Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. syzkaller login: [ 141.149602][ T8481] IPVS: ftp: loaded support on port[0] = 21 [ 141.312089][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 141.400819][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.408268][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 141.417822][ T8481] device bridge_slave_0 entered promiscuous mode [ 141.428111][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.435675][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 141.444525][ T8481] device bridge_slave_1 entered promiscuous mode [ 141.478480][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 141.493519][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 141.527588][ T8481] team0: Port device team_slave_0 added [ 141.537425][ T8481] team0: Port device team_slave_1 added [ 141.568427][ T8481] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 141.575588][ T8481] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 141.601823][ T8481] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 141.615101][ T8481] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 141.622264][ T8481] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 141.648530][ T8481] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 141.691916][ T8481] device hsr_slave_0 entered promiscuous mode [ 141.700075][ T8481] device hsr_slave_1 entered promiscuous mode [ 141.876603][ T8481] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 141.888573][ T8481] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 141.905211][ T8481] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 141.922161][ T8481] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 142.015609][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.023298][ T8481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.031231][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.038435][ T8481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.123975][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.147200][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 142.159167][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.167998][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.180841][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 142.198497][ T8481] 8021q: adding VLAN 0 to HW filter on device team0 [ 142.217296][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 142.226325][ T28] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.233774][ T28] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.250401][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 142.260528][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.268209][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.306807][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 142.319173][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 142.335286][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 142.345748][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 142.371733][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 142.381676][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 142.394657][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 142.404456][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 142.422703][ T8481] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 142.455375][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 142.463410][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 142.485186][ T8481] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 142.527790][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 142.537206][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 142.580267][ T8481] device veth0_vlan entered promiscuous mode [ 142.587598][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 142.598495][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 142.611211][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 142.621279][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 142.645858][ T8481] device veth1_vlan entered promiscuous mode [ 142.687365][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 142.696264][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 142.705804][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 142.715288][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 142.732436][ T8481] device veth0_macvtap entered promiscuous mode [ 142.748809][ T8481] device veth1_macvtap entered promiscuous mode [ 142.782647][ T8481] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 142.790406][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 142.801700][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 142.811084][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 142.820880][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 142.840692][ T8481] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 142.848168][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 142.858163][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program executing program executing program executing program [ 143.458567][ T8696] bridge0: port 3(gretap0) entered blocking state [ 143.465668][ T8696] bridge0: port 3(gretap0) entered disabled state [ 143.474734][ T8696] device gretap0 entered promiscuous mode [ 143.482160][ T8696] bridge0: port 3(gretap0) entered blocking state [ 143.488703][ T8696] bridge0: port 3(gretap0) entered forwarding state executing program [ 143.640194][ T8697] bridge0: port 4(erspan0) entered blocking state [ 143.646892][ T8697] bridge0: port 4(erspan0) entered disabled state [ 143.655389][ T8697] device erspan0 entered promiscuous mode [ 143.662766][ T8697] bridge0: port 4(erspan0) entered blocking state [ 143.669592][ T8697] bridge0: port 4(erspan0) entered forwarding state executing program executing program executing program executing program executing program [ 144.486153][ T8703] not chained 10000 origins [ 144.490965][ T8703] CPU: 0 PID: 8703 Comm: syz-executor405 Not tainted 5.8.0-rc5-syzkaller #0 [ 144.499617][ T8703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.509676][ T8703] Call Trace: [ 144.512959][ T8703] dump_stack+0x21c/0x280 [ 144.517292][ T8703] kmsan_internal_chain_origin+0x6f/0x130 [ 144.523045][ T8703] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 144.529109][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.534291][ T8703] ? kmsan_set_origin_checked+0x95/0xf0 [ 144.539831][ T8703] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 144.545882][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.551077][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.556261][ T8703] ? kmsan_set_origin_checked+0x95/0xf0 [ 144.561812][ T8703] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 144.567876][ T8703] ? _copy_from_user+0x201/0x310 [ 144.572800][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.577984][ T8703] __msan_chain_origin+0x50/0x90 [ 144.582912][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.588367][ T8703] ? __msan_get_context_state+0x9/0x20 [ 144.593814][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.598493][ T8703] ? alloc_file_pseudo+0x4a7/0x4e0 [ 144.603593][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.608876][ T8703] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 144.614680][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.619864][ T8703] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 144.625674][ T8703] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 144.631808][ T8703] ? fd_install+0x16e/0x3f0 [ 144.636292][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.641487][ T8703] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 144.647299][ T8703] ? kmsan_get_metadata+0x116/0x180 [ 144.652515][ T8703] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 144.658302][ T8703] ? __prepare_exit_to_usermode+0x16c/0x560 [ 144.664176][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.668924][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.673756][ T8703] do_syscall_64+0xad/0x160 [ 144.678260][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.684143][ T8703] RIP: 0033:0x444329 [ 144.688011][ T8703] Code: Bad RIP value. [ 144.692062][ T8703] RSP: 002b:00007ffc37c2f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 144.700488][ T8703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444329 [ 144.708458][ T8703] RDX: 010efe10675dec09 RSI: 0000000020000200 RDI: 0000000000000004 [ 144.716444][ T8703] RBP: 00007ffc37c2f480 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 144.724411][ T8703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000023380 [ 144.732382][ T8703] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 144.740337][ T8703] Uninit was stored to memory at: [ 144.745353][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.751061][ T8703] __msan_chain_origin+0x50/0x90 [ 144.755990][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.761469][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.766123][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.770864][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.775702][ T8703] do_syscall_64+0xad/0x160 [ 144.780222][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.786103][ T8703] [ 144.788444][ T8703] Uninit was stored to memory at: [ 144.793452][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.799149][ T8703] __msan_chain_origin+0x50/0x90 [ 144.804080][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.809514][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.814169][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.818917][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.823746][ T8703] do_syscall_64+0xad/0x160 [ 144.828226][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.834087][ T8703] [ 144.836388][ T8703] Uninit was stored to memory at: [ 144.841491][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.847200][ T8703] __msan_chain_origin+0x50/0x90 [ 144.852127][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.857581][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.862241][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.866991][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.871830][ T8703] do_syscall_64+0xad/0x160 [ 144.876312][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.882183][ T8703] [ 144.884488][ T8703] Uninit was stored to memory at: [ 144.889492][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.895205][ T8703] __msan_chain_origin+0x50/0x90 [ 144.900276][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.905719][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.910376][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.915146][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.919980][ T8703] do_syscall_64+0xad/0x160 [ 144.924467][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.930418][ T8703] [ 144.932812][ T8703] Uninit was stored to memory at: [ 144.937820][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.943536][ T8703] __msan_chain_origin+0x50/0x90 [ 144.948466][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 144.953912][ T8703] __sys_sendmmsg+0x635/0xf70 [ 144.958604][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 144.963365][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 144.968253][ T8703] do_syscall_64+0xad/0x160 [ 144.972740][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.978717][ T8703] [ 144.981027][ T8703] Uninit was stored to memory at: [ 144.986057][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 144.992251][ T8703] __msan_chain_origin+0x50/0x90 [ 144.997184][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 145.002629][ T8703] __sys_sendmmsg+0x635/0xf70 [ 145.007539][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 145.012297][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 145.017127][ T8703] do_syscall_64+0xad/0x160 [ 145.021613][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.027620][ T8703] [ 145.029927][ T8703] Uninit was stored to memory at: [ 145.034935][ T8703] kmsan_internal_chain_origin+0xad/0x130 [ 145.040632][ T8703] __msan_chain_origin+0x50/0x90 [ 145.045559][ T8703] __copy_msghdr_from_user+0x4e1/0xc20 [ 145.051008][ T8703] __sys_sendmmsg+0x635/0xf70 [ 145.055693][ T8703] __se_sys_sendmmsg+0xbd/0xe0 [ 145.060783][ T8703] __x64_sys_sendmmsg+0x56/0x70 [ 145.065796][ T8703] do_syscall_64+0xad/0x160 [ 145.070281][ T8703] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.076169][ T8703] [ 145.078499][ T8703] Local variable ----msg_sys@__sys_sendmmsg created at: [ 145.085421][ T8703] __sys_sendmmsg+0xbb/0xf70 [ 145.089990][ T8703] __sys_sendmmsg+0xbb/0xf70 executing program [ 145.146412][ T8703] bridge0: port 5(syz_tun) entered blocking state [ 145.154669][ T8703] bridge0: port 5(syz_tun) entered disabled state [ 145.163659][ T8703] device syz_tun entered promiscuous mode [ 145.172566][ T8703] bridge0: port 5(syz_tun) entered blocking state [ 145.179456][ T8703] bridge0: port 5(syz_tun) entered forwarding state executing program [ 145.411907][ T8704] bridge0: port 6(ip6gretap0) entered blocking state [ 145.419810][ T8704] bridge0: port 6(ip6gretap0) entered disabled state [ 145.428040][ T8704] device ip6gretap0 entered promiscuous mode [ 145.435542][ T8704] bridge0: port 6(ip6gretap0) entered blocking state [ 145.442619][ T8704] bridge0: port 6(ip6gretap0) entered forwarding state executing program executing program [ 145.837016][ T8707] bridge0: port 7(bond0) entered blocking state [ 145.843592][ T8707] bridge0: port 7(bond0) entered disabled state [ 145.854216][ T8707] device bond0 entered promiscuous mode [ 145.860023][ T8707] device bond_slave_0 entered promiscuous mode [ 145.867298][ T8707] device bond_slave_1 entered promiscuous mode [ 145.875662][ T8707] bridge0: port 7(bond0) entered blocking state executing program [ 145.882252][ T8707] bridge0: port 7(bond0) entered forwarding state [ 146.019143][ T8708] bridge0: port 8(team0) entered blocking state [ 146.025542][ T8708] bridge0: port 8(team0) entered disabled state [ 146.035929][ T8708] device team0 entered promiscuous mode [ 146.041771][ T8708] device team_slave_0 entered promiscuous mode [ 146.050399][ T8708] device team_slave_1 entered promiscuous mode [ 146.057775][ T8708] bridge0: port 8(team0) entered blocking state executing program [ 146.064528][ T8708] bridge0: port 8(team0) entered forwarding state executing program [ 146.206326][ T8709] bridge0: port 9(dummy0) entered blocking state [ 146.212973][ T8709] bridge0: port 9(dummy0) entered disabled state [ 146.221837][ T8709] device dummy0 entered promiscuous mode [ 146.228355][ T8709] bridge0: port 9(dummy0) entered blocking state [ 146.234966][ T8709] bridge0: port 9(dummy0) entered forwarding state executing program executing program executing program [ 146.627213][ T8712] bridge0: port 10(batadv0) entered blocking state [ 146.633991][ T8712] bridge0: port 10(batadv0) entered disabled state [ 146.642557][ T8712] device batadv0 entered promiscuous mode [ 146.649860][ T8712] bridge0: port 10(batadv0) entered blocking state [ 146.656580][ T8712] bridge0: port 10(batadv0) entered forwarding state [ 146.664682][ T21] batman_adv: batadv0: No IGMP Querier present - multicast optimizations disabled [ 146.674111][ T21] batman_adv: batadv0: No MLD Querier present - multicast optimizations disabled [ 146.764115][ T8713] not chained 20000 origins [ 146.769910][ T8713] CPU: 0 PID: 8713 Comm: syz-executor405 Not tainted 5.8.0-rc5-syzkaller #0 [ 146.779694][ T8713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.789762][ T8713] Call Trace: [ 146.793065][ T8713] dump_stack+0x21c/0x280 [ 146.797384][ T8713] kmsan_internal_chain_origin+0x6f/0x130 [ 146.803087][ T8713] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 146.809139][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.814332][ T8713] ? kmsan_set_origin_checked+0x95/0xf0 [ 146.820058][ T8713] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 146.829009][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.834190][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.839369][ T8713] ? kmsan_set_origin_checked+0x95/0xf0 [ 146.844904][ T8713] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 146.850954][ T8713] ? _copy_from_user+0x201/0x310 [ 146.855916][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.861109][ T8713] __msan_chain_origin+0x50/0x90 [ 146.866031][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 146.871472][ T8713] ? __msan_get_context_state+0x9/0x20 [ 146.876914][ T8713] __sys_sendmmsg+0x635/0xf70 [ 146.881584][ T8713] ? alloc_file_pseudo+0x4a7/0x4e0 [ 146.887022][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.892206][ T8713] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 146.897992][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.903177][ T8713] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 146.908991][ T8713] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 146.915125][ T8713] ? fd_install+0x16e/0x3f0 [ 146.919632][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.924824][ T8713] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 146.930612][ T8713] ? kmsan_get_metadata+0x116/0x180 [ 146.935824][ T8713] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 146.941636][ T8713] ? __prepare_exit_to_usermode+0x16c/0x560 [ 146.947667][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 146.952507][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 146.957367][ T8713] do_syscall_64+0xad/0x160 [ 146.961857][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.967755][ T8713] RIP: 0033:0x444329 [ 146.971745][ T8713] Code: Bad RIP value. [ 146.975792][ T8713] RSP: 002b:00007ffc37c2f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 146.984185][ T8713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444329 [ 146.992271][ T8713] RDX: 010efe10675dec09 RSI: 0000000020000200 RDI: 0000000000000004 [ 147.000226][ T8713] RBP: 00007ffc37c2f480 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 147.008181][ T8713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000023c5b [ 147.016743][ T8713] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 147.024812][ T8713] Uninit was stored to memory at: [ 147.029828][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.035539][ T8713] __msan_chain_origin+0x50/0x90 [ 147.040470][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.045909][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.050567][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.055680][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.060519][ T8713] do_syscall_64+0xad/0x160 [ 147.065015][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.070885][ T8713] [ 147.073198][ T8713] Uninit was stored to memory at: [ 147.078212][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.083940][ T8713] __msan_chain_origin+0x50/0x90 [ 147.088863][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.094304][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.098971][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.103722][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.108559][ T8713] do_syscall_64+0xad/0x160 [ 147.113045][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.118909][ T8713] [ 147.121219][ T8713] Uninit was stored to memory at: [ 147.126225][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.132298][ T8713] __msan_chain_origin+0x50/0x90 [ 147.137228][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.142783][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.147468][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.152224][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.157082][ T8713] do_syscall_64+0xad/0x160 [ 147.161569][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.167434][ T8713] [ 147.169739][ T8713] Uninit was stored to memory at: [ 147.174768][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.180468][ T8713] __msan_chain_origin+0x50/0x90 [ 147.185385][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.190844][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.195519][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.200283][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.205114][ T8713] do_syscall_64+0xad/0x160 [ 147.209772][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.215701][ T8713] [ 147.218125][ T8713] Uninit was stored to memory at: [ 147.223146][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.228848][ T8713] __msan_chain_origin+0x50/0x90 [ 147.233829][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.239268][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.243925][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.248667][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.253497][ T8713] do_syscall_64+0xad/0x160 [ 147.257984][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.263850][ T8713] [ 147.266243][ T8713] Uninit was stored to memory at: [ 147.271251][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.277133][ T8713] __msan_chain_origin+0x50/0x90 [ 147.282148][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.287687][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.292343][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.297086][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.301917][ T8713] do_syscall_64+0xad/0x160 [ 147.306401][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.312275][ T8713] [ 147.314581][ T8713] Uninit was stored to memory at: [ 147.319605][ T8713] kmsan_internal_chain_origin+0xad/0x130 [ 147.325304][ T8713] __msan_chain_origin+0x50/0x90 [ 147.331093][ T8713] __copy_msghdr_from_user+0x4e1/0xc20 [ 147.336533][ T8713] __sys_sendmmsg+0x635/0xf70 [ 147.341191][ T8713] __se_sys_sendmmsg+0xbd/0xe0 [ 147.345960][ T8713] __x64_sys_sendmmsg+0x56/0x70 [ 147.350793][ T8713] do_syscall_64+0xad/0x160 [ 147.355276][ T8713] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.361141][ T8713] [ 147.363447][ T8713] Local variable ----msg_sys@__sys_sendmmsg created at: [ 147.370369][ T8713] __sys_sendmmsg+0xbb/0xf70 [ 147.374940][ T8713] __sys_sendmmsg+0xbb/0xf70 executing program executing program executing program [ 147.819851][ T8715] bridge0: port 11(veth0) entered blocking state [ 147.826400][ T8715] bridge0: port 11(veth0) entered disabled state [ 147.835039][ T8715] device veth0 entered promiscuous mode [ 147.841894][ T8715] bridge0: port 11(veth0) entered blocking state [ 147.848332][ T8715] bridge0: port 11(veth0) entered forwarding state executing program [ 147.997758][ T8716] bridge0: port 12(veth1) entered blocking state [ 148.004313][ T8716] bridge0: port 12(veth1) entered disabled state [ 148.013013][ T8716] device veth1 entered promiscuous mode [ 148.020494][ T8716] bridge0: port 12(veth1) entered blocking state [ 148.026949][ T8716] bridge0: port 12(veth1) entered forwarding state [ 148.098909][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.114225][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.130841][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.146582][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.166060][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.182748][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.198228][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.216351][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.233863][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 148.250016][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) executing program executing program executing program [ 149.966652][ C1] not chained 30000 origins [ 149.971217][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.8.0-rc5-syzkaller #0 [ 149.979802][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.989872][ C1] Call Trace: [ 149.993179][ C1] dump_stack+0x21c/0x280 [ 149.997525][ C1] kmsan_internal_chain_origin+0x6f/0x130 [ 150.003253][ C1] ? kmsan_internal_chain_origin+0xad/0x130 [ 150.009155][ C1] ? __msan_chain_origin+0x50/0x90 [ 150.014419][ C1] ? __skb_clone+0x8a6/0x9b0 [ 150.019020][ C1] ? skb_clone+0x491/0x6b0 [ 150.023443][ C1] ? br_flood+0xc45/0x1130 [ 150.027866][ C1] ? br_handle_frame_finish+0x1e35/0x2020 [ 150.033596][ C1] ? br_nf_hook_thresh+0x576/0x700 [ 150.038719][ C1] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.044976][ C1] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.050533][ C1] ? br_nf_pre_routing+0xfe7/0x25a0 [ 150.055732][ C1] ? br_handle_frame+0xc83/0x25a0 [ 150.060766][ C1] ? __netif_receive_skb_core+0x3710/0x6520 [ 150.066669][ C1] ? __netif_receive_skb+0x164/0x670 [ 150.071994][ C1] ? process_backlog+0x50d/0xba0 [ 150.076938][ C1] ? napi_poll+0x43b/0xfd0 [ 150.081363][ C1] ? net_rx_action+0x35c/0xd40 [ 150.086131][ C1] ? __do_softirq+0x2ea/0x7f5 [ 150.090814][ C1] ? run_ksoftirqd+0x25/0x40 [ 150.095405][ C1] ? smpboot_thread_fn+0x5f5/0xa90 [ 150.100517][ C1] ? kthread+0x551/0x590 [ 150.104764][ C1] ? ret_from_fork+0x1f/0x30 [ 150.109358][ C1] ? __msan_chain_origin+0x50/0x90 [ 150.114483][ C1] ? skb_clone+0x515/0x6b0 [ 150.118901][ C1] ? br_flood+0xc45/0x1130 [ 150.123329][ C1] ? br_handle_frame_finish+0x1e35/0x2020 [ 150.129052][ C1] ? br_nf_hook_thresh+0x576/0x700 [ 150.134175][ C1] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.140522][ C1] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.146091][ C1] ? br_nf_pre_routing+0xfe7/0x25a0 [ 150.151304][ C1] ? br_handle_frame+0xc83/0x25a0 [ 150.156355][ C1] ? __netif_receive_skb_core+0x3710/0x6520 [ 150.162350][ C1] ? __netif_receive_skb+0x164/0x670 [ 150.167648][ C1] ? process_backlog+0x50d/0xba0 [ 150.172591][ C1] ? napi_poll+0x43b/0xfd0 [ 150.177012][ C1] ? net_rx_action+0x35c/0xd40 [ 150.181788][ C1] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 150.190486][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.195691][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 150.201250][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.206464][ C1] __msan_chain_origin+0x50/0x90 [ 150.211418][ C1] __skb_clone+0x978/0x9b0 [ 150.215853][ C1] skb_clone+0x491/0x6b0 [ 150.220112][ C1] br_flood+0xc45/0x1130 [ 150.224392][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.229961][ C1] ? brport_get_ownership+0xf0/0xf0 [ 150.236035][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.240994][ C1] ? brport_get_ownership+0xf0/0xf0 [ 150.246205][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.252276][ C1] ? brport_get_ownership+0xf0/0xf0 [ 150.257497][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.262883][ C1] ? br_nf_pre_routing_ipv6+0x8a0/0x8a0 [ 150.268436][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.273481][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.278695][ C1] ? brnf_device_event+0x4b0/0x4b0 [ 150.283814][ C1] br_handle_frame+0xc83/0x25a0 [ 150.288687][ C1] ? brport_get_ownership+0xf0/0xf0 [ 150.293906][ C1] ? br_handle_frame_dummy+0x30/0x30 [ 150.299201][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.304930][ C1] ? ip6_input_finish+0xa0/0xa0 [ 150.309784][ C1] ? ip6_rcv_finish+0x5fc/0x7f0 [ 150.314657][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.319906][ C1] __netif_receive_skb+0x164/0x670 [ 150.325023][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 150.330580][ C1] process_backlog+0x50d/0xba0 [ 150.335357][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.341179][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 150.346471][ C1] napi_poll+0x43b/0xfd0 [ 150.350725][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.355931][ C1] net_rx_action+0x35c/0xd40 [ 150.360540][ C1] ? net_tx_action+0xdc0/0xdc0 [ 150.365305][ C1] __do_softirq+0x2ea/0x7f5 [ 150.369824][ C1] ? ksoftirqd_should_run+0x30/0x30 [ 150.375036][ C1] run_ksoftirqd+0x25/0x40 [ 150.379479][ C1] smpboot_thread_fn+0x5f5/0xa90 [ 150.384436][ C1] kthread+0x551/0x590 [ 150.388515][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 150.393546][ C1] ? kthread_blkcg+0x110/0x110 [ 150.398753][ C1] ret_from_fork+0x1f/0x30 [ 150.403169][ C1] Uninit was stored to memory at: [ 150.408195][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.413930][ C1] __msan_chain_origin+0x50/0x90 [ 150.418869][ C1] __skb_clone+0x978/0x9b0 [ 150.423283][ C1] skb_clone+0x491/0x6b0 [ 150.427524][ C1] br_flood+0xc45/0x1130 [ 150.431766][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.437311][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.442252][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.448321][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.453691][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.458713][ C1] br_handle_frame+0xc83/0x25a0 [ 150.463564][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.469292][ C1] __netif_receive_skb+0x164/0x670 [ 150.474416][ C1] process_backlog+0x50d/0xba0 [ 150.479180][ C1] napi_poll+0x43b/0xfd0 [ 150.483424][ C1] net_rx_action+0x35c/0xd40 [ 150.488012][ C1] __do_softirq+0x2ea/0x7f5 [ 150.492500][ C1] [ 150.494825][ C1] Uninit was stored to memory at: [ 150.499939][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.505655][ C1] __msan_chain_origin+0x50/0x90 [ 150.510597][ C1] __skb_clone+0x978/0x9b0 [ 150.515012][ C1] skb_clone+0x491/0x6b0 [ 150.519260][ C1] br_flood+0xc45/0x1130 [ 150.523502][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.529051][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.533989][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.540062][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.545446][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.550469][ C1] br_handle_frame+0xc83/0x25a0 [ 150.555324][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.561049][ C1] __netif_receive_skb+0x164/0x670 [ 150.566163][ C1] process_backlog+0x50d/0xba0 [ 150.570931][ C1] napi_poll+0x43b/0xfd0 [ 150.575174][ C1] net_rx_action+0x35c/0xd40 [ 150.579763][ C1] __do_softirq+0x2ea/0x7f5 [ 150.584254][ C1] [ 150.586576][ C1] Uninit was stored to memory at: [ 150.591610][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.597337][ C1] __msan_chain_origin+0x50/0x90 [ 150.602276][ C1] __skb_clone+0x978/0x9b0 [ 150.606692][ C1] skb_clone+0x491/0x6b0 [ 150.610931][ C1] br_flood+0xc45/0x1130 [ 150.615170][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.620738][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.625678][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.631751][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.637121][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.642146][ C1] br_handle_frame+0xc83/0x25a0 [ 150.647005][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.652725][ C1] __netif_receive_skb+0x164/0x670 [ 150.657866][ C1] process_backlog+0x50d/0xba0 [ 150.662719][ C1] napi_poll+0x43b/0xfd0 [ 150.666961][ C1] net_rx_action+0x35c/0xd40 [ 150.671582][ C1] __do_softirq+0x2ea/0x7f5 [ 150.676069][ C1] [ 150.678387][ C1] Uninit was stored to memory at: [ 150.683415][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.689135][ C1] __msan_chain_origin+0x50/0x90 [ 150.694073][ C1] __skb_clone+0x978/0x9b0 [ 150.698517][ C1] skb_clone+0x491/0x6b0 [ 150.702757][ C1] br_flood+0xc45/0x1130 [ 150.707009][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.712569][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.717514][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.723587][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.728956][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.733977][ C1] br_handle_frame+0xc83/0x25a0 [ 150.738830][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.744572][ C1] __netif_receive_skb+0x164/0x670 [ 150.749684][ C1] process_backlog+0x50d/0xba0 [ 150.754450][ C1] napi_poll+0x43b/0xfd0 [ 150.758689][ C1] net_rx_action+0x35c/0xd40 [ 150.763279][ C1] __do_softirq+0x2ea/0x7f5 [ 150.767769][ C1] [ 150.770090][ C1] Uninit was stored to memory at: [ 150.775117][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.780840][ C1] __msan_chain_origin+0x50/0x90 [ 150.785783][ C1] __skb_clone+0x978/0x9b0 [ 150.790203][ C1] skb_clone+0x491/0x6b0 [ 150.794443][ C1] br_flood+0xc45/0x1130 [ 150.798683][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.804230][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.809169][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.815237][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.820607][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.825627][ C1] br_handle_frame+0xc83/0x25a0 [ 150.830484][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.836202][ C1] __netif_receive_skb+0x164/0x670 [ 150.841402][ C1] process_backlog+0x50d/0xba0 [ 150.846169][ C1] napi_poll+0x43b/0xfd0 [ 150.850412][ C1] net_rx_action+0x35c/0xd40 [ 150.855001][ C1] __do_softirq+0x2ea/0x7f5 [ 150.859489][ C1] [ 150.861807][ C1] Uninit was stored to memory at: [ 150.866833][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.872552][ C1] __msan_chain_origin+0x50/0x90 [ 150.877493][ C1] __skb_clone+0x8a6/0x9b0 [ 150.881944][ C1] skb_clone+0x491/0x6b0 [ 150.886186][ C1] br_flood+0xc45/0x1130 [ 150.890436][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.895985][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.900926][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.906994][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 150.912368][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 150.917399][ C1] br_handle_frame+0xc83/0x25a0 [ 150.922262][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 150.927985][ C1] __netif_receive_skb+0x164/0x670 [ 150.933099][ C1] process_backlog+0x50d/0xba0 [ 150.937873][ C1] napi_poll+0x43b/0xfd0 [ 150.942131][ C1] net_rx_action+0x35c/0xd40 [ 150.946724][ C1] __do_softirq+0x2ea/0x7f5 [ 150.951822][ C1] [ 150.954151][ C1] Uninit was stored to memory at: [ 150.959189][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.964930][ C1] __msan_chain_origin+0x50/0x90 [ 150.969873][ C1] skb_clone+0x515/0x6b0 [ 150.974254][ C1] br_flood+0xc45/0x1130 [ 150.978507][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 150.984080][ C1] br_nf_hook_thresh+0x576/0x700 [ 150.989024][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 150.995099][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 151.000491][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 151.005513][ C1] br_handle_frame+0xc83/0x25a0 [ 151.010366][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 151.016088][ C1] __netif_receive_skb+0x164/0x670 [ 151.021210][ C1] process_backlog+0x50d/0xba0 [ 151.025976][ C1] napi_poll+0x43b/0xfd0 [ 151.030221][ C1] net_rx_action+0x35c/0xd40 [ 151.034814][ C1] __do_softirq+0x2ea/0x7f5 [ 151.039301][ C1] [ 151.041621][ C1] Uninit was created at: [ 151.045864][ C1] kmsan_internal_poison_shadow+0x66/0xd0 [ 151.051590][ C1] kmsan_slab_alloc+0x8a/0xe0 [ 151.056269][ C1] kmem_cache_alloc+0x813/0xc50 [ 151.061118][ C1] skb_clone+0x389/0x6b0 [ 151.065370][ C1] br_flood+0xc45/0x1130 [ 151.069613][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 151.075158][ C1] br_nf_hook_thresh+0x576/0x700 [ 151.080101][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 151.086168][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 151.091545][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 151.096572][ C1] br_handle_frame+0xc83/0x25a0 [ 151.101426][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 151.107148][ C1] __netif_receive_skb+0x164/0x670 [ 151.112262][ C1] process_backlog+0x50d/0xba0 [ 151.117024][ C1] napi_poll+0x43b/0xfd0 [ 151.121293][ C1] net_rx_action+0x35c/0xd40 [ 151.125896][ C1] __do_softirq+0x2ea/0x7f5 executing program [ 151.778124][ T8721] bridge0: port 13(veth0_to_bridge) entered blocking state [ 151.786675][ T8721] bridge0: port 13(veth0_to_bridge) entered disabled state [ 151.796248][ T8721] device veth0_to_bridge entered promiscuous mode [ 151.803483][ T8721] bridge0: adding interface veth0_to_bridge with same address as a received packet (addr:aa:aa:aa:aa:aa:1b, vlan:0) [ 151.816669][ T8721] bridge0: port 13(veth0_to_bridge) entered blocking state [ 151.824183][ T8721] bridge0: port 13(veth0_to_bridge) entered forwarding state executing program executing program [ 153.204252][ T8723] bridge0: port 14(veth1_to_bridge) entered blocking state [ 153.211847][ T8723] bridge0: port 14(veth1_to_bridge) entered disabled state [ 153.221510][ T8723] device veth1_to_bridge entered promiscuous mode [ 153.228770][ T8723] bridge0: adding interface veth1_to_bridge with same address as a received packet (addr:aa:aa:aa:aa:aa:1c, vlan:0) [ 153.241967][ T8723] bridge0: port 14(veth1_to_bridge) entered blocking state [ 153.249492][ T8723] bridge0: port 14(veth1_to_bridge) entered forwarding state [ 153.505752][ C0] net_ratelimit: 611 callbacks suppressed [ 153.505809][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 153.526096][ C0] not chained 40000 origins [ 153.530634][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.8.0-rc5-syzkaller #0 [ 153.538694][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.548744][ C0] Call Trace: [ 153.552041][ C0] dump_stack+0x21c/0x280 [ 153.556382][ C0] kmsan_internal_chain_origin+0x6f/0x130 [ 153.562108][ C0] ? kmsan_internal_chain_origin+0xad/0x130 [ 153.568003][ C0] ? __msan_chain_origin+0x50/0x90 [ 153.573115][ C0] ? __skb_clone+0x8a6/0x9b0 [ 153.577711][ C0] ? skb_clone+0x491/0x6b0 [ 153.582127][ C0] ? br_flood+0xc45/0x1130 [ 153.586576][ C0] ? br_handle_frame_finish+0x1e35/0x2020 [ 153.592296][ C0] ? br_nf_hook_thresh+0x576/0x700 [ 153.597413][ C0] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 153.603657][ C0] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 153.609218][ C0] ? br_nf_pre_routing+0xfe7/0x25a0 [ 153.614420][ C0] ? br_handle_frame+0xc83/0x25a0 [ 153.619450][ C0] ? __netif_receive_skb_core+0x3710/0x6520 [ 153.625349][ C0] ? __netif_receive_skb+0x164/0x670 [ 153.630905][ C0] ? process_backlog+0x50d/0xba0 [ 153.635846][ C0] ? napi_poll+0x43b/0xfd0 [ 153.640264][ C0] ? net_rx_action+0x35c/0xd40 [ 153.645031][ C0] ? __do_softirq+0x2ea/0x7f5 [ 153.649856][ C0] ? run_ksoftirqd+0x25/0x40 [ 153.654447][ C0] ? smpboot_thread_fn+0x5f5/0xa90 [ 153.659559][ C0] ? kthread+0x551/0x590 [ 153.663800][ C0] ? ret_from_fork+0x1f/0x30 [ 153.668393][ C0] ? __msan_chain_origin+0x50/0x90 [ 153.673506][ C0] ? skb_clone+0x515/0x6b0 [ 153.677921][ C0] ? br_flood+0xc45/0x1130 [ 153.682341][ C0] ? br_handle_frame_finish+0x1e35/0x2020 [ 153.688067][ C0] ? br_nf_hook_thresh+0x576/0x700 [ 153.693181][ C0] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 153.699425][ C0] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 153.704978][ C0] ? br_nf_pre_routing+0xfe7/0x25a0 [ 153.710177][ C0] ? br_handle_frame+0xc83/0x25a0 [ 153.715208][ C0] ? __netif_receive_skb_core+0x3710/0x6520 [ 153.721109][ C0] ? __netif_receive_skb+0x164/0x670 [ 153.726398][ C0] ? process_backlog+0x50d/0xba0 [ 153.731340][ C0] ? napi_poll+0x43b/0xfd0 [ 153.735759][ C0] ? net_rx_action+0x35c/0xd40 [ 153.740529][ C0] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 153.746692][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.751894][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 153.757441][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.762642][ C0] __msan_chain_origin+0x50/0x90 [ 153.767585][ C0] __skb_clone+0x978/0x9b0 [ 153.772018][ C0] skb_clone+0x491/0x6b0 [ 153.776291][ C0] br_flood+0xc45/0x1130 [ 153.780558][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 153.786119][ C0] ? brport_get_ownership+0xf0/0xf0 [ 153.791322][ C0] br_nf_hook_thresh+0x576/0x700 [ 153.796275][ C0] ? brport_get_ownership+0xf0/0xf0 [ 153.801488][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 153.807559][ C0] ? brport_get_ownership+0xf0/0xf0 [ 153.812780][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 153.818163][ C0] ? br_nf_pre_routing_ipv6+0x8a0/0x8a0 [ 153.823714][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 153.828757][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.833966][ C0] ? brnf_device_event+0x4b0/0x4b0 [ 153.839078][ C0] br_handle_frame+0xc83/0x25a0 [ 153.843943][ C0] ? brport_get_ownership+0xf0/0xf0 [ 153.849150][ C0] ? br_handle_frame_dummy+0x30/0x30 [ 153.854456][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 153.860183][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.865398][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.870606][ C0] __netif_receive_skb+0x164/0x670 [ 153.875718][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 153.881277][ C0] process_backlog+0x50d/0xba0 [ 153.886052][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 153.891868][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 153.897152][ C0] napi_poll+0x43b/0xfd0 [ 153.901405][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.906699][ C0] net_rx_action+0x35c/0xd40 [ 153.911997][ C0] ? net_tx_action+0xdc0/0xdc0 [ 153.916764][ C0] __do_softirq+0x2ea/0x7f5 [ 153.921283][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 153.926492][ C0] run_ksoftirqd+0x25/0x40 [ 153.930998][ C0] smpboot_thread_fn+0x5f5/0xa90 [ 153.936014][ C0] kthread+0x551/0x590 [ 153.940136][ C0] ? cpu_report_death+0x1a0/0x1a0 [ 153.945177][ C0] ? kthread_blkcg+0x110/0x110 [ 153.950086][ C0] ret_from_fork+0x1f/0x30 [ 153.954512][ C0] Uninit was stored to memory at: [ 153.959547][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.965277][ C0] __msan_chain_origin+0x50/0x90 [ 153.970221][ C0] __skb_clone+0x978/0x9b0 [ 153.974644][ C0] skb_clone+0x491/0x6b0 [ 153.978887][ C0] br_flood+0xc45/0x1130 [ 153.983218][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 153.988768][ C0] br_nf_hook_thresh+0x576/0x700 [ 153.993709][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 153.999870][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.005250][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.010272][ C0] br_handle_frame+0xc83/0x25a0 [ 154.015137][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.020857][ C0] __netif_receive_skb+0x164/0x670 [ 154.025971][ C0] process_backlog+0x50d/0xba0 [ 154.030739][ C0] napi_poll+0x43b/0xfd0 [ 154.034987][ C0] net_rx_action+0x35c/0xd40 [ 154.039576][ C0] __do_softirq+0x2ea/0x7f5 [ 154.044090][ C0] [ 154.046417][ C0] Uninit was stored to memory at: [ 154.051447][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.057170][ C0] __msan_chain_origin+0x50/0x90 [ 154.062118][ C0] __skb_clone+0x978/0x9b0 [ 154.066549][ C0] skb_clone+0x491/0x6b0 [ 154.070801][ C0] br_flood+0xc45/0x1130 [ 154.075056][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.080606][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.085550][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.091653][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.097027][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.102055][ C0] br_handle_frame+0xc83/0x25a0 [ 154.106929][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.112657][ C0] __netif_receive_skb+0x164/0x670 [ 154.117770][ C0] process_backlog+0x50d/0xba0 [ 154.122657][ C0] napi_poll+0x43b/0xfd0 [ 154.126922][ C0] net_rx_action+0x35c/0xd40 [ 154.131516][ C0] __do_softirq+0x2ea/0x7f5 [ 154.136037][ C0] [ 154.138381][ C0] Uninit was stored to memory at: [ 154.143430][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.149155][ C0] __msan_chain_origin+0x50/0x90 [ 154.154098][ C0] __skb_clone+0x978/0x9b0 [ 154.158518][ C0] skb_clone+0x491/0x6b0 [ 154.162758][ C0] br_flood+0xc45/0x1130 [ 154.166999][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.172547][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.177488][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.183585][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.188967][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.193993][ C0] br_handle_frame+0xc83/0x25a0 [ 154.198846][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.204564][ C0] __netif_receive_skb+0x164/0x670 [ 154.209676][ C0] process_backlog+0x50d/0xba0 [ 154.214469][ C0] napi_poll+0x43b/0xfd0 [ 154.218724][ C0] net_rx_action+0x35c/0xd40 [ 154.223315][ C0] __do_softirq+0x2ea/0x7f5 [ 154.227803][ C0] [ 154.230131][ C0] Uninit was stored to memory at: [ 154.235162][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.240883][ C0] __msan_chain_origin+0x50/0x90 [ 154.245826][ C0] __skb_clone+0x978/0x9b0 [ 154.250333][ C0] skb_clone+0x491/0x6b0 [ 154.254573][ C0] br_flood+0xc45/0x1130 [ 154.258812][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.264364][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.269391][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.275470][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.281895][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.286930][ C0] br_handle_frame+0xc83/0x25a0 [ 154.291784][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.297504][ C0] __netif_receive_skb+0x164/0x670 [ 154.302619][ C0] process_backlog+0x50d/0xba0 [ 154.307385][ C0] napi_poll+0x43b/0xfd0 [ 154.311629][ C0] net_rx_action+0x35c/0xd40 [ 154.316216][ C0] __do_softirq+0x2ea/0x7f5 [ 154.320707][ C0] [ 154.323027][ C0] Uninit was stored to memory at: [ 154.328065][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.333785][ C0] __msan_chain_origin+0x50/0x90 [ 154.338725][ C0] __skb_clone+0x978/0x9b0 [ 154.343141][ C0] skb_clone+0x491/0x6b0 [ 154.347380][ C0] br_flood+0xc45/0x1130 [ 154.351620][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.357166][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.362105][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.368188][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.373561][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.378584][ C0] br_handle_frame+0xc83/0x25a0 [ 154.383524][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.389246][ C0] __netif_receive_skb+0x164/0x670 [ 154.394362][ C0] process_backlog+0x50d/0xba0 [ 154.399132][ C0] napi_poll+0x43b/0xfd0 [ 154.403375][ C0] net_rx_action+0x35c/0xd40 [ 154.407963][ C0] __do_softirq+0x2ea/0x7f5 [ 154.412537][ C0] [ 154.414856][ C0] Uninit was stored to memory at: [ 154.419901][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.425621][ C0] __msan_chain_origin+0x50/0x90 [ 154.430558][ C0] __skb_clone+0x8a6/0x9b0 [ 154.434974][ C0] skb_clone+0x491/0x6b0 [ 154.439212][ C0] br_flood+0xc45/0x1130 [ 154.443455][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.449002][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.453977][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.460045][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.465416][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.470444][ C0] br_handle_frame+0xc83/0x25a0 [ 154.475299][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.481027][ C0] __netif_receive_skb+0x164/0x670 [ 154.486144][ C0] process_backlog+0x50d/0xba0 [ 154.490911][ C0] napi_poll+0x43b/0xfd0 [ 154.495156][ C0] net_rx_action+0x35c/0xd40 [ 154.499746][ C0] __do_softirq+0x2ea/0x7f5 [ 154.504235][ C0] [ 154.506559][ C0] Uninit was stored to memory at: [ 154.511585][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.517304][ C0] __msan_chain_origin+0x50/0x90 [ 154.522420][ C0] skb_clone+0x515/0x6b0 [ 154.526662][ C0] br_flood+0xc45/0x1130 [ 154.530906][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.536454][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.541438][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.547504][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.552880][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.557904][ C0] br_handle_frame+0xc83/0x25a0 [ 154.562758][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.568478][ C0] __netif_receive_skb+0x164/0x670 [ 154.573589][ C0] process_backlog+0x50d/0xba0 [ 154.578362][ C0] napi_poll+0x43b/0xfd0 [ 154.582607][ C0] net_rx_action+0x35c/0xd40 [ 154.587196][ C0] __do_softirq+0x2ea/0x7f5 [ 154.591682][ C0] [ 154.594001][ C0] Uninit was created at: [ 154.598247][ C0] kmsan_internal_poison_shadow+0x66/0xd0 [ 154.603972][ C0] kmsan_slab_alloc+0x8a/0xe0 [ 154.608652][ C0] kmem_cache_alloc+0x813/0xc50 [ 154.613505][ C0] skb_clone+0x389/0x6b0 [ 154.617750][ C0] br_flood+0xc45/0x1130 [ 154.621992][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 154.627536][ C0] br_nf_hook_thresh+0x576/0x700 [ 154.632475][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 154.638542][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 154.643916][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 154.648940][ C0] br_handle_frame+0xc83/0x25a0 [ 154.653797][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 154.659517][ C0] __netif_receive_skb+0x164/0x670 [ 154.664631][ C0] process_backlog+0x50d/0xba0 [ 154.669399][ C0] napi_poll+0x43b/0xfd0 [ 154.673644][ C0] net_rx_action+0x35c/0xd40 [ 154.678234][ C0] __do_softirq+0x2ea/0x7f5 [ 154.686179][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.703010][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.720068][ C0] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.737607][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.755158][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.772025][ C0] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.789284][ C0] bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.806866][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 154.824336][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) executing program executing program [ 156.003654][ T8725] bridge0: port 15(veth0_to_bond) entered blocking state [ 156.011006][ T8725] bridge0: port 15(veth0_to_bond) entered disabled state [ 156.020514][ T8725] device veth0_to_bond entered promiscuous mode [ 156.027511][ T8725] bridge0: adding interface veth0_to_bond with same address as a received packet (addr:aa:aa:aa:aa:aa:1d, vlan:0) [ 156.040595][ T8725] bridge0: port 15(veth0_to_bond) entered blocking state [ 156.047927][ T8725] bridge0: port 15(veth0_to_bond) entered forwarding state executing program [ 156.978432][ T8726] bond0: (slave bond_slave_0): Releasing backup interface [ 156.991681][ C1] not chained 50000 origins [ 156.996212][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.8.0-rc5-syzkaller #0 [ 157.004370][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.014430][ C1] Call Trace: [ 157.017729][ C1] dump_stack+0x21c/0x280 [ 157.022073][ C1] kmsan_internal_chain_origin+0x6f/0x130 [ 157.027796][ C1] ? kmsan_internal_chain_origin+0xad/0x130 [ 157.033692][ C1] ? __msan_chain_origin+0x50/0x90 [ 157.038812][ C1] ? __skb_clone+0x8a6/0x9b0 [ 157.043405][ C1] ? skb_clone+0x491/0x6b0 [ 157.047842][ C1] ? br_flood+0xc45/0x1130 [ 157.052257][ C1] ? br_handle_frame_finish+0x1e35/0x2020 [ 157.057990][ C1] ? br_nf_hook_thresh+0x576/0x700 [ 157.063117][ C1] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.069368][ C1] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.074928][ C1] ? br_nf_pre_routing+0xfe7/0x25a0 [ 157.080133][ C1] ? br_handle_frame+0xc83/0x25a0 [ 157.085170][ C1] ? __netif_receive_skb_core+0x3710/0x6520 [ 157.091159][ C1] ? __netif_receive_skb+0x164/0x670 [ 157.096468][ C1] ? process_backlog+0x50d/0xba0 [ 157.101413][ C1] ? napi_poll+0x43b/0xfd0 [ 157.105864][ C1] ? net_rx_action+0x35c/0xd40 [ 157.110634][ C1] ? __do_softirq+0x2ea/0x7f5 [ 157.115327][ C1] ? run_ksoftirqd+0x25/0x40 [ 157.119921][ C1] ? smpboot_thread_fn+0x5f5/0xa90 [ 157.125036][ C1] ? kthread+0x551/0x590 [ 157.129284][ C1] ? ret_from_fork+0x1f/0x30 [ 157.133880][ C1] ? __msan_chain_origin+0x50/0x90 [ 157.138993][ C1] ? skb_clone+0x515/0x6b0 [ 157.143412][ C1] ? br_flood+0xc45/0x1130 [ 157.147827][ C1] ? br_handle_frame_finish+0x1e35/0x2020 [ 157.153545][ C1] ? br_nf_hook_thresh+0x576/0x700 [ 157.158659][ C1] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.164901][ C1] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.170445][ C1] ? br_nf_pre_routing+0xfe7/0x25a0 [ 157.175640][ C1] ? br_handle_frame+0xc83/0x25a0 [ 157.180669][ C1] ? __netif_receive_skb_core+0x3710/0x6520 [ 157.186574][ C1] ? __netif_receive_skb+0x164/0x670 [ 157.191857][ C1] ? process_backlog+0x50d/0xba0 [ 157.196794][ C1] ? napi_poll+0x43b/0xfd0 [ 157.201211][ C1] ? net_rx_action+0x35c/0xd40 [ 157.205979][ C1] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 157.212143][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.217343][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 157.222989][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.228195][ C1] __msan_chain_origin+0x50/0x90 [ 157.233145][ C1] __skb_clone+0x978/0x9b0 [ 157.237573][ C1] skb_clone+0x491/0x6b0 [ 157.241823][ C1] br_flood+0xc45/0x1130 [ 157.246101][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.251661][ C1] ? brport_get_ownership+0xf0/0xf0 [ 157.256868][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.261824][ C1] ? brport_get_ownership+0xf0/0xf0 [ 157.267049][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.273113][ C1] ? brport_get_ownership+0xf0/0xf0 [ 157.278337][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.283727][ C1] ? br_nf_pre_routing_ipv6+0x8a0/0x8a0 [ 157.289276][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.294333][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.299887][ C1] ? brnf_device_event+0x4b0/0x4b0 [ 157.304997][ C1] br_handle_frame+0xc83/0x25a0 [ 157.310125][ C1] ? brport_get_ownership+0xf0/0xf0 [ 157.315327][ C1] ? br_handle_frame_dummy+0x30/0x30 [ 157.320702][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.326437][ C1] ? ip6_input_finish+0xa0/0xa0 [ 157.331288][ C1] ? ip6_rcv_finish+0x5fc/0x7f0 [ 157.336158][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.341368][ C1] __netif_receive_skb+0x164/0x670 [ 157.346483][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 157.352041][ C1] process_backlog+0x50d/0xba0 [ 157.356811][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 157.362633][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 157.367917][ C1] napi_poll+0x43b/0xfd0 [ 157.372177][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.377381][ C1] net_rx_action+0x35c/0xd40 [ 157.381984][ C1] ? net_tx_action+0xdc0/0xdc0 [ 157.386748][ C1] __do_softirq+0x2ea/0x7f5 [ 157.391280][ C1] ? ksoftirqd_should_run+0x30/0x30 [ 157.396491][ C1] run_ksoftirqd+0x25/0x40 [ 157.400914][ C1] smpboot_thread_fn+0x5f5/0xa90 [ 157.405866][ C1] kthread+0x551/0x590 [ 157.409937][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 157.414969][ C1] ? kthread_blkcg+0x110/0x110 [ 157.419742][ C1] ret_from_fork+0x1f/0x30 [ 157.424248][ C1] Uninit was stored to memory at: [ 157.429278][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.434998][ C1] __msan_chain_origin+0x50/0x90 [ 157.439939][ C1] __skb_clone+0x978/0x9b0 [ 157.444353][ C1] skb_clone+0x491/0x6b0 [ 157.448590][ C1] br_flood+0xc45/0x1130 [ 157.452832][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.458383][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.463322][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.469387][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.474768][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.479789][ C1] br_handle_frame+0xc83/0x25a0 [ 157.484643][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.490362][ C1] __netif_receive_skb+0x164/0x670 [ 157.495470][ C1] process_backlog+0x50d/0xba0 [ 157.500233][ C1] napi_poll+0x43b/0xfd0 [ 157.504475][ C1] net_rx_action+0x35c/0xd40 [ 157.509062][ C1] __do_softirq+0x2ea/0x7f5 [ 157.513550][ C1] [ 157.515869][ C1] Uninit was stored to memory at: [ 157.520896][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.526612][ C1] __msan_chain_origin+0x50/0x90 [ 157.531562][ C1] __skb_clone+0x978/0x9b0 [ 157.535980][ C1] skb_clone+0x491/0x6b0 [ 157.540225][ C1] br_flood+0xc45/0x1130 [ 157.544466][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.550010][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.554945][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.561010][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.566468][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.571492][ C1] br_handle_frame+0xc83/0x25a0 [ 157.576348][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.582074][ C1] __netif_receive_skb+0x164/0x670 [ 157.587188][ C1] process_backlog+0x50d/0xba0 [ 157.591951][ C1] napi_poll+0x43b/0xfd0 [ 157.596192][ C1] net_rx_action+0x35c/0xd40 [ 157.600785][ C1] __do_softirq+0x2ea/0x7f5 [ 157.605275][ C1] [ 157.607594][ C1] Uninit was stored to memory at: [ 157.612619][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.618339][ C1] __msan_chain_origin+0x50/0x90 [ 157.623272][ C1] __skb_clone+0x978/0x9b0 [ 157.627691][ C1] skb_clone+0x491/0x6b0 [ 157.631928][ C1] br_flood+0xc45/0x1130 [ 157.636170][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.641715][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.646653][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.652722][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.658093][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.663117][ C1] br_handle_frame+0xc83/0x25a0 [ 157.667992][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.673713][ C1] __netif_receive_skb+0x164/0x670 [ 157.678823][ C1] process_backlog+0x50d/0xba0 [ 157.683585][ C1] napi_poll+0x43b/0xfd0 [ 157.687825][ C1] net_rx_action+0x35c/0xd40 [ 157.692417][ C1] __do_softirq+0x2ea/0x7f5 [ 157.696906][ C1] [ 157.699225][ C1] Uninit was stored to memory at: [ 157.704249][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.709989][ C1] __msan_chain_origin+0x50/0x90 [ 157.714926][ C1] __skb_clone+0x978/0x9b0 [ 157.719341][ C1] skb_clone+0x491/0x6b0 [ 157.723576][ C1] br_flood+0xc45/0x1130 [ 157.727815][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.733359][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.738300][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.744362][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.751042][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.756110][ C1] br_handle_frame+0xc83/0x25a0 [ 157.760964][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.766684][ C1] __netif_receive_skb+0x164/0x670 [ 157.771794][ C1] process_backlog+0x50d/0xba0 [ 157.776557][ C1] napi_poll+0x43b/0xfd0 [ 157.780801][ C1] net_rx_action+0x35c/0xd40 [ 157.785387][ C1] __do_softirq+0x2ea/0x7f5 [ 157.789878][ C1] [ 157.792196][ C1] Uninit was stored to memory at: [ 157.797245][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.802981][ C1] __msan_chain_origin+0x50/0x90 [ 157.807917][ C1] __skb_clone+0x978/0x9b0 [ 157.812330][ C1] skb_clone+0x491/0x6b0 [ 157.816569][ C1] br_flood+0xc45/0x1130 [ 157.820809][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.826351][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.831285][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.837352][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.843502][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.848527][ C1] br_handle_frame+0xc83/0x25a0 [ 157.853378][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.859098][ C1] __netif_receive_skb+0x164/0x670 [ 157.864268][ C1] process_backlog+0x50d/0xba0 [ 157.869030][ C1] napi_poll+0x43b/0xfd0 [ 157.873268][ C1] net_rx_action+0x35c/0xd40 [ 157.877884][ C1] __do_softirq+0x2ea/0x7f5 [ 157.882371][ C1] [ 157.884688][ C1] Uninit was stored to memory at: [ 157.889710][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.895429][ C1] __msan_chain_origin+0x50/0x90 [ 157.900365][ C1] __skb_clone+0x8a6/0x9b0 [ 157.904785][ C1] skb_clone+0x491/0x6b0 [ 157.909028][ C1] br_flood+0xeae/0x1130 [ 157.913276][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 157.918822][ C1] br_nf_hook_thresh+0x576/0x700 [ 157.923760][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 157.929829][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 157.935197][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 157.940279][ C1] br_handle_frame+0xc83/0x25a0 [ 157.945143][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 157.951013][ C1] __netif_receive_skb+0x164/0x670 [ 157.956137][ C1] process_backlog+0x50d/0xba0 [ 157.960912][ C1] napi_poll+0x43b/0xfd0 [ 157.965209][ C1] net_rx_action+0x35c/0xd40 [ 157.969823][ C1] __do_softirq+0x2ea/0x7f5 [ 157.974342][ C1] [ 157.976668][ C1] Uninit was stored to memory at: [ 157.981715][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.987447][ C1] __msan_chain_origin+0x50/0x90 [ 157.992395][ C1] skb_clone+0x515/0x6b0 [ 157.996660][ C1] br_flood+0xeae/0x1130 [ 158.000909][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 158.006457][ C1] br_nf_hook_thresh+0x576/0x700 [ 158.011399][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 158.017472][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 158.022849][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 158.027962][ C1] br_handle_frame+0xc83/0x25a0 [ 158.032824][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 158.038545][ C1] __netif_receive_skb+0x164/0x670 [ 158.043656][ C1] process_backlog+0x50d/0xba0 [ 158.048423][ C1] napi_poll+0x43b/0xfd0 [ 158.052673][ C1] net_rx_action+0x35c/0xd40 [ 158.057262][ C1] __do_softirq+0x2ea/0x7f5 [ 158.061750][ C1] [ 158.064084][ C1] Uninit was created at: [ 158.068327][ C1] kmsan_internal_poison_shadow+0x66/0xd0 [ 158.074046][ C1] kmsan_slab_alloc+0x8a/0xe0 [ 158.078729][ C1] kmem_cache_alloc+0x813/0xc50 [ 158.083584][ C1] skb_clone+0x389/0x6b0 [ 158.087846][ C1] br_flood+0xeae/0x1130 [ 158.092101][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 158.097769][ C1] br_nf_hook_thresh+0x576/0x700 [ 158.102718][ C1] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 158.108802][ C1] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 158.114272][ C1] br_nf_pre_routing+0xfe7/0x25a0 [ 158.119311][ C1] br_handle_frame+0xc83/0x25a0 [ 158.124174][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 158.129900][ C1] __netif_receive_skb+0x164/0x670 [ 158.135014][ C1] process_backlog+0x50d/0xba0 [ 158.139788][ C1] napi_poll+0x43b/0xfd0 [ 158.144033][ C1] net_rx_action+0x35c/0xd40 [ 158.148623][ C1] __do_softirq+0x2ea/0x7f5 [ 158.487581][ T8726] device bond_slave_0 left promiscuous mode [ 158.968112][ T8726] bridge0: port 16(bond_slave_0) entered blocking state [ 158.975301][ T8726] bridge0: port 16(bond_slave_0) entered disabled state [ 158.984637][ T8726] device bond_slave_0 entered promiscuous mode [ 159.162698][ C0] net_ratelimit: 249 callbacks suppressed [ 159.162757][ C0] bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.186783][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.204176][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.221231][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.238445][ C0] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.256311][ C0] bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.274087][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.291923][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) executing program [ 159.309136][ C0] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.326039][ T28] bridge0: port 15(veth0_to_bond) entered disabled state [ 159.326788][ C0] bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:18, vlan:0) [ 159.625350][ T8727] bridge0: port 17(veth1_to_bond) entered blocking state [ 159.632731][ T8727] bridge0: port 17(veth1_to_bond) entered disabled state [ 159.642126][ T8727] device veth1_to_bond entered promiscuous mode [ 159.649191][ T8727] bridge0: adding interface veth1_to_bond with same address as a received packet (addr:aa:aa:aa:aa:aa:1e, vlan:0) [ 159.662199][ T8727] bridge0: port 17(veth1_to_bond) entered blocking state [ 159.669511][ T8727] bridge0: port 17(veth1_to_bond) entered forwarding state executing program [ 160.227723][ T8728] not chained 60000 origins [ 160.232370][ T8728] CPU: 0 PID: 8728 Comm: syz-executor405 Not tainted 5.8.0-rc5-syzkaller #0 [ 160.241041][ T8728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.251096][ T8728] Call Trace: [ 160.254404][ T8728] dump_stack+0x21c/0x280 [ 160.258760][ T8728] kmsan_internal_chain_origin+0x6f/0x130 [ 160.264483][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.270297][ T8728] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 160.276371][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.281614][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.287423][ T8728] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 160.293490][ T8728] ? __msan_get_context_state+0x9/0x20 [ 160.298949][ T8728] ? update_misfit_status+0x2c/0xc30 [ 160.304256][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.310093][ T8728] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 160.316189][ T8728] ? __list_add_valid+0xb8/0x420 [ 160.321131][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.326331][ T8728] ? kmsan_set_origin_checked+0x95/0xf0 [ 160.331884][ T8728] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 160.337962][ T8728] ? _copy_from_user+0x201/0x310 [ 160.342913][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.348112][ T8728] __msan_chain_origin+0x50/0x90 [ 160.353055][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.358536][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.363242][ T8728] ? alloc_file_pseudo+0x4a7/0x4e0 [ 160.368455][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.373657][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.379464][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.384667][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.390477][ T8728] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 160.396630][ T8728] ? fd_install+0x16e/0x3f0 [ 160.401142][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.406343][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.412155][ T8728] ? kmsan_get_metadata+0x116/0x180 [ 160.417360][ T8728] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 160.423172][ T8728] ? __prepare_exit_to_usermode+0x16c/0x560 [ 160.429068][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.433840][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.438699][ T8728] do_syscall_64+0xad/0x160 [ 160.443214][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.449108][ T8728] RIP: 0033:0x444329 [ 160.452996][ T8728] Code: Bad RIP value. [ 160.457066][ T8728] RSP: 002b:00007ffc37c2f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 160.465485][ T8728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444329 [ 160.473466][ T8728] RDX: 010efe10675dec09 RSI: 0000000020000200 RDI: 0000000000000004 [ 160.481467][ T8728] RBP: 00007ffc37c2f480 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 160.489446][ T8728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000026d73 [ 160.497424][ T8728] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 160.505429][ T8728] Uninit was stored to memory at: [ 160.510471][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.516198][ T8728] __msan_chain_origin+0x50/0x90 [ 160.521401][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.526864][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.531543][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.536336][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.541191][ T8728] do_syscall_64+0xad/0x160 [ 160.545698][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.551929][ T8728] [ 160.554253][ T8728] Uninit was stored to memory at: [ 160.559285][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.565022][ T8728] __msan_chain_origin+0x50/0x90 [ 160.570092][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.575550][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.580226][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.584987][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.589838][ T8728] do_syscall_64+0xad/0x160 [ 160.594355][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.600233][ T8728] [ 160.602559][ T8728] Uninit was stored to memory at: [ 160.607678][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.613400][ T8728] __msan_chain_origin+0x50/0x90 [ 160.618339][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.623800][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.628477][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.633242][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.638103][ T8728] do_syscall_64+0xad/0x160 [ 160.642617][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.648496][ T8728] [ 160.650817][ T8728] Uninit was stored to memory at: [ 160.655844][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.661576][ T8728] __msan_chain_origin+0x50/0x90 [ 160.666513][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.671970][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.676643][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.681402][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.686251][ T8728] do_syscall_64+0xad/0x160 [ 160.690754][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.696636][ T8728] [ 160.698954][ T8728] Uninit was stored to memory at: [ 160.704329][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.710051][ T8728] __msan_chain_origin+0x50/0x90 [ 160.714986][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.720441][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.725141][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.729903][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.734751][ T8728] do_syscall_64+0xad/0x160 [ 160.739254][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.745130][ T8728] [ 160.747450][ T8728] Uninit was stored to memory at: [ 160.752499][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.758215][ T8728] __msan_chain_origin+0x50/0x90 [ 160.763153][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.768610][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.773282][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.778047][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.782898][ T8728] do_syscall_64+0xad/0x160 [ 160.787399][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.793276][ T8728] [ 160.795595][ T8728] Uninit was stored to memory at: [ 160.800619][ T8728] kmsan_internal_chain_origin+0xad/0x130 [ 160.806336][ T8728] __msan_chain_origin+0x50/0x90 [ 160.811273][ T8728] __copy_msghdr_from_user+0x4e1/0xc20 [ 160.816726][ T8728] __sys_sendmmsg+0x635/0xf70 [ 160.821402][ T8728] __se_sys_sendmmsg+0xbd/0xe0 [ 160.826166][ T8728] __x64_sys_sendmmsg+0x56/0x70 [ 160.831022][ T8728] do_syscall_64+0xad/0x160 [ 160.835534][ T8728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 160.841412][ T8728] [ 160.843733][ T8728] Local variable ----msg_sys@__sys_sendmmsg created at: [ 160.850675][ T8728] __sys_sendmmsg+0xbb/0xf70 [ 160.855349][ T8728] __sys_sendmmsg+0xbb/0xf70 [ 162.224126][ T8728] bond0: (slave bond_slave_1): Releasing backup interface [ 162.939428][ T8728] device bond_slave_1 left promiscuous mode [ 163.440243][ T8728] bridge0: port 18(bond_slave_1) entered blocking state [ 163.447623][ T8728] bridge0: port 18(bond_slave_1) entered disabled state [ 163.458037][ T8728] device bond_slave_1 entered promiscuous mode [ 163.858513][ T3378] bridge0: port 7(bond0) entered disabled state [ 163.921200][ C0] not chained 70000 origins [ 163.925787][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.8.0-rc5-syzkaller #0 [ 163.933875][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.944719][ C0] Call Trace: [ 163.948021][ C0] dump_stack+0x21c/0x280 [ 163.952448][ C0] kmsan_internal_chain_origin+0x6f/0x130 [ 163.958343][ C0] ? kmsan_internal_chain_origin+0xad/0x130 [ 163.964242][ C0] ? __msan_chain_origin+0x50/0x90 [ 163.969450][ C0] ? __skb_clone+0x8a6/0x9b0 [ 163.974043][ C0] ? skb_clone+0x491/0x6b0 [ 163.978459][ C0] ? br_flood+0xc45/0x1130 [ 163.982884][ C0] ? br_handle_frame_finish+0x1e35/0x2020 [ 163.988603][ C0] ? br_nf_hook_thresh+0x576/0x700 [ 163.993717][ C0] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 163.999955][ C0] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.005501][ C0] ? br_nf_pre_routing+0xfe7/0x25a0 [ 164.010698][ C0] ? br_handle_frame+0xc83/0x25a0 [ 164.015753][ C0] ? __netif_receive_skb_core+0x3710/0x6520 [ 164.021678][ C0] ? __netif_receive_skb+0x164/0x670 [ 164.026963][ C0] ? process_backlog+0x50d/0xba0 [ 164.031900][ C0] ? napi_poll+0x43b/0xfd0 [ 164.036315][ C0] ? net_rx_action+0x35c/0xd40 [ 164.041080][ C0] ? __do_softirq+0x2ea/0x7f5 [ 164.045758][ C0] ? run_ksoftirqd+0x25/0x40 [ 164.050353][ C0] ? smpboot_thread_fn+0x5f5/0xa90 [ 164.055465][ C0] ? kthread+0x551/0x590 [ 164.059708][ C0] ? ret_from_fork+0x1f/0x30 [ 164.064298][ C0] ? __msan_chain_origin+0x50/0x90 [ 164.069413][ C0] ? skb_clone+0x515/0x6b0 [ 164.073823][ C0] ? br_flood+0xc45/0x1130 [ 164.078260][ C0] ? br_handle_frame_finish+0x1e35/0x2020 [ 164.083978][ C0] ? br_nf_hook_thresh+0x576/0x700 [ 164.089089][ C0] ? br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.095347][ C0] ? br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.100909][ C0] ? br_nf_pre_routing+0xfe7/0x25a0 [ 164.106119][ C0] ? br_handle_frame+0xc83/0x25a0 [ 164.111150][ C0] ? __netif_receive_skb_core+0x3710/0x6520 [ 164.117054][ C0] ? __netif_receive_skb+0x164/0x670 [ 164.122348][ C0] ? process_backlog+0x50d/0xba0 [ 164.127300][ C0] ? napi_poll+0x43b/0xfd0 [ 164.131724][ C0] ? net_rx_action+0x35c/0xd40 [ 164.136499][ C0] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 164.142667][ C0] ? kmsan_get_metadata+0x116/0x180 [ 164.147871][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 164.153419][ C0] ? kmsan_get_metadata+0x116/0x180 [ 164.158622][ C0] __msan_chain_origin+0x50/0x90 [ 164.163567][ C0] __skb_clone+0x978/0x9b0 [ 164.168007][ C0] skb_clone+0x491/0x6b0 [ 164.172257][ C0] br_flood+0xc45/0x1130 [ 164.176522][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.182082][ C0] ? brport_get_ownership+0xf0/0xf0 [ 164.187288][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.192247][ C0] ? brport_get_ownership+0xf0/0xf0 [ 164.197451][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.203538][ C0] ? brport_get_ownership+0xf0/0xf0 [ 164.208760][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.214146][ C0] ? br_nf_pre_routing_ipv6+0x8a0/0x8a0 [ 164.219698][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.224771][ C0] ? kmsan_get_metadata+0x116/0x180 [ 164.229978][ C0] ? brnf_device_event+0x4b0/0x4b0 [ 164.235173][ C0] br_handle_frame+0xc83/0x25a0 [ 164.240037][ C0] ? brport_get_ownership+0xf0/0xf0 [ 164.245239][ C0] ? br_handle_frame_dummy+0x30/0x30 [ 164.250533][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.256280][ C0] ? kmsan_get_metadata+0x116/0x180 [ 164.261487][ C0] __netif_receive_skb+0x164/0x670 [ 164.266602][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 164.272163][ C0] process_backlog+0x50d/0xba0 [ 164.276932][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 164.282749][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 164.288036][ C0] napi_poll+0x43b/0xfd0 [ 164.292288][ C0] ? kmsan_get_metadata+0x116/0x180 [ 164.297498][ C0] net_rx_action+0x35c/0xd40 [ 164.302103][ C0] ? net_tx_action+0xdc0/0xdc0 [ 164.306871][ C0] __do_softirq+0x2ea/0x7f5 [ 164.311388][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 164.316593][ C0] run_ksoftirqd+0x25/0x40 [ 164.321013][ C0] smpboot_thread_fn+0x5f5/0xa90 [ 164.325966][ C0] kthread+0x551/0x590 [ 164.330037][ C0] ? cpu_report_death+0x1a0/0x1a0 [ 164.335063][ C0] ? kthread_blkcg+0x110/0x110 [ 164.339830][ C0] ret_from_fork+0x1f/0x30 [ 164.344247][ C0] Uninit was stored to memory at: [ 164.349275][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.354990][ C0] __msan_chain_origin+0x50/0x90 [ 164.359926][ C0] __skb_clone+0x978/0x9b0 [ 164.364342][ C0] skb_clone+0x491/0x6b0 [ 164.368586][ C0] br_flood+0xc45/0x1130 [ 164.372824][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.378373][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.383316][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.389388][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.394792][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.399819][ C0] br_handle_frame+0xc83/0x25a0 [ 164.404676][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.410403][ C0] __netif_receive_skb+0x164/0x670 [ 164.415521][ C0] process_backlog+0x50d/0xba0 [ 164.420380][ C0] napi_poll+0x43b/0xfd0 [ 164.424623][ C0] net_rx_action+0x35c/0xd40 [ 164.429213][ C0] __do_softirq+0x2ea/0x7f5 [ 164.433701][ C0] [ 164.436018][ C0] Uninit was stored to memory at: [ 164.441051][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.446776][ C0] __msan_chain_origin+0x50/0x90 [ 164.451720][ C0] __skb_clone+0x978/0x9b0 [ 164.456144][ C0] skb_clone+0x491/0x6b0 [ 164.460389][ C0] br_flood+0xc45/0x1130 [ 164.464719][ C0] br_handle_frame_finish+0x1e35/0x2020 executing program [ 164.470271][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.475216][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.481307][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.486700][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.491724][ C0] br_handle_frame+0xc83/0x25a0 [ 164.496579][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.502306][ C0] __netif_receive_skb+0x164/0x670 [ 164.507421][ C0] process_backlog+0x50d/0xba0 [ 164.512185][ C0] napi_poll+0x43b/0xfd0 [ 164.516426][ C0] net_rx_action+0x35c/0xd40 [ 164.521016][ C0] __do_softirq+0x2ea/0x7f5 [ 164.525506][ C0] [ 164.527827][ C0] Uninit was stored to memory at: [ 164.532852][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.538572][ C0] __msan_chain_origin+0x50/0x90 [ 164.543513][ C0] __skb_clone+0x978/0x9b0 [ 164.547933][ C0] skb_clone+0x491/0x6b0 [ 164.552174][ C0] br_flood+0xc45/0x1130 [ 164.556415][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.561958][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.566909][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.573003][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.578379][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.583406][ C0] br_handle_frame+0xc83/0x25a0 [ 164.588275][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.593995][ C0] __netif_receive_skb+0x164/0x670 [ 164.599110][ C0] process_backlog+0x50d/0xba0 [ 164.603961][ C0] napi_poll+0x43b/0xfd0 [ 164.608205][ C0] net_rx_action+0x35c/0xd40 [ 164.612792][ C0] __do_softirq+0x2ea/0x7f5 [ 164.617306][ C0] [ 164.619624][ C0] Uninit was stored to memory at: [ 164.624653][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.630463][ C0] __msan_chain_origin+0x50/0x90 [ 164.635413][ C0] __skb_clone+0x978/0x9b0 [ 164.639835][ C0] skb_clone+0x491/0x6b0 [ 164.644080][ C0] br_flood+0xc45/0x1130 [ 164.648325][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.653871][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.658812][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.664913][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.670386][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.675410][ C0] br_handle_frame+0xc83/0x25a0 [ 164.680267][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.685991][ C0] __netif_receive_skb+0x164/0x670 [ 164.691110][ C0] process_backlog+0x50d/0xba0 [ 164.695993][ C0] napi_poll+0x43b/0xfd0 [ 164.700328][ C0] net_rx_action+0x35c/0xd40 [ 164.704919][ C0] __do_softirq+0x2ea/0x7f5 [ 164.709406][ C0] [ 164.711728][ C0] Uninit was stored to memory at: [ 164.716753][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.722484][ C0] __msan_chain_origin+0x50/0x90 [ 164.727428][ C0] __skb_clone+0x978/0x9b0 [ 164.731849][ C0] skb_clone+0x491/0x6b0 [ 164.736089][ C0] br_flood+0xc45/0x1130 [ 164.740330][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.745876][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.750816][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.756885][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.762276][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.767392][ C0] br_handle_frame+0xc83/0x25a0 [ 164.772255][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.777976][ C0] __netif_receive_skb+0x164/0x670 [ 164.783087][ C0] process_backlog+0x50d/0xba0 [ 164.787851][ C0] napi_poll+0x43b/0xfd0 [ 164.792095][ C0] net_rx_action+0x35c/0xd40 [ 164.796686][ C0] __do_softirq+0x2ea/0x7f5 [ 164.801183][ C0] [ 164.803527][ C0] Uninit was stored to memory at: [ 164.808554][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.814272][ C0] __msan_chain_origin+0x50/0x90 [ 164.819211][ C0] __skb_clone+0x8a6/0x9b0 [ 164.823629][ C0] skb_clone+0x491/0x6b0 [ 164.827868][ C0] br_flood+0xeae/0x1130 [ 164.832106][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.837653][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.842601][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.848676][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.854082][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.859105][ C0] br_handle_frame+0xc83/0x25a0 [ 164.863977][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.869699][ C0] __netif_receive_skb+0x164/0x670 [ 164.874810][ C0] process_backlog+0x50d/0xba0 [ 164.879591][ C0] napi_poll+0x43b/0xfd0 [ 164.883833][ C0] net_rx_action+0x35c/0xd40 [ 164.888432][ C0] __do_softirq+0x2ea/0x7f5 [ 164.892921][ C0] [ 164.895239][ C0] Uninit was stored to memory at: [ 164.900267][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 164.906001][ C0] __msan_chain_origin+0x50/0x90 [ 164.910938][ C0] skb_clone+0x515/0x6b0 [ 164.915177][ C0] br_flood+0xeae/0x1130 [ 164.919425][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 164.924977][ C0] br_nf_hook_thresh+0x576/0x700 [ 164.929916][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 164.935981][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 164.941353][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 164.946374][ C0] br_handle_frame+0xc83/0x25a0 [ 164.951352][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 164.957080][ C0] __netif_receive_skb+0x164/0x670 [ 164.962206][ C0] process_backlog+0x50d/0xba0 [ 164.966975][ C0] napi_poll+0x43b/0xfd0 [ 164.971228][ C0] net_rx_action+0x35c/0xd40 [ 164.975833][ C0] __do_softirq+0x2ea/0x7f5 [ 164.980340][ C0] [ 164.982659][ C0] Uninit was created at: [ 164.986904][ C0] kmsan_internal_poison_shadow+0x66/0xd0 [ 164.992631][ C0] kmsan_slab_alloc+0x8a/0xe0 [ 164.997314][ C0] kmem_cache_alloc+0x813/0xc50 [ 165.002164][ C0] skb_clone+0x389/0x6b0 [ 165.006406][ C0] br_flood+0xeae/0x1130 [ 165.010648][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 165.016198][ C0] br_nf_hook_thresh+0x576/0x700 [ 165.021141][ C0] br_nf_pre_routing_finish_ipv6+0xf91/0x1110 [ 165.027227][ C0] br_nf_pre_routing_ipv6+0x7e2/0x8a0 [ 165.032601][ C0] br_nf_pre_routing+0xfe7/0x25a0 [ 165.037628][ C0] br_handle_frame+0xc83/0x25a0 [ 165.042487][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 165.048213][ C0] __netif_receive_skb+0x164/0x670 [ 165.053329][ C0] process_backlog+0x50d/0xba0 [ 165.058145][ C0] napi_poll+0x43b/0xfd0 [ 165.062396][ C0] net_rx_action+0x35c/0xd40 [ 165.066999][ C0] __do_softirq+0x2ea/0x7f5 [ 165.075842][ C0] net_ratelimit: 611 callbacks suppressed [ 165.075899][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.101007][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.118358][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.135583][ C0] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.153687][ C0] bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.171890][ C0] bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.190091][ C0] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.208206][ C0] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.225360][ C0] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.242709][ C0] bridge0: received packet on veth1_to_bond with own address as source address (addr:aa:aa:aa:aa:aa:19, vlan:0) [ 165.285367][ T3378] bridge0: port 17(veth1_to_bond) entered disabled state [ 165.295358][ T8729] bridge0: port 19(veth0_to_team) entered blocking state [ 165.302727][ T8729] bridge0: port 19(veth0_to_team) entered disabled state [ 165.312021][ T8729] device veth0_to_team entered promiscuous mode [ 165.319095][ T8729] bridge0: adding interface veth0_to_team with same address as a received packet (addr:aa:aa:aa:aa:aa:1f, vlan:0) [ 165.332102][ T8729] bridge0: port 19(veth0_to_team) entered blocking state [ 165.339419][ T8729] bridge0: port 19(veth0_to_team) entered forwarding state executing program [ 165.866215][ T8730] device team_slave_0 left promiscuous mode [ 166.582854][ T8730] team0: Port device team_slave_0 removed [ 166.590593][ T8730] bridge0: port 20(team_slave_0) entered blocking state [ 166.597958][ T8730] bridge0: port 20(team_slave_0) entered disabled state [ 166.607167][ T8730] device team_slave_0 entered promiscuous mode executing program [ 167.125973][ T8690] bridge0: port 19(veth0_to_team) entered disabled state [ 167.306063][ T8731] bridge0: port 21(veth1_to_team) entered blocking state [ 167.313468][ T8731] bridge0: port 21(veth1_to_team) entered disabled state [ 167.323170][ T8731] device veth1_to_team entered promiscuous mode [ 167.330428][ T8731] bridge0: adding interface veth1_to_team with same address as a received packet (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 167.343660][ T8731] bridge0: port 21(veth1_to_team) entered blocking state [ 167.351044][ T8731] bridge0: port 21(veth1_to_team) entered forwarding state executing program [ 167.781487][ T8732] not chained 80000 origins [ 167.786043][ T8732] CPU: 0 PID: 8732 Comm: syz-executor405 Not tainted 5.8.0-rc5-syzkaller #0 [ 167.794719][ T8732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.804779][ T8732] Call Trace: [ 167.808100][ T8732] dump_stack+0x21c/0x280 [ 167.812458][ T8732] kmsan_internal_chain_origin+0x6f/0x130 [ 167.818311][ T8732] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 167.824397][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.829649][ T8732] ? kmsan_set_origin_checked+0x95/0xf0 [ 167.835212][ T8732] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 167.841301][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.846505][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.851713][ T8732] ? kmsan_set_origin_checked+0x95/0xf0 [ 167.857276][ T8732] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 167.863361][ T8732] ? _copy_from_user+0x201/0x310 [ 167.868752][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.873955][ T8732] __msan_chain_origin+0x50/0x90 [ 167.878908][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 167.884403][ T8732] ? __msan_get_context_state+0x9/0x20 [ 167.889889][ T8732] __sys_sendmmsg+0x635/0xf70 [ 167.894597][ T8732] ? alloc_file_pseudo+0x4a7/0x4e0 [ 167.900093][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.905298][ T8732] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 167.911114][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.916334][ T8732] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 167.922208][ T8732] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 167.928374][ T8732] ? fd_install+0x16e/0x3f0 [ 167.932940][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.938157][ T8732] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 167.943977][ T8732] ? kmsan_get_metadata+0x116/0x180 [ 167.949184][ T8732] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 167.955010][ T8732] ? __prepare_exit_to_usermode+0x16c/0x560 [ 167.961060][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 167.965843][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 167.970709][ T8732] do_syscall_64+0xad/0x160 [ 167.975223][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 167.981141][ T8732] RIP: 0033:0x444329 [ 167.985036][ T8732] Code: Bad RIP value. [ 167.989099][ T8732] RSP: 002b:00007ffc37c2f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 167.997507][ T8732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444329 [ 168.005476][ T8732] RDX: 010efe10675dec09 RSI: 0000000020000200 RDI: 0000000000000004 [ 168.013544][ T8732] RBP: 00007ffc37c2f480 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 168.021519][ T8732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000028b2c [ 168.029497][ T8732] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 168.037477][ T8732] Uninit was stored to memory at: [ 168.042511][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.048236][ T8732] __msan_chain_origin+0x50/0x90 [ 168.053170][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.058629][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.063310][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.068073][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.073059][ T8732] do_syscall_64+0xad/0x160 [ 168.077568][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.083450][ T8732] [ 168.085777][ T8732] Uninit was stored to memory at: [ 168.090810][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.096533][ T8732] __msan_chain_origin+0x50/0x90 [ 168.101477][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.106937][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.111615][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.116378][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.121256][ T8732] do_syscall_64+0xad/0x160 [ 168.125768][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.131647][ T8732] [ 168.133973][ T8732] Uninit was stored to memory at: [ 168.139009][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.144739][ T8732] __msan_chain_origin+0x50/0x90 [ 168.149683][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.155142][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.159821][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.164583][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.169444][ T8732] do_syscall_64+0xad/0x160 [ 168.173945][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.179823][ T8732] [ 168.182146][ T8732] Uninit was stored to memory at: [ 168.187170][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.192886][ T8732] __msan_chain_origin+0x50/0x90 [ 168.197832][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.203288][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.207963][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.212727][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.217589][ T8732] do_syscall_64+0xad/0x160 [ 168.222091][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.229011][ T8732] [ 168.231331][ T8732] Uninit was stored to memory at: [ 168.236364][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.242084][ T8732] __msan_chain_origin+0x50/0x90 [ 168.247023][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.252480][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.257152][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.261915][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.266781][ T8732] do_syscall_64+0xad/0x160 [ 168.271285][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.277162][ T8732] [ 168.279489][ T8732] Uninit was stored to memory at: [ 168.284523][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.290239][ T8732] __msan_chain_origin+0x50/0x90 [ 168.295175][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.300632][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.305308][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.310068][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.314923][ T8732] do_syscall_64+0xad/0x160 [ 168.319429][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.325310][ T8732] [ 168.327632][ T8732] Uninit was stored to memory at: [ 168.332661][ T8732] kmsan_internal_chain_origin+0xad/0x130 [ 168.338391][ T8732] __msan_chain_origin+0x50/0x90 [ 168.343328][ T8732] __copy_msghdr_from_user+0x4e1/0xc20 [ 168.348791][ T8732] __sys_sendmmsg+0x635/0xf70 [ 168.353465][ T8732] __se_sys_sendmmsg+0xbd/0xe0 [ 168.358236][ T8732] __x64_sys_sendmmsg+0x56/0x70 [ 168.363089][ T8732] do_syscall_64+0xad/0x160 [ 168.367595][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.373476][ T8732] [ 168.375799][ T8732] Local variable ----msg_sys@__sys_sendmmsg created at: [ 168.382732][ T8732] __sys_sendmmsg+0xbb/0xf70 [ 168.387322][ T8732] __sys_sendmmsg+0xbb/0xf70 [ 169.342437][ T8732] device team_slave_1 left promiscuous mode [ 170.078194][ T8732] team0: Port device team_slave_1 removed [ 170.081143][ C1] net_ratelimit: 972 callbacks suppressed [ 170.081191][ C1] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.085629][ T8732] bridge0: port 22(team_slave_1) entered blocking state [ 170.094836][ C1] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.101528][ T8732] bridge0: port 22(team_slave_1) entered disabled state [ 170.113234][ C1] bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.123099][ T8732] device team_slave_1 entered promiscuous mode [ 170.132859][ C1] bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.163968][ C1] bridge0: received packet on veth0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.180950][ C1] bridge0: received packet on veth1 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.197917][ C1] bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.215661][ C1] bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.233390][ C1] bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) [ 170.251168][ C1] bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0) executing program [ 170.678014][ T8690] bridge0: port 21(veth1_to_team) entered disabled state [ 170.700725][ T8690] bridge0: port 8(team0) entered disabled state [ 170.905891][ T8733] bridge0: port 23(veth0_to_batadv) entered blocking state [ 170.913486][ T8733] bridge0: port 23(veth0_to_batadv) entered disabled state [ 170.923200][ T8733] device veth0_to_batadv entered promiscuous mode [ 170.931252][ T8733] bridge0: port 23(veth0_to_batadv) entered blocking state [ 170.938781][ T8733] bridge0: port 23(veth0_to_batadv) entered forwarding state executing program [ 171.426027][ T8734] not chained 90000 origins [ 171.430588][ T8734] CPU: 0 PID: 8734 Comm: syz-executor405 Not tainted 5.8.0-rc5-syzkaller #0 [ 171.439344][ T8734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.449409][ T8734] Call Trace: [ 171.452717][ T8734] dump_stack+0x21c/0x280 [ 171.457059][ T8734] kmsan_internal_chain_origin+0x6f/0x130 [ 171.462870][ T8734] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.468944][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.474145][ T8734] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.479730][ T8734] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.485825][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.491030][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.496238][ T8734] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.501796][ T8734] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.507874][ T8734] ? _copy_from_user+0x201/0x310 [ 171.512819][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.518023][ T8734] __msan_chain_origin+0x50/0x90 [ 171.522966][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.528440][ T8734] ? __msan_get_context_state+0x9/0x20 [ 171.533908][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.538613][ T8734] ? alloc_file_pseudo+0x4a7/0x4e0 [ 171.543727][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.548936][ T8734] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.554743][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.559947][ T8734] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.565757][ T8734] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 171.571908][ T8734] ? fd_install+0x16e/0x3f0 [ 171.576421][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.581619][ T8734] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.587431][ T8734] ? kmsan_get_metadata+0x116/0x180 [ 171.592634][ T8734] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.598447][ T8734] ? __prepare_exit_to_usermode+0x16c/0x560 [ 171.604343][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.609114][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.614068][ T8734] do_syscall_64+0xad/0x160 [ 171.618585][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.624474][ T8734] RIP: 0033:0x444329 [ 171.628355][ T8734] Code: Bad RIP value. [ 171.632422][ T8734] RSP: 002b:00007ffc37c2f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 171.640931][ T8734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444329 [ 171.648906][ T8734] RDX: 010efe10675dec09 RSI: 0000000020000200 RDI: 0000000000000004 [ 171.656876][ T8734] RBP: 00007ffc37c2f480 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 171.664843][ T8734] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000002992d [ 171.672813][ T8734] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 171.680792][ T8734] Uninit was stored to memory at: [ 171.685824][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.691542][ T8734] __msan_chain_origin+0x50/0x90 [ 171.696476][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.701950][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.706624][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.711393][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.716242][ T8734] do_syscall_64+0xad/0x160 [ 171.720742][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.726621][ T8734] [ 171.728968][ T8734] Uninit was stored to memory at: [ 171.733998][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.739716][ T8734] __msan_chain_origin+0x50/0x90 [ 171.744657][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.750112][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.754786][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.759546][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.764399][ T8734] do_syscall_64+0xad/0x160 [ 171.768903][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.774779][ T8734] [ 171.777107][ T8734] Uninit was stored to memory at: [ 171.782132][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.787851][ T8734] __msan_chain_origin+0x50/0x90 [ 171.792787][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.798244][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.802925][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.807685][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.812538][ T8734] do_syscall_64+0xad/0x160 [ 171.817161][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.823036][ T8734] [ 171.825353][ T8734] Uninit was stored to memory at: [ 171.830384][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.836101][ T8734] __msan_chain_origin+0x50/0x90 [ 171.841042][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.846499][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.851173][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.855931][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.860783][ T8734] do_syscall_64+0xad/0x160 [ 171.865287][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.871165][ T8734] [ 171.873508][ T8734] Uninit was stored to memory at: [ 171.878532][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.884248][ T8734] __msan_chain_origin+0x50/0x90 [ 171.889182][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.894637][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.899314][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.904075][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.908924][ T8734] do_syscall_64+0xad/0x160 [ 171.913428][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.919305][ T8734] [ 171.921623][ T8734] Uninit was stored to memory at: [ 171.926649][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.932370][ T8734] __msan_chain_origin+0x50/0x90 [ 171.937309][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.942764][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.947439][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 171.952202][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 171.957049][ T8734] do_syscall_64+0xad/0x160 [ 171.961565][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.967452][ T8734] [ 171.970300][ T8734] Uninit was stored to memory at: [ 171.975334][ T8734] kmsan_internal_chain_origin+0xad/0x130 [ 171.981060][ T8734] __msan_chain_origin+0x50/0x90 [ 171.985997][ T8734] __copy_msghdr_from_user+0x4e1/0xc20 [ 171.991455][ T8734] __sys_sendmmsg+0x635/0xf70 [ 171.996130][ T8734] __se_sys_sendmmsg+0xbd/0xe0 [ 172.000891][ T8734] __x64_sys_sendmmsg+0x56/0x70 [ 172.005745][ T8734] do_syscall_64+0xad/0x160 [ 172.010249][ T8734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.016126][ T8734] [ 172.018462][ T8734] Local variable ----msg_sys@__sys_sendmmsg created at: [ 172.025398][ T8734] __sys_sendmmsg+0xbb/0xf70 [ 172.029988][ T8734] __sys_sendmmsg+0xbb/0xf70 [ 172.802031][ C1] ===================================================== [ 172.809022][ C1] BUG: KMSAN: uninit-value in kmsan_check_skb+0x3c/0x240 [ 172.816050][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.8.0-rc5-syzkaller #0 [ 172.824193][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.834331][ C1] Call Trace: [ 172.834944][ T8734] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 172.837630][ C1] dump_stack+0x21c/0x280 [ 172.837656][ C1] kmsan_report+0xf7/0x1e0 [ 172.837681][ C1] kmsan_internal_check_memory+0x238/0x3d0 [ 172.837702][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 172.837759][ C1] kmsan_check_skb+0x3c/0x240 [ 172.845150][ T8734] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 172.849430][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 172.849454][ C1] pfifo_fast_dequeue+0x1098/0x1210 [ 172.849488][ C1] ? pfifo_fast_enqueue+0x9e0/0x9e0 [ 172.849506][ C1] dequeue_skb+0x492/0x3760 [ 172.849524][ C1] ? arch_stack_walk+0x346/0x3d0 [ 172.849546][ C1] ? kmsan_internal_set_origin+0x75/0xb0 [ 172.849571][ C1] ? __qdisc_run+0xc8/0x490 [ 172.849594][ C1] __qdisc_run+0x101/0x490 [ 172.849704][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 172.923252][ C1] __dev_queue_xmit+0x2cfa/0x4470 [ 172.928286][ C1] ? ret_from_fork+0x1f/0x30 [ 172.932880][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 172.938952][ C1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 172.945005][ C1] dev_queue_xmit+0x4b/0x60 [ 172.949497][ C1] br_dev_queue_push_xmit+0xba8/0xc90 [ 172.954941][ C1] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 172.961020][ C1] ? nf_hook_slow+0x3ee/0x460 [ 172.965790][ C1] __br_forward+0xd73/0xec0 [ 172.970309][ C1] ? fdb_add_hw_addr+0x5a0/0x5a0 [ 172.975252][ C1] br_flood+0xcbe/0x1130 [ 172.979501][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 172.985046][ C1] br_handle_frame+0x12c9/0x25a0 [ 172.989995][ C1] ? brport_get_ownership+0xf0/0xf0 [ 172.995176][ C1] ? br_handle_frame_dummy+0x30/0x30 [ 173.000448][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 173.006179][ C1] ? kmsan_get_metadata+0x116/0x180 [ 173.011383][ C1] __netif_receive_skb+0x164/0x670 [ 173.016491][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 173.022031][ C1] process_backlog+0x50d/0xba0 [ 173.026809][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 173.032607][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 173.037888][ C1] napi_poll+0x43b/0xfd0 [ 173.042130][ C1] ? kmsan_get_metadata+0x116/0x180 [ 173.047492][ C1] net_rx_action+0x35c/0xd40 [ 173.052090][ C1] ? net_tx_action+0xdc0/0xdc0 [ 173.057186][ C1] __do_softirq+0x2ea/0x7f5 [ 173.061687][ C1] ? ksoftirqd_should_run+0x30/0x30 [ 173.066868][ C1] run_ksoftirqd+0x25/0x40 [ 173.071275][ C1] smpboot_thread_fn+0x5f5/0xa90 [ 173.076296][ C1] kthread+0x551/0x590 [ 173.080435][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 173.085463][ C1] ? kthread_blkcg+0x110/0x110 [ 173.090212][ C1] ret_from_fork+0x1f/0x30 [ 173.094610][ C1] [ 173.096945][ C1] Uninit was stored to memory at: [ 173.101955][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 173.107657][ C1] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 173.113620][ C1] kmsan_memcpy_metadata+0xb/0x10 [ 173.118625][ C1] __msan_memcpy+0x43/0x50 [ 173.123024][ C1] pskb_expand_head+0x3fd/0x1e30 [ 173.127967][ C1] batadv_skb_head_push+0x2cc/0x410 [ 173.133155][ C1] batadv_send_skb_packet+0x1ed/0x970 [ 173.138518][ C1] batadv_send_broadcast_skb+0x76/0x90 [ 173.143969][ C1] batadv_iv_send_outstanding_bat_ogm_packet+0xb2e/0xef0 [ 173.150990][ C1] process_one_work+0x1688/0x2140 [ 173.156521][ C1] worker_thread+0x10bc/0x2730 [ 173.161267][ C1] kthread+0x551/0x590 [ 173.165322][ C1] ret_from_fork+0x1f/0x30 [ 173.169711][ C1] [ 173.172026][ C1] Uninit was created at: [ 173.176250][ C1] kmsan_save_stack_with_flags+0x3c/0x90 [ 173.181866][ C1] kmsan_alloc_page+0xc5/0x1a0 [ 173.186621][ C1] __alloc_pages_nodemask+0xdf0/0x1030 [ 173.192062][ C1] page_frag_alloc+0x35b/0x880 [ 173.196810][ C1] __netdev_alloc_skb+0xc3d/0xc90 [ 173.201833][ C1] batadv_iv_ogm_queue_add+0x13bf/0x1c60 [ 173.207450][ C1] batadv_iv_ogm_schedule+0xe3e/0x1660 [ 173.212893][ C1] batadv_iv_send_outstanding_bat_ogm_packet+0xd69/0xef0 [ 173.219899][ C1] process_one_work+0x1688/0x2140 [ 173.224907][ C1] worker_thread+0x10bc/0x2730 [ 173.229651][ C1] kthread+0x551/0x590 [ 173.233702][ C1] ret_from_fork+0x1f/0x30 [ 173.238197][ C1] [ 173.240509][ C1] Bytes 52-53 of 82 are uninitialized [ 173.245916][ C1] Memory access of size 82 starts at ffff8880b7e57040 [ 173.252824][ C1] ===================================================== [ 173.259734][ C1] Disabling lock debugging due to kernel taint [ 173.265896][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 173.265901][ C0] ===================================================== [ 173.265926][ C0] BUG: KMSAN: uninit-value in kmsan_check_skb+0x3c/0x240 [ 173.272585][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 173.296001][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.306211][ C1] Call Trace: [ 173.309492][ C1] dump_stack+0x21c/0x280 [ 173.313815][ C1] panic+0x4d7/0xef7 [ 173.317714][ C1] ? add_taint+0x17c/0x210 [ 173.322120][ C1] kmsan_report+0x1df/0x1e0 [ 173.327150][ C1] kmsan_internal_check_memory+0x238/0x3d0 [ 173.332956][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 173.339017][ C1] kmsan_check_skb+0x3c/0x240 [ 173.343680][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 173.349477][ C1] pfifo_fast_dequeue+0x1098/0x1210 [ 173.354677][ C1] ? pfifo_fast_enqueue+0x9e0/0x9e0 [ 173.359862][ C1] dequeue_skb+0x492/0x3760 [ 173.364355][ C1] ? arch_stack_walk+0x346/0x3d0 [ 173.369646][ C1] ? kmsan_internal_set_origin+0x75/0xb0 [ 173.375275][ C1] ? __qdisc_run+0xc8/0x490 [ 173.379769][ C1] __qdisc_run+0x101/0x490 [ 173.384170][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 173.389717][ C1] __dev_queue_xmit+0x2cfa/0x4470 [ 173.394731][ C1] ? ret_from_fork+0x1f/0x30 [ 173.399311][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 173.405372][ C1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 173.411888][ C1] dev_queue_xmit+0x4b/0x60 [ 173.416380][ C1] br_dev_queue_push_xmit+0xba8/0xc90 [ 173.421758][ C1] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 173.427812][ C1] ? nf_hook_slow+0x3ee/0x460 [ 173.432498][ C1] __br_forward+0xd73/0xec0 [ 173.437015][ C1] ? fdb_add_hw_addr+0x5a0/0x5a0 [ 173.441938][ C1] br_flood+0xcbe/0x1130 [ 173.446183][ C1] br_handle_frame_finish+0x1e35/0x2020 [ 173.451910][ C1] br_handle_frame+0x12c9/0x25a0 [ 173.456843][ C1] ? brport_get_ownership+0xf0/0xf0 [ 173.462116][ C1] ? br_handle_frame_dummy+0x30/0x30 [ 173.467389][ C1] __netif_receive_skb_core+0x3710/0x6520 [ 173.473113][ C1] ? kmsan_get_metadata+0x116/0x180 [ 173.478405][ C1] __netif_receive_skb+0x164/0x670 [ 173.483510][ C1] ? kmsan_set_origin_checked+0x95/0xf0 [ 173.489049][ C1] process_backlog+0x50d/0xba0 [ 173.493811][ C1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 173.499609][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 173.504881][ C1] napi_poll+0x43b/0xfd0 [ 173.509124][ C1] ? kmsan_get_metadata+0x116/0x180 [ 173.514314][ C1] net_rx_action+0x35c/0xd40 [ 173.518903][ C1] ? net_tx_action+0xdc0/0xdc0 [ 173.523653][ C1] __do_softirq+0x2ea/0x7f5 [ 173.528502][ C1] ? ksoftirqd_should_run+0x30/0x30 [ 173.533689][ C1] run_ksoftirqd+0x25/0x40 [ 173.538209][ C1] smpboot_thread_fn+0x5f5/0xa90 [ 173.543148][ C1] kthread+0x551/0x590 [ 173.547204][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 173.552578][ C1] ? kthread_blkcg+0x110/0x110 [ 173.557331][ C1] ret_from_fork+0x1f/0x30 [ 173.561770][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 173.571299][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.581334][ C0] Call Trace: [ 173.584635][ C0] dump_stack+0x21c/0x280 [ 173.588956][ C0] kmsan_report+0xf7/0x1e0 [ 173.593366][ C0] kmsan_internal_check_memory+0x238/0x3d0 [ 173.599159][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 173.605236][ C0] kmsan_check_skb+0x3c/0x240 [ 173.610424][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 173.616223][ C0] pfifo_fast_dequeue+0x1098/0x1210 [ 173.621425][ C0] ? pfifo_fast_enqueue+0x9e0/0x9e0 [ 173.626611][ C0] dequeue_skb+0x492/0x3760 [ 173.631101][ C0] ? arch_stack_walk+0x346/0x3d0 [ 173.636029][ C0] ? kmsan_internal_set_origin+0x75/0xb0 [ 173.641684][ C0] ? __qdisc_run+0xc8/0x490 [ 173.646178][ C0] __qdisc_run+0x101/0x490 [ 173.650610][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 173.656165][ C0] __dev_queue_xmit+0x2cfa/0x4470 [ 173.661187][ C0] ? ret_from_fork+0x1f/0x30 [ 173.665779][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 173.671866][ C0] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 173.677930][ C0] dev_queue_xmit+0x4b/0x60 [ 173.682431][ C0] br_dev_queue_push_xmit+0xba8/0xc90 [ 173.687795][ C0] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 173.693856][ C0] ? nf_hook_slow+0x3ee/0x460 [ 173.698530][ C0] __br_forward+0xd73/0xec0 [ 173.703296][ C0] ? fdb_add_hw_addr+0x5a0/0x5a0 [ 173.708221][ C0] br_flood+0xcbe/0x1130 [ 173.712471][ C0] br_handle_frame_finish+0x1e35/0x2020 [ 173.718031][ C0] br_handle_frame+0x12c9/0x25a0 [ 173.722983][ C0] ? brport_get_ownership+0xf0/0xf0 [ 173.728180][ C0] ? br_handle_frame_dummy+0x30/0x30 [ 173.733466][ C0] __netif_receive_skb_core+0x3710/0x6520 [ 173.739201][ C0] ? kmsan_get_metadata+0x116/0x180 [ 173.744395][ C0] __netif_receive_skb+0x164/0x670 [ 173.749502][ C0] ? kmsan_set_origin_checked+0x95/0xf0 [ 173.755050][ C0] process_backlog+0x50d/0xba0 [ 173.759821][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 173.765622][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 173.770909][ C0] napi_poll+0x43b/0xfd0 [ 173.775162][ C0] ? kmsan_get_metadata+0x116/0x180 [ 173.780358][ C0] net_rx_action+0x35c/0xd40 [ 173.784948][ C0] ? net_tx_action+0xdc0/0xdc0 [ 173.789700][ C0] __do_softirq+0x2ea/0x7f5 [ 173.794201][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 173.799387][ C0] run_ksoftirqd+0x25/0x40 [ 173.803808][ C0] smpboot_thread_fn+0x5f5/0xa90 [ 173.808744][ C0] kthread+0x551/0x590 [ 173.813061][ C0] ? cpu_report_death+0x1a0/0x1a0 [ 173.818075][ C0] ? kthread_blkcg+0x110/0x110 [ 173.822849][ C0] ret_from_fork+0x1f/0x30 [ 173.827280][ C0] [ 173.829590][ C0] Uninit was stored to memory at: [ 173.834739][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 173.840456][ C0] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 173.846440][ C0] kmsan_memcpy_metadata+0xb/0x10 [ 173.851459][ C0] __msan_memcpy+0x43/0x50 [ 173.855869][ C0] pskb_expand_head+0x3fd/0x1e30 [ 173.860800][ C0] batadv_skb_head_push+0x2cc/0x410 [ 173.865987][ C0] batadv_send_skb_packet+0x1ed/0x970 [ 173.871351][ C0] batadv_send_broadcast_skb+0x76/0x90 [ 173.876817][ C0] batadv_iv_send_outstanding_bat_ogm_packet+0xb2e/0xef0 [ 173.883843][ C0] process_one_work+0x1688/0x2140 [ 173.888854][ C0] worker_thread+0x10bc/0x2730 [ 173.893703][ C0] kthread+0x551/0x590 [ 173.897761][ C0] ret_from_fork+0x1f/0x30 [ 173.902154][ C0] [ 173.904465][ C0] Uninit was created at: [ 173.908694][ C0] kmsan_save_stack_with_flags+0x3c/0x90 [ 173.914330][ C0] kmsan_alloc_page+0xc5/0x1a0 [ 173.919090][ C0] __alloc_pages_nodemask+0xdf0/0x1030 [ 173.924545][ C0] page_frag_alloc+0x35b/0x880 [ 173.929306][ C0] __napi_alloc_skb+0x1cf/0xb10 [ 173.934238][ C0] page_to_skb+0x135/0x1730 [ 173.938747][ C0] receive_mergeable+0x107f/0x5ed0 [ 173.943935][ C0] receive_buf+0x2f0/0x2c70 [ 173.948425][ C0] virtnet_poll+0xa51/0x1d10 [ 173.953003][ C0] napi_poll+0x43b/0xfd0 [ 173.957577][ C0] net_rx_action+0x35c/0xd40 [ 173.962153][ C0] __do_softirq+0x2ea/0x7f5 [ 173.966636][ C0] [ 173.968980][ C0] Bytes 52-53 of 82 are uninitialized [ 173.974417][ C0] Memory access of size 82 starts at ffff8880b7f37840 [ 173.981158][ C0] ===================================================== [ 174.770754][ C1] Shutting down cpus with NMI [ 174.788960][ C1] Kernel Offset: disabled [ 174.793298][ C1] Rebooting in 86400 seconds..