[Qemu-devel] [PATCH for 2.10 29/35] syscall: fix out-of-bound memory access

[Philippe Mathieu-Daudé]

linux-user/syscall.c:555:25: warning: Out of bound memory access (accessed 
memory precedes memory block)
    target_fd_trans[fd] = trans;
    ~~~~~~~~~~~~~~~~~~~~^~~~~~~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 linux-user/syscall.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 637270a02d..26450d235f 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -544,6 +544,7 @@ static void fd_trans_register(int fd, TargetFdTrans *trans)
 {
     unsigned int oldmax;
 
+    assert(fd >= 0);
     if (fd >= target_fd_max) {
         oldmax = target_fd_max;
         target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */
-- 
2.13.3