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[PULL,14/25] linux-user/sh4: fix incorrect memory write

Message ID 72cd500b725fd9a3bbefeb468d54c192fdc28318.1501496349.git.mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev July 31, 2017, 10:21 a.m. UTC 
From: Philippe Mathieu-Daudé <f4bug@amsat.org>

not hit since 2009! :)

linux-user/elfload.c:1102:20: warning: Out of bound memory access (access exceeds upper limit of memory block)
        (*regs[i]) = tswap32(env->gregs[i]);
        ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 linux-user/elfload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 2a902f7806..79062882ba 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1099,7 +1099,7 @@  static inline void elf_core_copy_regs(target_elf_gregset_t *regs,
     int i;
 
     for (i = 0; i < 16; i++) {
-        (*regs[i]) = tswapreg(env->gregs[i]);
+        (*regs)[i] = tswapreg(env->gregs[i]);
     }
 
     (*regs)[TARGET_REG_PC] = tswapreg(env->pc);