IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
==================================================================
BUG: KMSAN: uninit-value in set_hsr_tag_path net/hsr/hsr_main.h:86 [inline]
BUG: KMSAN: uninit-value in set_hsr_stag_path net/hsr/hsr_main.h:129 [inline]
BUG: KMSAN: uninit-value in send_hsr_supervision_frame+0x1056/0x1510 net/hsr/hsr_device.c:293
CPU: 1 PID: 9113 Comm: syz-executor0 Not tainted 4.20.0-rc7+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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:613
 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:295
 set_hsr_tag_path net/hsr/hsr_main.h:86 [inline]
 set_hsr_stag_path net/hsr/hsr_main.h:129 [inline]
 send_hsr_supervision_frame+0x1056/0x1510 net/hsr/hsr_device.c:293
 hsr_announce+0x14c/0x3a0 net/hsr/hsr_device.c:342
 call_timer_fn+0x285/0x600 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0xdb4/0x11d0 kernel/time/timer.c:1682
 run_timer_softirq+0x2e/0x50 kernel/time/timer.c:1695
 __do_softirq+0x53f/0x93a kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:375 [inline]
 irq_exit+0x214/0x250 kernel/softirq.c:416
 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:536
 smp_apic_timer_interrupt+0x48/0x70 arch/x86/kernel/apic/apic.c:1063
 apic_timer_interrupt+0x2e/0x40 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0010:kmsan_kmalloc+0xd9/0x130 mm/kmsan/kmsan_hooks.c:179
Code: 01 00 00 00 e8 a8 be ff ff 65 ff 0c 25 c4 8f 03 00 65 8b 04 25 c4 8f 03 00 85 c0 75 32 e8 8f c1 41 ff 4c 89 6d c0 ff 75 c0 9d <65> 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 0f 48 83 c4 18 5b 41 5c
RSP: 0018:ffff888062e6f698 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8880627c90c0 RCX: 0000000000000009
RDX: 0000000000000008 RSI: 00000000be0000f5 RDI: ffff8880627c90c0
RBP: ffff888062e6f6d8 R08: ffff8880627c90e0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88812f807980
R13: 0000000000000246 R14: 0000000000000020 R15: 00000000006000c0
 kmsan_slab_alloc+0xe/0x10 mm/kmsan/kmsan_hooks.c:185
 slab_post_alloc_hook mm/slab.h:446 [inline]
 slab_alloc_node mm/slub.c:2759 [inline]
 slab_alloc mm/slub.c:2767 [inline]
 kmem_cache_alloc_trace+0x9cb/0xb90 mm/slub.c:2786
 kmalloc include/linux/slab.h:546 [inline]
 __memcg_init_list_lru_node mm/list_lru.c:351 [inline]
 memcg_update_list_lru_node mm/list_lru.c:416 [inline]
 memcg_update_list_lru mm/list_lru.c:491 [inline]
 memcg_update_all_list_lrus+0x41c/0x1110 mm/list_lru.c:528
 memcg_alloc_cache_id mm/memcontrol.c:2423 [inline]
 memcg_online_kmem mm/memcontrol.c:3049 [inline]
 mem_cgroup_css_alloc+0x1c3b/0x22a0 mm/memcontrol.c:4495
 css_create kernel/cgroup/cgroup.c:4811 [inline]
 cgroup_apply_control_enable+0x5c8/0x2660 kernel/cgroup/cgroup.c:2942
 cgroup_mkdir+0x218d/0x3690 kernel/cgroup/cgroup.c:5029
 kernfs_iop_mkdir+0x40e/0x5d0 fs/kernfs/dir.c:1122
 vfs_mkdir+0x6a4/0x950 fs/namei.c:3817
 do_mkdirat+0x39f/0x680 fs/namei.c:3840
 __do_sys_mkdir fs/namei.c:3856 [inline]
 __se_sys_mkdir+0x76/0x90 fs/namei.c:3854
 __x64_sys_mkdir+0x3e/0x60 fs/namei.c:3854
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x4572e7
Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 3d c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 1d c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:0000000000a4f658 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004572e7
RDX: 0000000000a4fcb7 RSI: 00000000000001ff RDI: 0000000000a4fca0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000017
R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000010
R13: 0000000000413b20 R14: 0000000000000000 R15: 0000000000000000

Uninit was created at:
 kmsan_save_stack_with_flags+0x7a/0x130 mm/kmsan/kmsan.c:204
 kmsan_internal_alloc_meta_for_pages+0x113/0x580 mm/kmsan/kmsan_hooks.c:98
 kmsan_alloc_page+0x7e/0x100 mm/kmsan/kmsan_hooks.c:396
 __alloc_pages_nodemask+0x1587/0x5f20 mm/page_alloc.c:4416
 __alloc_pages include/linux/gfp.h:475 [inline]
 __alloc_pages_node include/linux/gfp.h:488 [inline]
 alloc_pages_node include/linux/gfp.h:502 [inline]
 __page_frag_cache_refill mm/page_alloc.c:4488 [inline]
 page_frag_alloc+0x3c1/0x980 mm/page_alloc.c:4524
 __netdev_alloc_skb+0x1f1/0xa50 net/core/skbuff.c:414
 netdev_alloc_skb include/linux/skbuff.h:2671 [inline]
 dev_alloc_skb include/linux/skbuff.h:2684 [inline]
 send_hsr_supervision_frame+0x168/0x1510 net/hsr/hsr_device.c:266
 hsr_announce+0x14c/0x3a0 net/hsr/hsr_device.c:342
 call_timer_fn+0x285/0x600 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0xdb4/0x11d0 kernel/time/timer.c:1682
 run_timer_softirq+0x2e/0x50 kernel/time/timer.c:1695
 __do_softirq+0x53f/0x93a kernel/softirq.c:293
==================================================================