Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 107.347987] ================================================================== [ 107.355499] BUG: KMSAN: uninit-value in validate_nla+0x179d/0x2690 [ 107.361809] CPU: 1 PID: 10734 Comm: syz-executor826 Not tainted 5.0.0-rc1+ #7 [ 107.369204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.378542] Call Trace: [ 107.381125] dump_stack+0x173/0x1d0 [ 107.384758] kmsan_report+0x12e/0x2a0 [ 107.388570] __msan_warning+0x82/0xf0 [ 107.392384] validate_nla+0x179d/0x2690 [ 107.396379] ? do_syscall_64+0xbc/0xf0 [ 107.400255] ? __x64_sys_sendmsg+0x4a/0x70 [ 107.404477] ? do_syscall_64+0xbc/0xf0 [ 107.408375] __nla_parse+0x38a/0x7e0 [ 107.412100] nla_parse+0x119/0x130 [ 107.415648] __tipc_nl_bearer_enable+0x24e/0x1d50 [ 107.420481] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 107.425832] ? __nla_parse+0x532/0x7e0 [ 107.429740] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.434921] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.439576] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.444243] tipc_nl_compat_doit+0x756/0xaf0 [ 107.448665] tipc_nl_compat_recv+0x14d1/0x2750 [ 107.453258] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.457915] ? tipc_nl_compat_dumpit+0x820/0x820 [ 107.462667] ? tipc_netlink_compat_stop+0x40/0x40 [ 107.467494] genl_rcv_msg+0x185f/0x1a60 [ 107.471495] netlink_rcv_skb+0x431/0x620 [ 107.475559] ? genl_unbind+0x390/0x390 [ 107.479448] genl_rcv+0x63/0x80 [ 107.482811] netlink_unicast+0xf3e/0x1020 [ 107.486968] netlink_sendmsg+0x127f/0x1300 [ 107.491215] ___sys_sendmsg+0xdb9/0x11b0 [ 107.495276] ? netlink_getsockopt+0x1460/0x1460 [ 107.499950] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.505137] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 107.510494] ? __fget_light+0x1fe/0x750 [ 107.514482] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.519667] __se_sys_sendmsg+0x305/0x460 [ 107.523828] __x64_sys_sendmsg+0x4a/0x70 [ 107.527987] do_syscall_64+0xbc/0xf0 [ 107.531708] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 107.536903] RIP: 0033:0x4400b9 [ 107.540085] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.558991] RSP: 002b:00007ffe38ae3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.566688] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400b9 [ 107.573946] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 107.581202] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 107.588456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401940 [ 107.595726] R13: 00000000004019d0 R14: 0000000000000000 R15: 0000000000000000 [ 107.603007] [ 107.604613] Uninit was created at: [ 107.608127] No stack [ 107.610441] ================================================================== [ 107.617781] Disabling lock debugging due to kernel taint [ 107.623229] Kernel panic - not syncing: panic_on_warn set ... [ 107.629110] CPU: 1 PID: 10734 Comm: syz-executor826 Tainted: G B 5.0.0-rc1+ #7 [ 107.637760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.647103] Call Trace: [ 107.649690] dump_stack+0x173/0x1d0 [ 107.653315] panic+0x3d1/0xb01 [ 107.656526] kmsan_report+0x293/0x2a0 [ 107.660320] __msan_warning+0x82/0xf0 [ 107.664121] validate_nla+0x179d/0x2690 [ 107.668086] ? do_syscall_64+0xbc/0xf0 [ 107.671967] ? __x64_sys_sendmsg+0x4a/0x70 [ 107.676186] ? do_syscall_64+0xbc/0xf0 [ 107.680081] __nla_parse+0x38a/0x7e0 [ 107.683809] nla_parse+0x119/0x130 [ 107.687373] __tipc_nl_bearer_enable+0x24e/0x1d50 [ 107.692207] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 107.697558] ? __nla_parse+0x532/0x7e0 [ 107.701460] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.706642] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.711298] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.715961] tipc_nl_compat_doit+0x756/0xaf0 [ 107.720383] tipc_nl_compat_recv+0x14d1/0x2750 [ 107.724978] ? tipc_nl_bearer_disable+0xb0/0xb0 [ 107.729636] ? tipc_nl_compat_dumpit+0x820/0x820 [ 107.734402] ? tipc_netlink_compat_stop+0x40/0x40 [ 107.739231] genl_rcv_msg+0x185f/0x1a60 [ 107.743255] netlink_rcv_skb+0x431/0x620 [ 107.747307] ? genl_unbind+0x390/0x390 [ 107.751196] genl_rcv+0x63/0x80 [ 107.754471] netlink_unicast+0xf3e/0x1020 [ 107.758628] netlink_sendmsg+0x127f/0x1300 [ 107.762881] ___sys_sendmsg+0xdb9/0x11b0 [ 107.766940] ? netlink_getsockopt+0x1460/0x1460 [ 107.771651] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.776839] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 107.782191] ? __fget_light+0x1fe/0x750 [ 107.786167] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 107.791354] __se_sys_sendmsg+0x305/0x460 [ 107.795516] __x64_sys_sendmsg+0x4a/0x70 [ 107.799569] do_syscall_64+0xbc/0xf0 [ 107.803294] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 107.808480] RIP: 0033:0x4400b9 [ 107.811679] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.830571] RSP: 002b:00007ffe38ae3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.838280] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400b9 [ 107.845540] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 107.852799] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 107.860056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401940 [ 107.867314] R13: 00000000004019d0 R14: 0000000000000000 R15: 0000000000000000 [ 107.875488] Kernel Offset: disabled [ 107.879121] Rebooting in 86400 seconds..