IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: 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: 10396 Comm: syz-fuzzer 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:virt_to_page_or_null mm/kmsan/kmsan.c:541 [inline]
RIP: 0010:kmsan_get_shadow_origin_ptr+0x358/0x3e0 mm/kmsan/kmsan.c:847
Code: 90 7f 99 8b 48 8d 94 01 60 ad 07 00 4c 89 fb eb 2f 48 b8 00 00 00 80 7f 77 00 00 48 01 f0 48 c1 e8 0c 48 8d 0c 80 48 c1 e1 04 <48> b8 00 00 00 00 00 ea ff ff 48 01 c8 0f 85 16 fe ff ff 48 89 da
RSP: 0018:ffff88807c35ecf0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 000000000007c35e RBX: ffffffff8c615000 RCX: 00000000026d0d60
RDX: 0000000000000000 RSI: ffff8880fc35ef7c RDI: ffff88807c35ef7c
RBP: ffff88807c35ed20 R08: 00000000fca000a6 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000ff4726b7 R12: 00000000836a0a6d
R13: 00000000000001e0 R14: ffff88807c35ef7c R15: ffff8880fc35ef7c
 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:54
 sha256_transform crypto/sha256_generic.c:121 [inline]
 sha256_generic_block_fn+0x2675/0xab60 crypto/sha256_generic.c:238
 sha256_base_do_update include/crypto/sha256_base.h:82 [inline]
 crypto_sha256_update+0x35f/0x3b0 crypto/sha256_generic.c:246
 crypto_shash_update+0x484/0x4f0 crypto/shash.c:103
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:365 [inline]
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:385 [inline]
 ima_calc_file_hash+0x25ca/0x2ca0 security/integrity/ima/ima_crypto.c:450
 ima_collect_measurement+0x48d/0x980 security/integrity/ima/ima_api.c:232
 process_measurement+0x1b37/0x2740 security/integrity/ima/ima_main.c:284
 ima_file_check+0x131/0x170 security/integrity/ima/ima_main.c:391
 do_last fs/namei.c:3422 [inline]
 path_openat+0x4af5/0x6b90 fs/namei.c:3534
 do_filp_open+0x2b8/0x710 fs/namei.c:3564
 do_sys_open+0x640/0x960 fs/open.c:1063
 __do_sys_openat fs/open.c:1090 [inline]
 __se_sys_openat+0xcb/0xe0 fs/open.c:1084
 __x64_sys_openat+0x56/0x70 fs/open.c:1084
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x47fcba
Code: e8 2b 41 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48
RSP: 002b:000000c4204297e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fcba
RDX: 0000000000080002 RSI: 000000c420152140 RDI: ffffffffffffff9c
RBP: 000000c420429868 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001a4 R11: 0000000000000212 R12: 0000000000000000
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000001

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
==================================================================