diff options
Diffstat (limited to 'pkgs/tools/security/afl/qemu-patches/syscall.patch')
| -rw-r--r-- | pkgs/tools/security/afl/qemu-patches/syscall.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/pkgs/tools/security/afl/qemu-patches/syscall.patch b/pkgs/tools/security/afl/qemu-patches/syscall.patch new file mode 100644 index 00000000000..c8ffb61ba2c --- /dev/null +++ b/pkgs/tools/security/afl/qemu-patches/syscall.patch @@ -0,0 +1,25 @@ +--- qemu-2.2.0/linux-user/syscall.c.orig 2014-12-09 14:45:43.000000000 +0000 ++++ qemu-2.2.0/linux-user/syscall.c 2015-03-27 06:33:00.736000000 +0000 +@@ -227,7 +227,21 @@ + _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) + _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) + #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) +-_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) ++ ++extern unsigned int afl_forksrv_pid; ++ ++static int sys_tgkill(int tgid, int pid, int sig) { ++ ++ /* Workaround for -lpthread to make abort() work properly, without ++ killing the forkserver due to a prematurely cached PID. */ ++ ++ if (afl_forksrv_pid && afl_forksrv_pid == pid && sig == SIGABRT) ++ pid = tgid = getpid(); ++ ++ return syscall(__NR_sys_tgkill, pid, tgid, sig); ++ ++} ++ + #endif + #if defined(TARGET_NR_tkill) && defined(__NR_tkill) + _syscall2(int,sys_tkill,int,tid,int,sig) |