8021q: adding VLAN 0 to HW filter on device team0
8021q: adding VLAN 0 to HW filter on device team0
dccp_invalid_packet: P.Data Offset(0) too small
dccp_invalid_packet: P.Data Offset(0) too small
==================================================================
BUG: KMSAN: uninit-value in copy_to_user include/linux/uaccess.h:184 [inline]
BUG: KMSAN: uninit-value in move_addr_to_user+0x32e/0x530 net/socket.c:227
CPU: 1 PID: 6591 Comm: syz-executor3 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 kmsan_internal_check_memory+0x135/0x1e0 mm/kmsan/kmsan.c:1157
 kmsan_copy_to_user+0x69/0x160 mm/kmsan/kmsan.c:1199
 copy_to_user include/linux/uaccess.h:184 [inline]
 move_addr_to_user+0x32e/0x530 net/socket.c:227
 SYSC_recvfrom+0x731/0x820 net/socket.c:1802
 SyS_recvfrom+0x8a/0xb0 net/socket.c:1771
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455979
RSP: 002b:00007f5e1d85dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007f5e1d85e6d4 RCX: 0000000000455979
RDX: 0000000000000083 RSI: 0000000020000140 RDI: 0000000000000013
RBP: 000000000072bf50 R08: 0000000020000200 R09: 00000000006f2000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000049d R14: 00000000006f9f58 R15: 0000000000000001

Local variable description: ----address@SYSC_recvfrom
Variable was created at:
 SYSC_recvfrom+0xec/0x820 net/socket.c:1774
 SyS_recvfrom+0x8a/0xb0 net/socket.c:1771

Byte 19 of 32 is uninitialized
==================================================================