diff mbox series

[PULL,37/59] linux-user/s390x: Fix trace in restore_regs

Message ID 20210518053131.87212-38-laurent@vivier.eu
State Accepted
Commit bd45be9f5ffcaae68d2d0de2962cdc9fa20cb832
Headers show
Series None | expand

Commit Message

Laurent Vivier May 18, 2021, 5:31 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>


Directly reading sc->regs.psw.addr misses the bswap
that may be performed by __get_user.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: David Hildenbrand <david@redhat.com>

Message-Id: <20210428193408.233706-6-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

---
 linux-user/s390x/signal.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

-- 
2.31.1
diff mbox series

Patch

diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c
index e455a9818dea..dcc6f7bc0274 100644
--- a/linux-user/s390x/signal.c
+++ b/linux-user/s390x/signal.c
@@ -232,16 +232,17 @@  give_sigsegv:
 
 static void restore_sigregs(CPUS390XState *env, target_sigregs *sc)
 {
+    target_ulong prev_addr;
     int i;
 
     for (i = 0; i < 16; i++) {
         __get_user(env->regs[i], &sc->regs.gprs[i]);
     }
 
+    prev_addr = env->psw.addr;
     __get_user(env->psw.mask, &sc->regs.psw.mask);
-    trace_user_s390x_restore_sigregs(env, (unsigned long long)sc->regs.psw.addr,
-                                     (unsigned long long)env->psw.addr);
     __get_user(env->psw.addr, &sc->regs.psw.addr);
+    trace_user_s390x_restore_sigregs(env, env->psw.addr, prev_addr);
 
     for (i = 0; i < 16; i++) {
         __get_user(env->aregs[i], &sc->regs.acrs[i]);