==================================================================
BUG: KMSAN: uninit-value in tipc_conn_rcv_sub+0x17b/0x9f0 net/tipc/topsrv.c:367
CPU: 0 PID: 489 Comm: kworker/u4:7 Not tainted 4.20.0-rc5+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: tipc_rcv tipc_conn_recv_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x220 lib/dump_stack.c:113
 kmsan_report+0x12d/0x290 mm/kmsan/kmsan.c:682
 __msan_warning+0x76/0xc0 mm/kmsan/kmsan_instr.c:316
 tipc_conn_rcv_sub+0x17b/0x9f0 net/tipc/topsrv.c:367
 tipc_conn_rcv_from_sock net/tipc/topsrv.c:403 [inline]
 tipc_conn_recv_work+0x3dc/0x5e0 net/tipc/topsrv.c:418
 process_one_work+0x1684/0x20a0 kernel/workqueue.c:2153
 worker_thread+0x115c/0x2500 kernel/workqueue.c:2296
 kthread+0x4cb/0x500 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Local variable description: ----s.i@tipc_conn_recv_work
Variable was created at:
 tipc_conn_recv_work+0x68/0x5e0 net/tipc/topsrv.c:413
 process_one_work+0x1684/0x20a0 kernel/workqueue.c:2153
==================================================================
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 489 Comm: kworker/u4:7 Tainted: G    B             4.20.0-rc5+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: tipc_rcv tipc_conn_recv_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x220 lib/dump_stack.c:113
 panic+0x3f0/0x98f kernel/panic.c:188
 kmsan_report+0x290/0x290 mm/kmsan/kmsan.c:702
 __msan_warning+0x76/0xc0 mm/kmsan/kmsan_instr.c:316
 tipc_conn_rcv_sub+0x17b/0x9f0 net/tipc/topsrv.c:367
 tipc_conn_rcv_from_sock net/tipc/topsrv.c:403 [inline]
 tipc_conn_recv_work+0x3dc/0x5e0 net/tipc/topsrv.c:418
 process_one_work+0x1684/0x20a0 kernel/workqueue.c:2153
 worker_thread+0x115c/0x2500 kernel/workqueue.c:2296
 kthread+0x4cb/0x500 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Kernel Offset: disabled
Rebooting in 86400 seconds..