IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: 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 __rhashtable_lookup include/linux/rhashtable.h:505 [inline] BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:534 [inline] BUG: KMSAN: uninit-value in br_mdb_ip_get+0x52b/0x740 net/bridge/br_multicast.c:97 CPU: 0 PID: 11803 Comm: syz-fuzzer Not tainted 5.0.0-rc1+ #7 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:600 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 __rhashtable_lookup include/linux/rhashtable.h:505 [inline] rhashtable_lookup include/linux/rhashtable.h:534 [inline] br_mdb_ip_get+0x52b/0x740 net/bridge/br_multicast.c:97 br_multicast_new_group+0xa7/0x1640 net/bridge/br_multicast.c:467 br_multicast_add_group+0x242/0xf00 net/bridge/br_multicast.c:552 br_ip4_multicast_add_group net/bridge/br_multicast.c:606 [inline] br_ip4_multicast_igmp3_report net/bridge/br_multicast.c:972 [inline] br_multicast_ipv4_rcv net/bridge/br_multicast.c:1615 [inline] br_multicast_rcv+0x3a88/0x6560 net/bridge/br_multicast.c:1701 br_dev_xmit+0xbc5/0x16a0 net/bridge/br_device.c:93 __netdev_start_xmit include/linux/netdevice.h:4382 [inline] netdev_start_xmit include/linux/netdevice.h:4391 [inline] xmit_one net/core/dev.c:3278 [inline] dev_hard_start_xmit+0x604/0xc40 net/core/dev.c:3294 __dev_queue_xmit+0x2e48/0x3b80 net/core/dev.c:3864 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3897 neigh_resolve_output+0xab7/0xb40 net/core/neighbour.c:1471 neigh_output include/net/neighbour.h:508 [inline] ip_finish_output2+0x1611/0x1820 net/ipv4/ip_output.c:229 ip_finish_output+0xd2b/0xfd0 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x53f/0x610 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:444 [inline] ip_local_out+0x164/0x1d0 net/ipv4/ip_output.c:124 igmpv3_sendpack net/ipv4/igmp.c:417 [inline] igmpv3_send_cr net/ipv4/igmp.c:705 [inline] igmp_ifc_timer_expire+0x12cb/0x1aa0 net/ipv4/igmp.c:793 call_timer_fn+0x285/0x600 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0xdb4/0x11d0 kernel/time/timer.c:1681 run_timer_softirq+0x2e/0x50 kernel/time/timer.c:1694 __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:1064 apic_timer_interrupt+0x2e/0x40 arch/x86/entry/entry_64.S:814 RIP: 0010:valid_section include/linux/mmzone.h:1207 [inline] RIP: 0010:pfn_valid include/linux/mmzone.h:1244 [inline] RIP: 0010:my_virt_addr_valid mm/kmsan/kmsan.h:181 [inline] RIP: 0010:kmsan_get_shadow_origin_ptr+0xd2/0x440 mm/kmsan/kmsan.c:826 Code: 75 36 48 8b 0c 25 e0 0d 62 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 ad 01 00 00 4c 89 f0 48 c1 e8 28 48 RSP: 0018:ffff88809d24ecf0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000260 RBX: ffffffff8c625000 RCX: ffff88812fffb000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88809d24ef7c RBP: ffff88809d24ed20 R08: ffff88809d24f040 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000935fd0df R12: 0000000000000000 R13: ffff88811d24ef7c R14: ffff88809d24ef7c R15: 0000000000000004 __msan_metadata_ptr_for_load_4+0x10/0x20 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+0x2c2/0xab50 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:231 process_measurement+0x1b37/0x2740 security/integrity/ima/ima_main.c:286 ima_file_check+0x131/0x170 security/integrity/ima/ima_main.c:393 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+0x642/0xa30 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: 0033:0x47fd2a Code: e8 bb 40 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:000000c42018d7e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047fd2a RDX: 0000000000080002 RSI: 000000c420084f60 RDI: ffffffffffffff9c RBP: 000000c42018d868 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000001a4 R11: 0000000000000212 R12: 0000000000000000 R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000004 Local variable description: ----br_group.i.i@br_multicast_rcv Variable was created at: br_multicast_rcv+0x1e7/0x6560 net/bridge/br_multicast.c:1690 br_dev_xmit+0xbc5/0x16a0 net/bridge/br_device.c:93 ==================================================================