This patch was taken from NixOS
https://raw.githubusercontent.com/Mindavi/nixpkgs/1a737743a829746e48f4869ac517ff29c23c9d09/pkgs/tools/security/afl/qemu-patches/syscall-glibc2_30.diff
It is based on an unmerged patch against american-fuzzy-lop and was
never merged upstream because the author was unable to sign Google's CLA.
Based on https://github.com/google/AFL/commit/6c917e3d63a2a0685d58c3518524f9615b001893.patch

--- qemu-2.10.0-clean/linux-user/syscall.c	2020-03-12 18:47:47.898592169 +0100
+++ qemu-2.10.0/linux-user/syscall.c	2020-03-13 09:13:42.461809699 +0100
@@ -34,6 +34,7 @@
 #include <sys/resource.h>
 #include <sys/swap.h>
 #include <linux/capability.h>
+#include <linux/sockios.h> // https://lkml.org/lkml/2019/6/3/988
 #include <sched.h>
 #include <sys/timex.h>
 #ifdef __ia64__
@@ -256,7 +257,9 @@ static type name (type1 arg1,type2 arg2,
 #endif
 
 #ifdef __NR_gettid
-_syscall0(int, gettid)
+// taken from https://patchwork.kernel.org/patch/10862231/
+#define __NR_sys_gettid __NR_gettid
+_syscall0(int, sys_gettid)
 #else
 /* This is a replacement for the host gettid() and must return a host
    errno. */
@@ -6219,7 +6222,7 @@ static void *clone_func(void *arg)
     cpu = ENV_GET_CPU(env);
     thread_cpu = cpu;
     ts = (TaskState *)cpu->opaque;
-    info->tid = gettid();
+    info->tid = sys_gettid();
     task_settid(ts);
     if (info->child_tidptr)
         put_user_u32(info->tid, info->child_tidptr);
@@ -6363,9 +6366,9 @@ static int do_fork(CPUArchState *env, un
                mapping.  We can't repeat the spinlock hack used above because
                the child process gets its own copy of the lock.  */
             if (flags & CLONE_CHILD_SETTID)
-                put_user_u32(gettid(), child_tidptr);
+                put_user_u32(sys_gettid(), child_tidptr);
             if (flags & CLONE_PARENT_SETTID)
-                put_user_u32(gettid(), parent_tidptr);
+                put_user_u32(sys_gettid(), parent_tidptr);
             ts = (TaskState *)cpu->opaque;
             if (flags & CLONE_SETTLS)
                 cpu_set_tls (env, newtls);
@@ -11402,7 +11405,7 @@ abi_long do_syscall(void *cpu_env, int n
         break;
 #endif
     case TARGET_NR_gettid:
-        ret = get_errno(gettid());
+        ret = get_errno(sys_gettid());
         break;
 #ifdef TARGET_NR_readahead
     case TARGET_NR_readahead:
left'>Commit message (<a href='/guix/log/doc/htmlxref.cnf?id=84f7bbddf14f03557946e40e9410eef9a8e0e8f1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-06-03 00:27:12 +0200'>2024-06-03</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=834a4195241806784d4b321b95f06d85f458ce18'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-cookbook.sv.po: New file.
* po/doc/local.mk: Add 'sv' cookbook.
* po/doc/po4a.cfg (po4a_langs): Add 'sv'.
* doc/local.mk: Add 'sv' cookbook.
* doc/htmlxref.cnf: Update URLs for cookbook.
* doc/build.scm (%cookbook-languages): Add 'sv'.
* doc/guix-cookbook.texi (Top): Mention 'sv' cookbook.

Change-Id: Ibfeb7254f583f1c8827e8c2756bbb02880bcba46
</span></span></td><td>Florian Pelz</td></tr>
<tr><td><span title='2024-04-01 14:09:20 +0200'>2024-04-01</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=fa98837b1d9586b9ca7bf77dae22c3bde0fc59b5'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/guix/ar.po: New file.
* po/guix/LINGUAS: Add 'ar'.
* po/doc/guix-cookbook.pt_BR.po: New file.
* po/doc/local.mk: Add 'pt_BR' cookbook.
* doc/local.mk: Add 'pt_BR' cookbook.
* doc/htmlxref.cnf: Update URLs for cookbook.
* doc/build.scm (%cookbook-languages): Add 'ko', 'pt_BR'.
* doc/guix-cookbook.texi (Top): Mention 'ko', 'pt_BR' cookbook.

Change-Id: Id1846ca100263b3fc1fa2ed52654c670270ee809
</span></span></td><td>Florian Pelz</td></tr>
<tr><td><span title='2022-12-18 16:01:32 +0100'>2022-12-18</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=8e2f32cee982d42a79e53fc1e9aa7b8ff0514714'>doc: Update URLs for the manual and cookbook translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/htmlxref.cnf: Update URLs for "guix" and "guix-cookbook".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-12-18 15:53:43 +0100'>2022-12-18</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=b77b4c7c3a5ac180f5aed0983be50ffbe6832f87'>doc: Add guile-netlink to 'htmlxref.cnf'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/htmlxref.cnf: Add guile-netlink.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-08-05 00:14:29 +0200'>2022-08-05</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=f9a267c6d266355b48bd12288f4414eaf4db8b33'>doc: Fix Guix manual URLs in 'htmlxref.cnf'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes a regression introduced in
868da34d54365023223a4ff7520043ba55ad64e8.

* doc/htmlxref.cnf (GUIX): Remove "/guix".
</span></span></td><td>Ludovic Courtès</td></tr>