================================================================== BUG: KMSAN: uninit-value in tipc_conn_rcv_sub+0x187/0x9d0 net/tipc/topsrv.c:367 CPU: 1 PID: 463 Comm: kworker/u4:11 Not tainted 5.0.0-rc1+ #7 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+0x173/0x1d0 lib/dump_stack.c:113 kmsan_report+0x12e/0x2a0 mm/kmsan/kmsan.c:600 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 tipc_conn_rcv_sub+0x187/0x9d0 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+0x1607/0x1f80 kernel/workqueue.c:2153 worker_thread+0x111c/0x2460 kernel/workqueue.c:2296 kthread+0x4a1/0x4e0 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+0x1607/0x1f80 kernel/workqueue.c:2153 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 463 Comm: kworker/u4:11 Tainted: G B 5.0.0-rc1+ #7 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+0x173/0x1d0 lib/dump_stack.c:113 panic+0x3d1/0xb01 kernel/panic.c:214 kmsan_report+0x293/0x2a0 mm/kmsan/kmsan.c:620 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 tipc_conn_rcv_sub+0x187/0x9d0 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+0x1607/0x1f80 kernel/workqueue.c:2153 worker_thread+0x111c/0x2460 kernel/workqueue.c:2296 kthread+0x4a1/0x4e0 kernel/kthread.c:247 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Kernel Offset: disabled Rebooting in 86400 seconds..