Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski [off-list ref]:

On Tue,  3 Feb 2026 17:34:00 +0100 you wrote:

From: Arnd Bergmann <arnd@arndb.de>

The gcc-16.0.1 snapshot produces a false-positive warning that turns
into a build failure with CONFIG_WERROR:

In file included from arch/x86/include/asm/string.h:6,
                 from net/vmw_vsock/vmci_transport.c:10:
In function 'vmci_transport_packet_init',
    inlined from '__vmci_transport_send_control_pkt.constprop' at net/vmw_vsock/vmci_transport.c:198:2:
arch/x86/include/asm/string_32.h:150:25: error: argument 2 null where non-null expected because argument 3 is nonzero [-Werror=nonnull]
  150 | #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
net/vmw_vsock/vmci_transport.c:164:17: note: in expansion of macro 'memcpy'
  164 |                 memcpy(&pkt->u.wait, wait, sizeof(pkt->u.wait));
      |                 ^~~~~~
arch/x86/include/asm/string_32.h:150:25: note: in a call to built-in function '__builtin_memcpy'
net/vmw_vsock/vmci_transport.c:164:17: note: in expansion of macro 'memcpy'
  164 |                 memcpy(&pkt->u.wait, wait, sizeof(pkt->u.wait));
      |                 ^~~~~~

[...]

Here is the summary with links:
  - vmw_vsock: bypass false-positive Wnonnull warning with gcc-16
    https://git.kernel.org/netdev/net-next/c/e25dbf561e03

You are awesome, thank you!
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