diff options
| -rw-r--r-- | pkgs/tools/security/afl/qemu-patches/syscall-glibc2_30.diff | 51 | ||||
| -rw-r--r-- | pkgs/tools/security/afl/qemu.nix | 2 |
2 files changed, 53 insertions, 0 deletions
diff --git a/pkgs/tools/security/afl/qemu-patches/syscall-glibc2_30.diff b/pkgs/tools/security/afl/qemu-patches/syscall-glibc2_30.diff new file mode 100644 index 000000000000..aa2950bf157c --- /dev/null +++ b/pkgs/tools/security/afl/qemu-patches/syscall-glibc2_30.diff @@ -0,0 +1,51 @@ +--- 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: diff --git a/pkgs/tools/security/afl/qemu.nix b/pkgs/tools/security/afl/qemu.nix index 479de4b41850..b841ccb93d3c 100644 --- a/pkgs/tools/security/afl/qemu.nix +++ b/pkgs/tools/security/afl/qemu.nix @@ -52,6 +52,8 @@ stdenv.mkDerivation { "../${afl.src.name}/qemu_mode/patches/memfd.diff" # nix-specific patches to make installation more well-behaved ./qemu-patches/no-etc-install.patch + # patch for fixing qemu build on glibc >= 2.30 + ./qemu-patches/syscall-glibc2_30.diff ]; configureFlags = |