[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 64.141102][ T8476] netlink: 'syz-executor191': attribute type 1 has an invalid length.
[ 64.330812][ T8476]
[ 64.337249][ T8476] =============================
[ 64.342378][ T8476] WARNING: suspicious RCU usage
[ 64.347841][ T8476] 5.10.0-rc1-syzkaller #0 Not tainted
[ 64.363390][ T8476] -----------------------------
[ 64.368289][ T8476] drivers/net/bonding/bond_main.c:395 suspicious rcu_dereference_check() usage!
[ 64.398847][ T8476]
[ 64.398847][ T8476] other info that might help us debug this:
[ 64.398847][ T8476]
[ 64.412295][ T8476]
[ 64.412295][ T8476] rcu_scheduler_active = 2, debug_locks = 1
[ 64.420396][ T8476] 1 lock held by syz-executor191/8476:
[ 64.427427][ T8476] #0: ffffffff8c916628 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{3:3}, at: xfrm_netlink_rcv+0x5c/0x90
[ 64.451585][ T8476]
[ 64.451585][ T8476] stack backtrace:
[ 64.457516][ T8476] CPU: 0 PID: 8476 Comm: syz-executor191 Not tainted 5.10.0-rc1-syzkaller #0
[ 64.466276][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.476332][ T8476] Call Trace:
[ 64.479632][ T8476] dump_stack+0x107/0x163
[ 64.483982][ T8476] bond_ipsec_add_sa+0x1dc/0x240
[ 64.488935][ T8476] xfrm_dev_state_add+0x2da/0x7b0
[ 64.493975][ T8476] xfrm_add_sa+0x2166/0x34f0
[ 64.498586][ T8476] ? xfrm_get_sa+0x2c0/0x2c0
[ 64.503184][ T8476] ? bpf_lsm_capable+0x5/0x10
[ 64.507871][ T8476] ? security_capable+0x8f/0xc0
[ 64.512770][ T8476] ? __nla_parse+0x3d/0x50
[ 64.517204][ T8476] ? xfrm_get_sa+0x2c0/0x2c0
[ 64.521882][ T8476] xfrm_user_rcv_msg+0x42f/0x8b0
[ 64.526922][ T8476] ? xfrm_do_migrate+0x800/0x800
[ 64.531872][ T8476] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 64.537902][ T8476] ? __mutex_lock+0x626/0x10e0
[ 64.542682][ T8476] netlink_rcv_skb+0x153/0x420
[ 64.547460][ T8476] ? xfrm_do_migrate+0x800/0x800
[ 64.552408][ T8476] ? netlink_ack+0xaa0/0xaa0
[ 64.557025][ T8476] xfrm_netlink_rcv+0x6b/0x90
[ 64.561714][ T8476] netlink_unicast+0x533/0x7d0
[ 64.566492][ T8476] ? netlink_attachskb+0x810/0x810
[ 64.571614][ T8476] ? __phys_addr_symbol+0x2c/0x70
[ 64.576650][ T8476] ? __check_object_size+0x171/0x3f0
[ 64.581958][ T8476] netlink_sendmsg+0x856/0xd90
[ 64.586731][ T8476] ? netlink_unicast+0x7d0/0x7d0
[ 64.591686][ T8476] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 64.597093][ T8476] ? netlink_unicast+0x7d0/0x7d0
[ 64.602044][ T8476] sock_sendmsg+0xcf/0x120
[ 64.606473][ T8476] ____sys_sendmsg+0x6e8/0x810
[ 64.611335][ T8476] ? kernel_sendmsg+0x50/0x50
[ 64.616015][ T8476] ? do_recvmmsg+0x6c0/0x6c0
[ 64.620619][ T8476] ? fs_reclaim_release+0x90/0xd0
[ 64.625664][ T8476] ___sys_sendmsg+0xf3/0x170
[ 64.630262][ T8476] ? sendmsg_copy_msghdr+0x160/0x160
[ 64.635560][ T8476] ? lockdep_init_map_waits+0x26a/0x720
[ 64.641120][ T8476] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 64.647110][ T8476] ? percpu_counter_add_batch+0xbd/0x180
[ 64.652766][ T8476] ? find_held_lock+0x2d/0x110
[ 64.657547][ T8476] ? __fd_install+0x1b4/0x600
[ 64.662244][ T8476] ? lock_downgrade+0x6d0/0x6d0
[ 64.667112][ T8476] ? __fget_light+0x215/0x280
[ 64.671803][ T8476] __sys_sendmsg+0xe5/0x1b0
[ 64.676314][ T8476] ? __sys_sendmsg_sock+0xb0/0xb0
[ 64.681368][ T8476] ? syscall_enter_from_user_mode+0x1d/0x50
[ 64.687261][ T8476] do_syscall_64+0x2d/0x70
[ 64.691726][ T8476] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 64.697616][ T8476] RIP: 0033:0x440449
[ 64.701499][ T8476] 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 64.721130][ T8476] RSP: 002b:00007ffc67431558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 64.729527][ T8476] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440449
[ 64.737489][ T8476] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004
[ 64.745443][ T8476] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[ 64.753562][ T8476] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401c50
[ 64.761566][ T8476] R13: 0000000000401ce0 R14: 0000000000000000 R15: 0000000000000000
[ 64.781615][ T8476] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[ 64.793489][ T8476] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 64.801880][ T8476] CPU: 0 PID: 8476 Comm: syz-executor191 Not tainted 5.10.0-rc1-syzkaller #0
[ 64.810625][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.820695][ T8476] RIP: 0010:bond_ipsec_add_sa+0x9e/0x240
[ 64.826303][ T8476] Code: 04 31 ff 89 c3 89 c6 e8 d0 fc d9 fc 85 db 0f 85 f6 00 00 00 e8 73 04 da fc 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 5f 01 00 00 48 8d bd d0 02 00 00 49 8b 5d 00 48
[ 64.845884][ T8476] RSP: 0018:ffffc9000158f498 EFLAGS: 00010246
[ 64.851927][ T8476] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81559667
[ 64.859995][ T8476] RDX: 0000000000000000 RSI: ffffffff8496028d RDI: 0000000000000000
[ 64.867956][ T8476] RBP: ffff88801a880000 R08: 0000000000000001 R09: ffffffff8ebad727
[ 64.875963][ T8476] R10: fffffbfff1d75ae4 R11: 0000000000000000 R12: ffff888011c10000
[ 64.883912][ T8476] R13: 0000000000000000 R14: ffff88801a8802e0 R15: ffff88801a8802e4
[ 64.891862][ T8476] FS: 000000000093e880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
[ 64.900766][ T8476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.907326][ T8476] CR2: 00007fcb3b60e000 CR3: 0000000021309000 CR4: 00000000001506f0
[ 64.915288][ T8476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.923234][ T8476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.931177][ T8476] Call Trace:
[ 64.934454][ T8476] xfrm_dev_state_add+0x2da/0x7b0
[ 64.939455][ T8476] xfrm_add_sa+0x2166/0x34f0
[ 64.944024][ T8476] ? xfrm_get_sa+0x2c0/0x2c0
[ 64.948589][ T8476] ? bpf_lsm_capable+0x5/0x10
[ 64.953239][ T8476] ? security_capable+0x8f/0xc0
[ 64.958080][ T8476] ? __nla_parse+0x3d/0x50
[ 64.962472][ T8476] ? xfrm_get_sa+0x2c0/0x2c0
[ 64.967037][ T8476] xfrm_user_rcv_msg+0x42f/0x8b0
[ 64.971950][ T8476] ? xfrm_do_migrate+0x800/0x800
[ 64.976876][ T8476] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 64.982838][ T8476] ? __mutex_lock+0x626/0x10e0
[ 64.987592][ T8476] netlink_rcv_skb+0x153/0x420
[ 64.992332][ T8476] ? xfrm_do_migrate+0x800/0x800
[ 64.997257][ T8476] ? netlink_ack+0xaa0/0xaa0
[ 65.001839][ T8476] xfrm_netlink_rcv+0x6b/0x90
[ 65.006510][ T8476] netlink_unicast+0x533/0x7d0
[ 65.011251][ T8476] ? netlink_attachskb+0x810/0x810
[ 65.016350][ T8476] ? __phys_addr_symbol+0x2c/0x70
[ 65.021351][ T8476] ? __check_object_size+0x171/0x3f0
[ 65.026615][ T8476] netlink_sendmsg+0x856/0xd90
[ 65.031370][ T8476] ? netlink_unicast+0x7d0/0x7d0
[ 65.036290][ T8476] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 65.041548][ T8476] ? netlink_unicast+0x7d0/0x7d0
[ 65.046460][ T8476] sock_sendmsg+0xcf/0x120
[ 65.050991][ T8476] ____sys_sendmsg+0x6e8/0x810
[ 65.055730][ T8476] ? kernel_sendmsg+0x50/0x50
[ 65.060393][ T8476] ? do_recvmmsg+0x6c0/0x6c0
[ 65.064970][ T8476] ? fs_reclaim_release+0x90/0xd0
[ 65.069967][ T8476] ___sys_sendmsg+0xf3/0x170
[ 65.074546][ T8476] ? sendmsg_copy_msghdr+0x160/0x160
[ 65.079805][ T8476] ? lockdep_init_map_waits+0x26a/0x720
[ 65.085326][ T8476] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 65.091279][ T8476] ? percpu_counter_add_batch+0xbd/0x180
[ 65.096901][ T8476] ? find_held_lock+0x2d/0x110
[ 65.101655][ T8476] ? __fd_install+0x1b4/0x600
[ 65.106305][ T8476] ? lock_downgrade+0x6d0/0x6d0
[ 65.111129][ T8476] ? __fget_light+0x215/0x280
[ 65.115779][ T8476] __sys_sendmsg+0xe5/0x1b0
[ 65.120255][ T8476] ? __sys_sendmsg_sock+0xb0/0xb0
[ 65.125258][ T8476] ? syscall_enter_from_user_mode+0x1d/0x50
[ 65.131124][ T8476] do_syscall_64+0x2d/0x70
[ 65.135518][ T8476] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 65.141408][ T8476] RIP: 0033:0x440449
[ 65.145297][ T8476] 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 65.164890][ T8476] RSP: 002b:00007ffc67431558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 65.173285][ T8476] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440449
[ 65.181233][ T8476] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004
[ 65.189179][ T8476] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[ 65.197125][ T8476] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401c50
[ 65.205072][ T8476] R13: 0000000000401ce0 R14: 0000000000000000 R15: 0000000000000000
[ 65.213020][ T8476] Modules linked in:
[ 65.216995][ T8476] ---[ end trace 0261543278f87b86 ]---
[ 65.222550][ T8476] RIP: 0010:bond_ipsec_add_sa+0x9e/0x240
[ 65.228183][ T8476] Code: 04 31 ff 89 c3 89 c6 e8 d0 fc d9 fc 85 db 0f 85 f6 00 00 00 e8 73 04 da fc 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 5f 01 00 00 48 8d bd d0 02 00 00 49 8b 5d 00 48
[ 65.247832][ T8476] RSP: 0018:ffffc9000158f498 EFLAGS: 00010246
[ 65.253927][ T8476] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81559667
[ 65.261928][ T8476] RDX: 0000000000000000 RSI: ffffffff8496028d RDI: 0000000000000000
[ 65.270009][ T8476] RBP: ffff88801a880000 R08: 0000000000000001 R09: ffffffff8ebad727
[ 65.278005][ T8476] R10: fffffbfff1d75ae4 R11: 0000000000000000 R12: ffff888011c10000
[ 65.286052][ T8476] R13: 0000000000000000 R14: ffff88801a8802e0 R15: ffff88801a8802e4
[ 65.294051][ T8476] FS: 000000000093e880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
[ 65.303009][ T8476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.309586][ T8476] CR2: 00007fcb3b60e000 CR3: 0000000021309000 CR4: 00000000001506f0
[ 65.317588][ T8476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 65.325589][ T8476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 65.333605][ T8476] Kernel panic - not syncing: Fatal exception
[ 65.340383][ T8476] Kernel Offset: disabled
[ 65.344709][ T8476] Rebooting in 86400 seconds..