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: 8813 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: __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 RIP: 0010:kmsan_get_shadow_origin_ptr+0xc2/0x3e0 mm/kmsan/kmsan.c:837 Code: 61 8c 48 85 c9 74 29 48 89 c2 48 c1 ea 22 48 8b 0c d1 48 85 c9 74 19 48 c1 e8 1b 83 e0 7f 48 c1 e0 05 48 01 c1 74 09 f6 01 02 <0f> 85 cc 01 00 00 4c 89 f0 48 c1 e8 28 48 3d c9 ff ff 00 72 0f 48 RSP: 0018:ffff88807c31ecf0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 00000000000001e0 RBX: ffffffff8c614000 RCX: ffff88812fffb1e0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807c31ef88 RBP: ffff88807c31ed20 R08: ffff88807c31f040 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000617f9c40 R12: 0000000000000000 R13: 0000778000000000 R14: ffff88807c31ef88 R15: ffff8880fc31ef88 __msan_metadata_ptr_for_store_4+0x13/0x20 mm/kmsan/kmsan_instr.c:54 BLEND_OP crypto/sha256_generic.c:68 [inline] sha256_transform crypto/sha256_generic.c:83 [inline] sha256_generic_block_fn+0x36b/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:000000c42033f7e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fcba RDX: 0000000000080002 RSI: 000000c420084ee0 RDI: ffffffffffffff9c RBP: 000000c42033f868 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000001a4 R11: 0000000000000212 R12: 0000000000000000 R13: 00000000000000f5 R14: 0000000000000075 R15: 0000000000000004 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 ==================================================================