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[Qemu-trivial] [PULL 15/25] syscall: fix dereference of undefined pointe
From: |
Michael Tokarev |
Subject: |
[Qemu-trivial] [PULL 15/25] syscall: fix dereference of undefined pointer |
Date: |
Mon, 31 Jul 2017 13:21:34 +0300 |
From: Philippe Mathieu-Daudé <address@hidden>
linux-user/syscall.c:5581:9: warning: Dereference of undefined pointer value
if (*host_rt_dev_ptr != 0) {
^~~~~~~~~~~~~~~~
Reported-by: Clang Static Analyzer
Suggested-by: Laurent Vivier <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Michael Tokarev <address@hidden>
---
linux-user/syscall.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 003943b736..71d45a9963 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5573,6 +5573,7 @@ static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t
*buf_temp,
field_types, THUNK_HOST);
}
unlock_user(argptr, arg, 0);
+ assert(host_rt_dev_ptr);
ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp));
if (*host_rt_dev_ptr != 0) {
--
2.11.0
- [Qemu-trivial] [PULL 16/25] syscall: fix use of uninitialized values, (continued)
- [Qemu-trivial] [PULL 16/25] syscall: fix use of uninitialized values, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 19/25] docs: fix broken paths to docs/interop dir, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 08/25] loader: check get_image_size() return value, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 18/25] thunk: assert nb_fields is valid, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 17/25] syscall: check inotify() and eventfd() return value, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 03/25] MAINTAINERS: Improve the NetBSD regex pattern, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 22/25] docs: fix broken paths to docs/devel/atomics.txt, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 11/25] ui/vnc: fix leak of SocketAddress **, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 21/25] docs: fix broken paths to docs/devel/qapi-code-gen.txt, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 20/25] docs: fix broken paths to docs/interop/qcow2.txt, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 15/25] syscall: fix dereference of undefined pointer,
Michael Tokarev <=
- [Qemu-trivial] [PULL 25/25] docs: fix broken paths to docs/specs/ivshmem-spec.txt, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 14/25] linux-user/sh4: fix incorrect memory write, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 05/25] build-sys: there is no qemu-ga.c, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 01/25] tests: check-qom-proplist: fix leak, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 24/25] docs: fix broken paths to docs/config/ich9-ehci-uhci.cfg, Michael Tokarev, 2017/07/31
- [Qemu-trivial] [PULL 23/25] docs: fix broken paths to docs/devel/tracing.txt, Michael Tokarev, 2017/07/31
- Re: [Qemu-trivial] [Qemu-devel] [PULL 00/25 for-2.10] Trivial patches for 2017-07-31, Peter Maydell, 2017/07/31