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BUG: KMSAN: uninit-value in update_stack_state+0x974/0xb40 arch/x86/kernel/unwind_frame.c:238
CPU: 0 PID: 29868 Comm: kworker/0:11 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 update_stack_state+0x974/0xb40 arch/x86/kernel/unwind_frame.c:238
 unwind_next_frame+0x8c6/0xed0 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x338/0x3d0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x117/0x1a0 kernel/stacktrace.c:123
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline]
 kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:310
 kmsan_memcpy_memmove_metadata+0x272/0x2e0 mm/kmsan/kmsan.c:247
 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:267
 __msan_memcpy+0x43/0x50 mm/kmsan/kmsan_instr.c:116
 pskb_expand_head+0x3fd/0x1e30 net/core/skbuff.c:1636
 __skb_pad+0x641/0x9d0 net/core/skbuff.c:1804
 __skb_put_padto include/linux/skbuff.h:3218 [inline]
 skb_put_padto include/linux/skbuff.h:3237 [inline]
 send_hsr_supervision_frame+0x129c/0x15b0 net/hsr/hsr_device.c:299
 hsr_announce+0x21f/0x3c0 net/hsr/hsr_device.c:330
 call_timer_fn+0x226/0x550 kernel/time/timer.c:1404
 expire_timers+0x4fc/0x780 kernel/time/timer.c:1449
 __run_timers+0xaf4/0xd30 kernel/time/timer.c:1773
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1786
 __do_softirq+0x2ea/0x7f5 kernel/softirq.c:293
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:23 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:50 [inline]
 do_softirq_own_stack+0x7c/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:390 [inline]
 __irq_exit_rcu+0x226/0x270 kernel/softirq.c:420
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:432
 sysvec_call_function_single+0x107/0x130 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:601
RIP: 0010:usb_hcd_submit_urb+0x719/0x4050 drivers/usb/core/hcd.c:1548
Code: 24 08 45 89 bc 24 90 0c 00 00 31 ff 89 c6 e8 9e 7b d1 f7 45 85 f6 74 09 44 89 f0 f7 d0 21 d8 74 3c 85 db 75 44 e8 67 77 d1 f7 <45> 31 f6 45 31 ff 31 db e9 d5 28 00 00 89 df e8 43 68 4d f8 e9 01
RSP: 0018:ffff888106acb5c0 EFLAGS: 00000282
RAX: ffff888218348708 RBX: ffff8881a93fe7a0 RCX: 0000000205941708
RDX: ffff888205941708 RSI: 0000000000000040 RDI: ffffffff9394f708
RBP: ffff888106acb748 R08: ffffea000000000f R09: ffff88812fffa000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b40fe558
R13: ffff8881a93fe780 R14: ffff8881a93fe798 R15: 0000000000000000
 usb_submit_urb+0x2411/0x2470 drivers/usb/core/urb.c:572
 usb_start_wait_urb+0x155/0x4c0 drivers/usb/core/message.c:58
 usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
 usb_control_msg+0x4dc/0x820 drivers/usb/core/message.c:153
 usb_clear_port_feature drivers/usb/core/hub.c:422 [inline]
 port_event drivers/usb/core/hub.c:5406 [inline]
 hub_event+0xf0e/0x8a70 drivers/usb/core/hub.c:5576
 process_one_work+0x1688/0x2140 kernel/workqueue.c:2269
 worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415
 kthread+0x551/0x590 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

Local variable ----iph@ip_vs_out created at:
 ip_vs_out+0xb3/0x5010 net/netfilter/ipvs/ip_vs_core.c:1350
 ip_vs_out+0xb3/0x5010 net/netfilter/ipvs/ip_vs_core.c:1350
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