Warning: Permanently added '10.128.1.63' (ECDSA) to the list of known hosts. syzkaller login: [ 132.102393][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 132.231539][ T1019] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.239489][ T1019] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 132.291444][ T59] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 132.311144][ T1263] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.319077][ T1263] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 132.327711][ T59] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 132.352085][ T8237] ===================================================== [ 132.359111][ T8237] BUG: KMSAN: uninit-value in hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 132.367762][ T8237] CPU: 1 PID: 8237 Comm: syz-executor739 Not tainted 5.12.0-rc6-syzkaller #0 [ 132.376559][ T8237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.386636][ T8237] Call Trace: [ 132.389924][ T8237] dump_stack+0x24c/0x2e0 [ 132.394278][ T8237] kmsan_report+0xfb/0x1e0 [ 132.398681][ T8237] __msan_warning+0x5c/0xa0 [ 132.403169][ T8237] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 132.409400][ T8237] ? hwsim_register_received_nl+0x740/0x740 [ 132.415278][ T8237] genl_rcv_msg+0x1319/0x1610 [ 132.419944][ T8237] ? hwsim_register_received_nl+0x740/0x740 [ 132.425854][ T8237] ? kmsan_set_origin_checked+0xa2/0x100 [ 132.431470][ T8237] netlink_rcv_skb+0x6fa/0x810 [ 132.436229][ T8237] ? genl_bind+0x4b0/0x4b0 [ 132.440636][ T8237] genl_rcv+0x63/0x80 [ 132.444602][ T8237] netlink_unicast+0x11d6/0x14a0 [ 132.449535][ T8237] ? genl_pernet_exit+0x90/0x90 [ 132.454391][ T8237] netlink_sendmsg+0x1740/0x1840 [ 132.459330][ T8237] ? netlink_getsockopt+0x1830/0x1830 [ 132.464699][ T8237] __sys_sendto+0x9ea/0xc60 [ 132.469188][ T8237] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 132.475249][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 132.480433][ T8237] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 132.486233][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 132.491424][ T8237] __se_sys_sendto+0x107/0x130 [ 132.496186][ T8237] __x64_sys_sendto+0x6e/0x90 [ 132.500846][ T8237] do_syscall_64+0x9f/0x140 [ 132.505337][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.511224][ T8237] RIP: 0033:0x402d56 [ 132.515104][ T8237] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 132.534706][ T8237] RSP: 002b:00007ffd99ca6c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 132.543142][ T8237] RAX: ffffffffffffffda RBX: 00007ffd99ca6d10 RCX: 0000000000402d56 [ 132.551127][ T8237] RDX: 0000000000000034 RSI: 00007ffd99ca6d60 RDI: 0000000000000003 [ 132.559093][ T8237] RBP: 0000000000000001 R08: 00007ffd99ca6cb4 R09: 000000000000000c [ 132.567082][ T8237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 132.575047][ T8237] R13: 00007ffd99ca6d60 R14: 0000000000000003 R15: 0000000000000000 [ 132.583009][ T8237] [ 132.585312][ T8237] Uninit was created at: [ 132.589543][ T8237] kmsan_internal_poison_shadow+0x66/0xd0 [ 132.595284][ T8237] kmsan_slab_alloc+0x8e/0xe0 [ 132.599953][ T8237] __kmalloc_node_track_caller+0xa4f/0x1470 [ 132.605849][ T8237] __alloc_skb+0x4dd/0xe90 [ 132.610245][ T8237] hwsim_cloned_frame_received_nl+0x223/0x13f0 [ 132.616409][ T8237] genl_rcv_msg+0x1319/0x1610 [ 132.621078][ T8237] netlink_rcv_skb+0x6fa/0x810 [ 132.625836][ T8237] genl_rcv+0x63/0x80 [ 132.629800][ T8237] netlink_unicast+0x11d6/0x14a0 [ 132.634720][ T8237] netlink_sendmsg+0x1740/0x1840 [ 132.639648][ T8237] __sys_sendto+0x9ea/0xc60 [ 132.644135][ T8237] __se_sys_sendto+0x107/0x130 [ 132.648878][ T8237] __x64_sys_sendto+0x6e/0x90 [ 132.653535][ T8237] do_syscall_64+0x9f/0x140 [ 132.658022][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.663914][ T8237] ===================================================== [ 132.670820][ T8237] Disabling lock debugging due to kernel taint [ 132.676958][ T8237] Kernel panic - not syncing: panic_on_kmsan set ... [ 132.683603][ T8237] CPU: 1 PID: 8237 Comm: syz-executor739 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 132.693730][ T8237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.703764][ T8237] Call Trace: [ 132.707025][ T8237] dump_stack+0x24c/0x2e0 [ 132.711342][ T8237] panic+0x4c6/0xea7 [ 132.715279][ T8237] ? add_taint+0x17c/0x210 [ 132.719677][ T8237] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 132.725817][ T8237] kmsan_report+0x1de/0x1e0 [ 132.730301][ T8237] __msan_warning+0x5c/0xa0 [ 132.734809][ T8237] hwsim_cloned_frame_received_nl+0x124f/0x13f0 [ 132.741039][ T8237] ? hwsim_register_received_nl+0x740/0x740 [ 132.746917][ T8237] genl_rcv_msg+0x1319/0x1610 [ 132.751592][ T8237] ? hwsim_register_received_nl+0x740/0x740 [ 132.757485][ T8237] ? kmsan_set_origin_checked+0xa2/0x100 [ 132.763143][ T8237] netlink_rcv_skb+0x6fa/0x810 [ 132.767892][ T8237] ? genl_bind+0x4b0/0x4b0 [ 132.772304][ T8237] genl_rcv+0x63/0x80 [ 132.776269][ T8237] netlink_unicast+0x11d6/0x14a0 [ 132.781189][ T8237] ? genl_pernet_exit+0x90/0x90 [ 132.786046][ T8237] netlink_sendmsg+0x1740/0x1840 [ 132.790972][ T8237] ? netlink_getsockopt+0x1830/0x1830 [ 132.796345][ T8237] __sys_sendto+0x9ea/0xc60 [ 132.800854][ T8237] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 132.806925][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 132.812107][ T8237] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 132.817894][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 132.823075][ T8237] __se_sys_sendto+0x107/0x130 [ 132.827853][ T8237] __x64_sys_sendto+0x6e/0x90 [ 132.832540][ T8237] do_syscall_64+0x9f/0x140 [ 132.837051][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.842943][ T8237] RIP: 0033:0x402d56 [ 132.846844][ T8237] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 132.866445][ T8237] RSP: 002b:00007ffd99ca6c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 132.874849][ T8237] RAX: ffffffffffffffda RBX: 00007ffd99ca6d10 RCX: 0000000000402d56 [ 132.882811][ T8237] RDX: 0000000000000034 RSI: 00007ffd99ca6d60 RDI: 0000000000000003 [ 132.890770][ T8237] RBP: 0000000000000001 R08: 00007ffd99ca6cb4 R09: 000000000000000c [ 132.898758][ T8237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 132.906723][ T8237] R13: 00007ffd99ca6d60 R14: 0000000000000003 R15: 0000000000000000 [ 132.915614][ T8237] Kernel Offset: disabled [ 132.919953][ T8237] Rebooting in 86400 seconds..