Hi, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] [also build test ERROR on net/main linus/master v6.16 next-20250806] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/bsdhenrymartin-gmail-com/VSOCK-fix-Integer-Overflow-in-vmci_transport_recv_dgram_cb/20250806-105210 base: net-next/main patch link: https://lore.kernel.org/r/20250805041748.1728098-1-tcs_kernel%40tencent.com patch subject: [PATCH] VSOCK: fix Integer Overflow in vmci_transport_recv_dgram_cb() config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20250807/202508070446.83Vp7qaK-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250807/202508070446.83Vp7qaK-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508070446.83Vp7qaK-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from net/vmw_vsock/vmci_transport.c:8: net/vmw_vsock/vmci_transport.c: In function 'vmci_transport_recv_dgram_cb': >> include/linux/stddef.h:16:33: error: 'struct vmci_datagram' has no member named 'payload' 16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) | ^~~~~~~~~~~~~~~~~~ net/vmw_vsock/vmci_transport.c:634:43: note: in expansion of macro 'offsetof' 634 | if (dg->payload_size > SIZE_MAX - offsetof(struct vmci_datagram, payload)) | ^~~~~~~~ -- In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from vmci_transport.c:8: vmci_transport.c: In function 'vmci_transport_recv_dgram_cb': >> include/linux/stddef.h:16:33: error: 'struct vmci_datagram' has no member named 'payload' 16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) | ^~~~~~~~~~~~~~~~~~ vmci_transport.c:634:43: note: in expansion of macro 'offsetof' 634 | if (dg->payload_size > SIZE_MAX - offsetof(struct vmci_datagram, payload)) | ^~~~~~~~ vim +16 include/linux/stddef.h 6e218287432472 Richard Knutsson 2006-09-30 14 ^1da177e4c3f41 Linus Torvalds 2005-04-16 15 #undef offsetof 14e83077d55ff4 Rasmus Villemoes 2022-03-23 @16 #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) 3876488444e712 Denys Vlasenko 2015-03-09 17 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
