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[Qemu-devel] [PULL 16/25] syscall: fix use of uninitialized values
From: |
Michael Tokarev |
Subject: |
[Qemu-devel] [PULL 16/25] syscall: fix use of uninitialized values |
Date: |
Mon, 31 Jul 2017 13:21:35 +0300 |
From: Philippe Mathieu-Daudé <address@hidden>
linux-user/syscall.c:1627:35: warning: 1st function call argument is an
uninitialized value
target_saddr->sa_family = tswap16(addr->sa_family);
^~~~~~~~~~~~~~~~~~~~~~~~
linux-user/syscall.c:1629:25: warning: The left operand of '==' is a garbage
value
if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
~~~~~~~~~~~~~~~ ^
Reported-by: Clang Static Analyzer
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 71d45a9963..81f52f7483 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1622,6 +1622,7 @@ static inline abi_long host_to_target_sockaddr(abi_ulong
target_addr,
if (len == 0) {
return 0;
}
+ assert(addr);
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
if (!target_saddr)
--
2.11.0
- [Qemu-devel] [PULL 00/25 for-2.10] Trivial patches for 2017-07-31, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 07/25] tests: add missing dependency to build QTEST_QEMU_BINARY, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 06/25] qemu-system-tricore: segfault when entering "x 0" on the monitor, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 10/25] qcow2: fix null pointer dereference, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 09/25] ivshmem: fix incorrect error handling in ivshmem_recv_msg(), Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 02/25] fix qemu-system-unicore32 crashing when calling without -kernel, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 12/25] net/eth: fix incorrect check of iov_to_buf() return value, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 08/25] loader: check get_image_size() return value, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 04/25] tests: test-netfilter && pxe-test require slirp, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 16/25] syscall: fix use of uninitialized values,
Michael Tokarev <=
- [Qemu-devel] [PULL 13/25] m68k/translate: fix incorrect copy/paste, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 19/25] docs: fix broken paths to docs/interop dir, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 18/25] thunk: assert nb_fields is valid, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 17/25] syscall: check inotify() and eventfd() return value, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 20/25] docs: fix broken paths to docs/interop/qcow2.txt, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 22/25] docs: fix broken paths to docs/devel/atomics.txt, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 11/25] ui/vnc: fix leak of SocketAddress **, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 21/25] docs: fix broken paths to docs/devel/qapi-code-gen.txt, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 03/25] MAINTAINERS: Improve the NetBSD regex pattern, Michael Tokarev, 2017/07/31
- [Qemu-devel] [PULL 15/25] syscall: fix dereference of undefined pointer, Michael Tokarev, 2017/07/31