IPVS: ftp: loaded support on port[0] = 21 ================================================================== BUG: KMSAN: uninit-value in _decode_session6+0x635/0x1630 net/ipv6/xfrm6_policy.c:149 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc4+ #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x306/0x460 lib/dump_stack.c:113 kmsan_report+0x1a3/0x2d0 mm/kmsan/kmsan.c:917 __msan_warning+0x7c/0xe0 mm/kmsan/kmsan_instr.c:500 _decode_session6+0x635/0x1630 net/ipv6/xfrm6_policy.c:149 __xfrm_decode_session+0x156/0x200 net/xfrm/xfrm_policy.c:2299 xfrm_decode_session_reverse include/net/xfrm.h:1239 [inline] icmpv6_route_lookup net/ipv6/icmp.c:372 [inline] icmp6_send+0x3037/0x3c50 net/ipv6/icmp.c:551 icmpv6_send+0xe5/0x110 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x5c/0x310 net/ipv6/route.c:2255 dst_link_failure include/net/dst.h:427 [inline] ndisc_error_report+0x106/0x1a0 net/ipv6/ndisc.c:695 neigh_invalidate+0x35a/0x900 net/core/neighbour.c:894 neigh_timer_handler+0xca1/0x12a0 net/core/neighbour.c:980 call_timer_fn+0x326/0x700 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0xe75/0x12e0 kernel/time/timer.c:1682 run_timer_softirq+0x2e/0x50 kernel/time/timer.c:1695 __do_softirq+0x601/0xa6d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x247/0x280 kernel/softirq.c:414 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:536 smp_apic_timer_interrupt+0x64/0x90 arch/x86/kernel/apic/apic.c:1059 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:58 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:100 [inline] RIP: 0010:default_idle+0x2e/0x50 arch/x86/kernel/process.c:498 Code: 53 e8 a6 4b 56 f7 48 89 c3 65 8b 34 25 20 a1 02 00 c7 00 00 00 00 00 c7 40 08 00 00 00 00 bf 01 00 00 00 e8 c4 06 8f f6 fb f4 <65> 8b 34 25 20 a1 02 00 c7 03 00 00 00 00 c7 43 08 00 00 00 00 bf RSP: 0018:ffff8801d170fdf8 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 RAX: 4b64f4e7eb05ef00 RBX: ffff8801d16ba788 RCX: 0000000000000001 RDX: ffff8801fc150e18 RSI: aaaaaaaaaaaab000 RDI: 0000000000000000 RBP: ffff8801d170fe00 R08: ffffffff7fffffff R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff8ab079d0 R12: 0000000000000001 R13: ffff8801d16b9e00 R14: ffff8801d16ba788 R15: ffff8801d170fe58 arch_cpu_idle+0x26/0x30 arch/x86/kernel/process.c:489 default_idle_call kernel/sched/idle.c:93 [inline] cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x350/0x860 kernel/sched/idle.c:262 cpu_startup_entry+0x105/0x150 kernel/sched/idle.c:368 start_secondary+0x46e/0x590 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:255 [inline] kmsan_internal_poison_shadow+0xc8/0x1d0 mm/kmsan/kmsan.c:180 kmsan_kmalloc+0xa4/0x120 mm/kmsan/kmsan_hooks.c:93 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan_hooks.c:102 slab_post_alloc_hook mm/slab.h:446 [inline] slab_alloc_node mm/slub.c:2727 [inline] __kmalloc_node_track_caller+0xb43/0x1400 mm/slub.c:4360 __kmalloc_reserve net/core/skbuff.c:138 [inline] __alloc_skb+0x422/0xe90 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:996 [inline] __ip6_append_data+0x3bf8/0x5170 net/ipv6/ip6_output.c:1427 ip6_append_data+0x3d8/0x670 net/ipv6/ip6_output.c:1589 rawv6_sendmsg+0x2694/0x53e0 net/ipv6/raw.c:926 inet_sendmsg+0x4d8/0x7f0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe47/0x1200 net/socket.c:2114 __sys_sendmsg net/socket.c:2152 [inline] __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg+0x307/0x460 net/socket.c:2159 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2159 do_syscall_64+0xbe/0x100 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================