diff options
Diffstat (limited to 'user-exec.c')
| -rw-r--r-- | user-exec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/user-exec.c b/user-exec.c index be6bc4f..d8c2ad9 100644 --- a/user-exec.c +++ b/user-exec.c @@ -97,7 +97,8 @@ static inline int handle_cpu_signal(uintptr_t pc, unsigned long address, pc, address, is_write, *(unsigned long *)old_set); #endif /* XXX: locking issue */ - if (is_write && page_unprotect(h2g(address), pc, puc)) { + if (is_write && h2g_valid(address) + && page_unprotect(h2g(address), pc, puc)) { return 1; } |