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-rw-r--r--qemu-glibc-2.30.patch57
1 files changed, 57 insertions, 0 deletions
diff --git a/qemu-glibc-2.30.patch b/qemu-glibc-2.30.patch
new file mode 100644
index 0000000..1b74dee
--- /dev/null
+++ b/qemu-glibc-2.30.patch
@@ -0,0 +1,57 @@
+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: