Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts. 2018/12/01 06:39:47 parsed 1 programs 2018/12/01 06:40:05 executed programs: 0 syzkaller login: [ 125.631426] IPVS: ftp: loaded support on port[0] = 21 [ 125.656597] IPVS: ftp: loaded support on port[0] = 21 [ 125.668541] IPVS: ftp: loaded support on port[0] = 21 [ 125.670376] IPVS: ftp: loaded support on port[0] = 21 [ 125.691978] IPVS: ftp: loaded support on port[0] = 21 [ 125.743018] IPVS: ftp: loaded support on port[0] = 21 [ 128.624901] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.631391] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.640265] device bridge_slave_0 entered promiscuous mode [ 128.848423] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.855147] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.863817] device bridge_slave_0 entered promiscuous mode [ 128.880664] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.887383] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.895959] device bridge_slave_1 entered promiscuous mode [ 128.947978] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.954661] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.963400] device bridge_slave_0 entered promiscuous mode [ 129.038086] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.044659] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.053400] device bridge_slave_1 entered promiscuous mode [ 129.061328] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.067856] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.076385] device bridge_slave_0 entered promiscuous mode [ 129.166745] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.182314] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.188772] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.197657] device bridge_slave_1 entered promiscuous mode [ 129.219809] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.243987] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.250444] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.259221] device bridge_slave_0 entered promiscuous mode [ 129.267813] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.274390] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.282963] device bridge_slave_1 entered promiscuous mode [ 129.359244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 129.378156] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.402235] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.408694] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.417475] device bridge_slave_0 entered promiscuous mode [ 129.450719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.494474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 129.506228] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.512880] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.521384] device bridge_slave_1 entered promiscuous mode [ 129.554312] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 129.578547] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.585228] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.593946] device bridge_slave_1 entered promiscuous mode [ 129.658588] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 129.688587] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.777359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 129.886431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 129.927141] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.013306] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 130.122458] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.145245] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.215935] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.234596] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.300486] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 130.311048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 130.362868] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.407549] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.433093] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.529746] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.625802] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.718798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 130.726311] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.764468] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.779863] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 130.787222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.809061] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 130.816214] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.857962] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.958912] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 130.966208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.039214] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 131.046577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.076337] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.085038] team0: Port device team_slave_0 added [ 131.162822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 131.169880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.228447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 131.235781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.298477] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 131.306768] team0: Port device team_slave_1 added [ 131.359462] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.367575] team0: Port device team_slave_0 added [ 131.431289] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.442758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.451874] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.461859] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.470080] team0: Port device team_slave_0 added [ 131.516798] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 131.524892] team0: Port device team_slave_1 added [ 131.565789] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.574255] team0: Port device team_slave_0 added [ 131.668812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.683727] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 131.692195] team0: Port device team_slave_1 added [ 131.755589] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.762950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.772095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.791111] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 131.799365] team0: Port device team_slave_1 added [ 131.831997] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.840057] team0: Port device team_slave_0 added [ 131.868082] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 131.876754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.886030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 131.909648] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 131.932431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 131.941417] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.959575] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 131.967765] team0: Port device team_slave_0 added [ 132.009897] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 132.018128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.027199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.053352] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.072205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.081121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.091352] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 132.106642] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 132.115275] team0: Port device team_slave_1 added [ 132.143395] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.150436] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.159818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.168844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.178535] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.250437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.261907] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 132.269979] team0: Port device team_slave_1 added [ 132.287598] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 132.304023] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.313272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.322084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.331348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.354584] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 132.368138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 132.380021] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 132.474413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.484119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.492949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.502109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.510616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.519669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.537437] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 132.569293] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 132.589099] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 132.599601] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 132.656479] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.665962] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.674926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.684061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.692825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 132.701802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.710206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.719405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.728636] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.788343] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 132.802403] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 132.846038] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 132.944709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.953887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.962467] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.971438] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.980205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.989289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 133.030159] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 133.068724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 133.077923] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 133.113380] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 133.120989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 133.130187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 133.467489] ip (7276) used greatest stack depth: 53728 bytes left [ 134.255497] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.262104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.269080] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.275712] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.284673] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 134.294954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 134.661966] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.668470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.675512] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.682090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.690637] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 134.833255] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.839745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.846807] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.853358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.862206] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 134.968754] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.975406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.982429] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.988909] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.997389] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 135.231782] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.238274] bridge0: port 2(bridge_slave_1) entered forwarding state [ 135.245301] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.251853] bridge0: port 1(bridge_slave_0) entered forwarding state [ 135.260744] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 135.303512] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 135.311422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 135.319710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 135.327833] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 135.345717] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.352245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 135.359158] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.365782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 135.377270] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 136.332402] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 142.049038] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.063327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.329522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.545849] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.771198] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 142.824703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 142.857320] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.925198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.085600] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.216511] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.492123] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 143.498494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 143.506703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 143.563981] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.583055] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 143.589439] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 143.597514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 143.647332] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.815748] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 143.822422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 143.830434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 143.894986] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 143.901312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 143.909708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.216683] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.309227] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.315966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.324237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.337344] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.396585] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.403220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.411189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.475897] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.678849] 8021q: adding VLAN 0 to HW filter on device team0 [ 145.011293] 8021q: adding VLAN 0 to HW filter on device team0 [ 145.084202] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.653607] ================================================================== [ 148.661057] BUG: KMSAN: kernel-infoleak in _copy_to_user+0x19a/0x230 [ 148.667596] CPU: 1 PID: 8333 Comm: syz-executor1 Not tainted 4.20.0-rc3+ #101 [ 148.674888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.684259] Call Trace: [ 148.686876] dump_stack+0x32d/0x480 [ 148.690531] ? _copy_to_user+0x19a/0x230 [ 148.694670] ? attach_nobh_buffers+0x10/0x720 [ 148.699206] kmsan_report+0x12c/0x290 [ 148.703048] kmsan_internal_check_memory+0x32a/0xa50 [ 148.708190] ? __msan_get_context_state+0x9/0x20 [ 148.712998] kmsan_copy_to_user+0x78/0xd0 [ 148.717180] _copy_to_user+0x19a/0x230 [ 148.721122] sctp_getsockopt+0x14aa6/0x17740 [ 148.725634] ? aa_sk_perm+0x7ab/0x9e0 [ 148.729480] ? aa_sock_opt_perm+0x132/0x2b0 [ 148.733838] ? sctp_setsockopt+0x12770/0x12770 [ 148.738456] sock_common_getsockopt+0x13f/0x180 [ 148.743178] ? sock_recv_errqueue+0x990/0x990 [ 148.747724] __sys_getsockopt+0x489/0x550 [ 148.751930] __se_sys_getsockopt+0xe1/0x100 [ 148.756295] __x64_sys_getsockopt+0x62/0x80 [ 148.760646] do_syscall_64+0xcf/0x110 [ 148.764477] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 148.769684] RIP: 0033:0x457569 [ 148.772901] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 148.791825] RSP: 002b:00007fc1a8f25c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 148.799560] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 [ 148.806878] RDX: 000000000000006d RSI: 0000000000000084 RDI: 0000000000000003 [ 148.814166] RBP: 000000000072bfa0 R08: 0000000020000000 R09: 0000000000000000 [ 148.821459] R10: 0000000020000340 R11: 0000000000000246 R12: 00007fc1a8f266d4 [ 148.828752] R13: 00000000004c87a8 R14: 00000000004ce8a0 R15: 00000000ffffffff [ 148.836053] [ 148.837703] Uninit was stored to memory at: [ 148.842057] kmsan_internal_chain_origin+0x13d/0x240 [ 148.847192] kmsan_memcpy_memmove_metadata+0x1a9/0xf70 [ 148.852500] kmsan_memcpy_metadata+0xb/0x10 [ 148.856842] __msan_memcpy+0x61/0x70 [ 148.860591] sctp_getsockopt+0x147a2/0x17740 [ 148.865021] sock_common_getsockopt+0x13f/0x180 [ 148.869714] __sys_getsockopt+0x489/0x550 [ 148.874053] __se_sys_getsockopt+0xe1/0x100 [ 148.878424] __x64_sys_getsockopt+0x62/0x80 [ 148.882769] do_syscall_64+0xcf/0x110 [ 148.886607] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 148.891821] [ 148.893460] Uninit was stored to memory at: [ 148.897857] kmsan_internal_chain_origin+0x13d/0x240 [ 148.903015] kmsan_memcpy_memmove_metadata+0x1a9/0xf70 [ 148.908367] kmsan_memcpy_metadata+0xb/0x10 [ 148.912714] __msan_memcpy+0x61/0x70 [ 148.916455] sctp_getsockopt+0x14649/0x17740 [ 148.920888] sock_common_getsockopt+0x13f/0x180 [ 148.925586] __sys_getsockopt+0x489/0x550 [ 148.929772] __se_sys_getsockopt+0xe1/0x100 [ 148.934117] __x64_sys_getsockopt+0x62/0x80 [ 148.938464] do_syscall_64+0xcf/0x110 [ 148.942290] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 148.947484] [ 148.949124] Uninit was created at: [ 148.952688] kmsan_internal_poison_shadow+0x6d/0x130 [ 148.957815] kmsan_kmalloc+0xa1/0x100 [ 148.961639] __kmalloc+0x14c/0x480 [ 148.965205] sctp_inetaddr_event+0x518/0xa60 [ 148.969636] blocking_notifier_call_chain+0x1a5/0x2f0 [ 148.974846] __inet_insert_ifa+0xff8/0x1250 [ 148.979193] inet_rtm_newaddr+0x1326/0x21c0 [ 148.983545] rtnetlink_rcv_msg+0x1148/0x1540 [ 148.987987] netlink_rcv_skb+0x394/0x640 [ 148.992078] rtnetlink_rcv+0x50/0x60 [ 148.995814] netlink_unicast+0x1699/0x1740 [ 149.000099] netlink_sendmsg+0x13c7/0x1440 [ 149.004898] ___sys_sendmsg+0xdbc/0x11d0 [ 149.009002] __se_sys_sendmsg+0x305/0x460 [ 149.013173] __x64_sys_sendmsg+0x4a/0x70 [ 149.017249] do_syscall_64+0xcf/0x110 [ 149.021076] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 149.026277] [ 149.027924] Bytes 8-15 of 400 are uninitialized [ 149.032609] Memory access of size 400 starts at ffff8881856d6400 [ 149.038769] Data copied to user address 0000000020000348 [ 149.044228] ================================================================== [ 149.051600] Disabling lock debugging due to kernel taint [ 149.057123] Kernel panic - not syncing: panic_on_warn set ... [ 149.063077] CPU: 1 PID: 8333 Comm: syz-executor1 Tainted: G B 4.20.0-rc3+ #101 [ 149.071755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.081124] Call Trace: [ 149.083740] dump_stack+0x32d/0x480 [ 149.087412] panic+0x624/0xc08 [ 149.090726] kmsan_report+0x28a/0x290 [ 149.094580] kmsan_internal_check_memory+0x32a/0xa50 [ 149.099714] ? __msan_get_context_state+0x9/0x20 [ 149.104525] kmsan_copy_to_user+0x78/0xd0 [ 149.108746] _copy_to_user+0x19a/0x230 [ 149.112677] sctp_getsockopt+0x14aa6/0x17740 [ 149.117182] ? aa_sk_perm+0x7ab/0x9e0 [ 149.121034] ? aa_sock_opt_perm+0x132/0x2b0 [ 149.125431] ? sctp_setsockopt+0x12770/0x12770 [ 149.130045] sock_common_getsockopt+0x13f/0x180 [ 149.134759] ? sock_recv_errqueue+0x990/0x990 [ 149.139284] __sys_getsockopt+0x489/0x550 [ 149.143498] __se_sys_getsockopt+0xe1/0x100 [ 149.147874] __x64_sys_getsockopt+0x62/0x80 [ 149.152248] do_syscall_64+0xcf/0x110 [ 149.156099] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 149.161306] RIP: 0033:0x457569 [ 149.164520] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 149.183451] RSP: 002b:00007fc1a8f25c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 149.191185] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 [ 149.198473] RDX: 000000000000006d RSI: 0000000000000084 RDI: 0000000000000003 [ 149.205762] RBP: 000000000072bfa0 R08: 0000000020000000 R09: 0000000000000000 [ 149.213049] R10: 0000000020000340 R11: 0000000000000246 R12: 00007fc1a8f266d4 [ 149.220347] R13: 00000000004c87a8 R14: 00000000004ce8a0 R15: 00000000ffffffff [ 149.228635] Kernel Offset: disabled [ 149.232271] Rebooting in 86400 seconds..