[ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 171.904335][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 171.976335][ T8270] netlink: 4 bytes leftover after parsing attributes in process `syz-executor224'. [ 171.985859][ T8270] ===================================================== [ 171.992795][ T8270] BUG: KMSAN: uninit-value in __nla_validate_parse+0x5fd/0x4e00 [ 172.000430][ T8270] CPU: 0 PID: 8270 Comm: syz-executor224 Not tainted 5.10.0-rc4-syzkaller #0 [ 172.009181][ T8270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.019219][ T8270] Call Trace: [ 172.022502][ T8270] dump_stack+0x21c/0x280 [ 172.026833][ T8270] kmsan_report+0xf7/0x1e0 [ 172.031248][ T8270] __msan_warning+0x5f/0xa0 [ 172.035742][ T8270] __nla_validate_parse+0x5fd/0x4e00 [ 172.041054][ T8270] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 172.047212][ T8270] __nla_parse+0x141/0x150 [ 172.051636][ T8270] fl_set_erspan_opt+0x39a/0xe60 [ 172.056601][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.062418][ T8270] fl_set_key+0x810d/0xbb60 [ 172.066919][ T8270] ? kmsan_internal_set_origin+0x85/0xc0 [ 172.072559][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.077762][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.083585][ T8270] fl_change+0x1226/0x7ae0 [ 172.088005][ T8270] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 172.094061][ T8270] ? idr_find+0x9a/0xc0 [ 172.098201][ T8270] ? __msan_get_context_state+0x9/0x20 [ 172.103678][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.108865][ T8270] tc_new_tfilter+0x37c1/0x58e0 [ 172.113715][ T8270] ? fl_put+0x50/0x50 [ 172.117700][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.122909][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.128703][ T8270] ? tcf_gate_entry_destructor+0x40/0x40 [ 172.134324][ T8270] rtnetlink_rcv_msg+0xe94/0x18b0 [ 172.139345][ T8270] ? kmsan_internal_poison_shadow+0x5c/0xf0 [ 172.145232][ T8270] ? ____sys_sendmsg+0xc7a/0x1240 [ 172.150263][ T8270] ? __se_sys_sendmmsg+0xbd/0xe0 [ 172.155200][ T8270] ? __x64_sys_sendmmsg+0x56/0x70 [ 172.160211][ T8270] ? do_syscall_64+0x9f/0x140 [ 172.164877][ T8270] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.170932][ T8270] ? do_syscall_64+0x9f/0x140 [ 172.175601][ T8270] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.181656][ T8270] ? is_module_text_address+0x4d/0x2a0 [ 172.187122][ T8270] ? kmsan_get_shadow_origin_ptr+0x29/0xb0 [ 172.192912][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.198113][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.203908][ T8270] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 172.209963][ T8270] ? rhashtable_jhash2+0x3f1/0x500 [ 172.215084][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.220306][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.226119][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.231320][ T8270] ? kmsan_internal_set_origin+0x85/0xc0 [ 172.236965][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.242164][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.247975][ T8270] netlink_rcv_skb+0x70a/0x820 [ 172.252751][ T8270] ? rtnetlink_bind+0x140/0x140 [ 172.257595][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.262779][ T8270] rtnetlink_rcv+0x50/0x60 [ 172.267198][ T8270] netlink_unicast+0x11da/0x14b0 [ 172.272121][ T8270] ? rtnetlink_net_exit+0x90/0x90 [ 172.277141][ T8270] netlink_sendmsg+0x173c/0x1840 [ 172.282086][ T8270] ____sys_sendmsg+0xc7a/0x1240 [ 172.286955][ T8270] ? netlink_getsockopt+0x1830/0x1830 [ 172.292336][ T8270] __sys_sendmmsg+0xa56/0x1060 [ 172.297088][ T8270] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 172.303185][ T8270] ? kmsan_check_memory+0xd/0x10 [ 172.308229][ T8270] ? move_addr_to_user+0x480/0x640 [ 172.313326][ T8270] ? __sys_getsockname+0x51f/0x5d0 [ 172.318425][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.323636][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.329459][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.334644][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.340435][ T8270] __se_sys_sendmmsg+0xbd/0xe0 [ 172.345188][ T8270] __x64_sys_sendmmsg+0x56/0x70 [ 172.350025][ T8270] do_syscall_64+0x9f/0x140 [ 172.354516][ T8270] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.360409][ T8270] RIP: 0033:0x441739 [ 172.364289][ T8270] Code: e8 5c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 bb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.383999][ T8270] RSP: 002b:00007ffca52cefc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 172.392412][ T8270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441739 [ 172.400395][ T8270] RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003 [ 172.408357][ T8270] RBP: 00007ffca52cefd0 R08: 0000000120080522 R09: 0000000120080522 [ 172.416366][ T8270] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004a2a70 [ 172.424337][ T8270] R13: 0000000000402610 R14: 0000000000000000 R15: 0000000000000000 [ 172.432294][ T8270] [ 172.434615][ T8270] Uninit was created at: [ 172.438870][ T8270] kmsan_internal_poison_shadow+0x5c/0xf0 [ 172.444588][ T8270] kmsan_slab_alloc+0x8d/0xe0 [ 172.449277][ T8270] __kmalloc_node_track_caller+0xc61/0x15f0 [ 172.455177][ T8270] __alloc_skb+0x309/0xae0 [ 172.459617][ T8270] netlink_sendmsg+0xdb8/0x1840 [ 172.464454][ T8270] ____sys_sendmsg+0xc7a/0x1240 [ 172.469334][ T8270] __sys_sendmmsg+0xa56/0x1060 [ 172.474093][ T8270] __se_sys_sendmmsg+0xbd/0xe0 [ 172.478869][ T8270] __x64_sys_sendmmsg+0x56/0x70 [ 172.483717][ T8270] do_syscall_64+0x9f/0x140 [ 172.488226][ T8270] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.494114][ T8270] ===================================================== [ 172.501057][ T8270] Disabling lock debugging due to kernel taint [ 172.507216][ T8270] Kernel panic - not syncing: panic_on_warn set ... [ 172.513822][ T8270] CPU: 0 PID: 8270 Comm: syz-executor224 Tainted: G B 5.10.0-rc4-syzkaller #0 [ 172.523975][ T8270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.534043][ T8270] Call Trace: [ 172.537360][ T8270] dump_stack+0x21c/0x280 [ 172.541702][ T8270] panic+0x4c8/0xea7 [ 172.545676][ T8270] ? add_taint+0x17c/0x210 [ 172.550310][ T8270] kmsan_report+0x1da/0x1e0 [ 172.554826][ T8270] __msan_warning+0x5f/0xa0 [ 172.559349][ T8270] __nla_validate_parse+0x5fd/0x4e00 [ 172.564659][ T8270] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 172.570827][ T8270] __nla_parse+0x141/0x150 [ 172.575259][ T8270] fl_set_erspan_opt+0x39a/0xe60 [ 172.580213][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.586046][ T8270] fl_set_key+0x810d/0xbb60 [ 172.590568][ T8270] ? kmsan_internal_set_origin+0x85/0xc0 [ 172.596220][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.601433][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.607261][ T8270] fl_change+0x1226/0x7ae0 [ 172.611727][ T8270] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 172.617814][ T8270] ? idr_find+0x9a/0xc0 [ 172.622003][ T8270] ? __msan_get_context_state+0x9/0x20 [ 172.627474][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.632689][ T8270] tc_new_tfilter+0x37c1/0x58e0 [ 172.637561][ T8270] ? fl_put+0x50/0x50 [ 172.641567][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.646793][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.652619][ T8270] ? tcf_gate_entry_destructor+0x40/0x40 [ 172.658290][ T8270] rtnetlink_rcv_msg+0xe94/0x18b0 [ 172.663338][ T8270] ? kmsan_internal_poison_shadow+0x5c/0xf0 [ 172.669246][ T8270] ? ____sys_sendmsg+0xc7a/0x1240 [ 172.674283][ T8270] ? __se_sys_sendmmsg+0xbd/0xe0 [ 172.679257][ T8270] ? __x64_sys_sendmmsg+0x56/0x70 [ 172.684295][ T8270] ? do_syscall_64+0x9f/0x140 [ 172.688993][ T8270] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.695076][ T8270] ? do_syscall_64+0x9f/0x140 [ 172.699772][ T8270] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.705859][ T8270] ? is_module_text_address+0x4d/0x2a0 [ 172.711333][ T8270] ? kmsan_get_shadow_origin_ptr+0x29/0xb0 [ 172.717150][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.722362][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.728180][ T8270] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 172.734257][ T8270] ? rhashtable_jhash2+0x3f1/0x500 [ 172.739374][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.744620][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.750412][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.755607][ T8270] ? kmsan_internal_set_origin+0x85/0xc0 [ 172.761256][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.766443][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.772259][ T8270] netlink_rcv_skb+0x70a/0x820 [ 172.777035][ T8270] ? rtnetlink_bind+0x140/0x140 [ 172.781871][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.787056][ T8270] rtnetlink_rcv+0x50/0x60 [ 172.791495][ T8270] netlink_unicast+0x11da/0x14b0 [ 172.796420][ T8270] ? rtnetlink_net_exit+0x90/0x90 [ 172.801465][ T8270] netlink_sendmsg+0x173c/0x1840 [ 172.806407][ T8270] ____sys_sendmsg+0xc7a/0x1240 [ 172.811245][ T8270] ? netlink_getsockopt+0x1830/0x1830 [ 172.816621][ T8270] __sys_sendmmsg+0xa56/0x1060 [ 172.821374][ T8270] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 172.827459][ T8270] ? kmsan_check_memory+0xd/0x10 [ 172.832401][ T8270] ? move_addr_to_user+0x480/0x640 [ 172.837498][ T8270] ? __sys_getsockname+0x51f/0x5d0 [ 172.842610][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.847842][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.853663][ T8270] ? kmsan_get_metadata+0x116/0x180 [ 172.858867][ T8270] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 172.864678][ T8270] __se_sys_sendmmsg+0xbd/0xe0 [ 172.869428][ T8270] __x64_sys_sendmmsg+0x56/0x70 [ 172.874271][ T8270] do_syscall_64+0x9f/0x140 [ 172.878805][ T8270] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.884679][ T8270] RIP: 0033:0x441739 [ 172.888558][ T8270] Code: e8 5c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 bb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 172.908192][ T8270] RSP: 002b:00007ffca52cefc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 172.916595][ T8270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441739 [ 172.924570][ T8270] RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003 [ 172.932537][ T8270] RBP: 00007ffca52cefd0 R08: 0000000120080522 R09: 0000000120080522 [ 172.940500][ T8270] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004a2a70 [ 172.948456][ T8270] R13: 0000000000402610 R14: 0000000000000000 R15: 0000000000000000 [ 172.956917][ T8270] Kernel Offset: disabled [ 172.961243][ T8270] Rebooting in 86400 seconds..