From fc37dcfe1a049090e72fd3f4810f0b221cc5399c Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 31 Oct 2017 13:53:54 +0100 Subject: [PATCH] linux-user/hppa: Fix cpu_clone_regs By failing to return from the syscall in the child, the child issues another clone syscall and hilarity ensues. Signed-off-by: Richard Henderson Signed-off-by: Riku Voipio --- linux-user/hppa/target_cpu.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/linux-user/hppa/target_cpu.h b/linux-user/hppa/target_cpu.h index 1a5cecad3c..e50522eae9 100644 --- a/linux-user/hppa/target_cpu.h +++ b/linux-user/hppa/target_cpu.h @@ -24,7 +24,11 @@ static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp) if (newsp) { env->gr[30] = newsp; } + /* Indicate child in return value. */ env->gr[28] = 0; + /* Return from the syscall. */ + env->iaoq_f = env->gr[31]; + env->iaoq_b = env->gr[31] + 4; } static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)