
 GLIBC_2.16 ns_name_ntop F
+GLIBC_2.16 ns_name_skip F
 GLIBC_2.16 ns_name_unpack F
 GLIBC_2.16 ntohl F
 GLIBC_2.16 ntohs F
@@ -2470,6 +2471,7 @@ GLIBC_2.34 mtx_timedlock F
 GLIBC_2.34 mtx_trylock F
 GLIBC_2.34 mtx_unlock F
 GLIBC_2.34 ns_name_ntop F
+GLIBC_2.34 ns_name_skip F
 GLIBC_2.34 ns_name_unpack F
 GLIBC_2.34 openpty F
 GLIBC_2.34 posix_spawn_file_actions_addclosefrom_np F

sysdeps/unix/sysv/linux/x86_64/x32/libresolv.abilist

@@ -70,7 +70,6 @@ GLIBC_2.16 ns_name_ntol F
 GLIBC_2.16 ns_name_pack F
 GLIBC_2.16 ns_name_pton F
 GLIBC_2.16 ns_name_rollback F
-GLIBC_2.16 ns_name_skip F
 GLIBC_2.16 ns_name_uncompress F
 GLIBC_2.16 ns_parse_ttl F
 GLIBC_2.16 ns_parserr F