[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] 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: [ 64.542018][ T8493] ------------[ cut here ]------------ [ 64.547616][ T8493] unsupported nla_type 0 [ 64.547990][ T8493] WARNING: CPU: 0 PID: 8493 at net/xfrm/xfrm_compat.c:279 xfrm_alloc_compat+0xf39/0x10d0 [ 64.563014][ T8493] Modules linked in: [ 64.566942][ T8493] CPU: 1 PID: 8493 Comm: syz-executor049 Not tainted 5.10.0-rc1-syzkaller #0 [ 64.576199][ T8493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.586343][ T8493] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 64.592240][ T8493] Code: de e8 0b a7 d3 f9 84 db 0f 85 b0 f8 ff ff e8 ee ae d3 f9 8b 74 24 08 48 c7 c7 40 b8 51 8a c6 05 d5 39 3c 05 01 e8 ca ea 0e 01 <0f> 0b e9 8d f8 ff ff e8 cb ae d3 f9 8b 14 24 48 c7 c7 00 b8 51 8a [ 64.611922][ T8493] RSP: 0018:ffffc9000110f378 EFLAGS: 00010282 [ 64.618032][ T8493] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 64.626127][ T8493] RDX: ffff88801ea74ec0 RSI: ffffffff8158ce75 RDI: fffff52000221e61 [ 64.634264][ T8493] RBP: 000000000000000c R08: 0000000000000001 R09: ffff8880b9e2005b [ 64.642290][ T8493] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 [ 64.651263][ T8493] R13: ffff888028f818f8 R14: ffff88802024e640 R15: ffff888011691780 [ 64.659304][ T8493] FS: 00000000017b8880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 64.668351][ T8493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.674921][ T8493] CR2: 00007f12055f86c0 CR3: 000000001c34b000 CR4: 00000000001506e0 [ 64.682925][ T8493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.690968][ T8493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.698990][ T8493] Call Trace: [ 64.702291][ T8493] ? xfrm_attr_cpy32+0x1d0/0x1d0 [ 64.707213][ T8493] xfrm_alloc_userspi+0x66a/0xa30 [ 64.712310][ T8493] ? cgroup_bpf_prog_attach+0x140/0x320 [ 64.717943][ T8493] ? xfrm_send_report+0x510/0x510 [ 64.723098][ T8493] ? __nla_parse+0x3d/0x50 [ 64.727609][ T8493] ? xfrm_send_report+0x510/0x510 [ 64.732648][ T8493] xfrm_user_rcv_msg+0x42f/0x8b0 [ 64.737780][ T8493] ? xfrm_do_migrate+0x800/0x800 [ 64.742726][ T8493] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 64.748829][ T8493] ? __mutex_lock+0x626/0x10e0 [ 64.753597][ T8493] netlink_rcv_skb+0x153/0x420 [ 64.758441][ T8493] ? xfrm_do_migrate+0x800/0x800 [ 64.763377][ T8493] ? netlink_ack+0xaa0/0xaa0 [ 64.768067][ T8493] xfrm_netlink_rcv+0x6b/0x90 [ 64.772742][ T8493] netlink_unicast+0x533/0x7d0 [ 64.778494][ T8493] ? netlink_attachskb+0x810/0x810 [ 64.783617][ T8493] ? __phys_addr_symbol+0x2c/0x70 [ 64.788737][ T8493] ? __check_object_size+0x171/0x3f0 [ 64.794022][ T8493] netlink_sendmsg+0x856/0xd90 [ 64.798859][ T8493] ? netlink_unicast+0x7d0/0x7d0 [ 64.803814][ T8493] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 64.809182][ T8493] ? netlink_unicast+0x7d0/0x7d0 [ 64.814135][ T8493] sock_sendmsg+0xcf/0x120 [ 64.818649][ T8493] ____sys_sendmsg+0x331/0x810 [ 64.823433][ T8493] ? kernel_sendmsg+0x50/0x50 [ 64.837403][ T8493] ? do_recvmmsg+0x6c0/0x6c0 [ 64.842117][ T8493] ? __lock_acquire+0xbbf/0x5590 [ 64.847071][ T8493] ___sys_sendmsg+0xf3/0x170 [ 64.851795][ T8493] ? sendmsg_copy_msghdr+0x160/0x160 [ 64.857093][ T8493] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 64.863172][ T8493] ? release_pages+0x59b/0x1690 [ 64.868143][ T8493] ? lock_chain_count+0x20/0x20 [ 64.873016][ T8493] ? find_held_lock+0x2d/0x110 [ 64.877873][ T8493] ? do_huge_pmd_anonymous_page+0x12cc/0x2050 [ 64.884355][ T8493] ? lock_downgrade+0x6d0/0x6d0 [ 64.889301][ T8493] ? __fget_light+0x215/0x280 [ 64.894088][ T8493] __sys_sendmmsg+0x195/0x470 [ 64.898821][ T8493] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 64.903858][ T8493] ? sockfd_lookup_light+0xc6/0x180 [ 64.910076][ T8493] ? __sys_sendmsg+0x10c/0x1b0 [ 64.914831][ T8493] ? __sys_sendmsg_sock+0xb0/0xb0 [ 64.919935][ T8493] ? vmacache_update+0xce/0x140 [ 64.924991][ T8493] __x64_sys_sendmmsg+0x99/0x100 [ 64.930131][ T8493] ? syscall_enter_from_user_mode+0x1d/0x50 [ 64.936034][ T8493] do_syscall_64+0x2d/0x70 [ 64.940512][ T8493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.946488][ T8493] RIP: 0033:0x440339 [ 64.950541][ T8493] 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 [ 64.970338][ T8493] RSP: 002b:00007ffeb77c1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 64.978830][ T8493] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440339 [ 64.986797][ T8493] RDX: 00000000000000f1 RSI: 0000000020000180 RDI: 0000000000000003 [ 64.994833][ T8493] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 65.002863][ T8493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b40 [ 65.010905][ T8493] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 65.018942][ T8493] Kernel panic - not syncing: panic_on_warn set ... [ 65.025533][ T8493] CPU: 1 PID: 8493 Comm: syz-executor049 Not tainted 5.10.0-rc1-syzkaller #0 [ 65.034266][ T8493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.044299][ T8493] Call Trace: [ 65.047575][ T8493] dump_stack+0x107/0x163 [ 65.051894][ T8493] panic+0x306/0x73d [ 65.055768][ T8493] ? __warn_printk+0xf3/0xf3 [ 65.060356][ T8493] ? __warn.cold+0x1d/0xbb [ 65.064760][ T8493] ? __warn.cold+0x14/0xbb [ 65.069162][ T8493] ? xfrm_alloc_compat+0xf39/0x10d0 [ 65.074480][ T8493] __warn.cold+0x38/0xbb [ 65.078752][ T8493] ? wake_up_klogd.part.0+0x8e/0xd0 [ 65.084406][ T8493] ? xfrm_alloc_compat+0xf39/0x10d0 [ 65.089585][ T8493] report_bug+0x1bd/0x210 [ 65.093904][ T8493] handle_bug+0x3c/0x60 [ 65.098079][ T8493] exc_invalid_op+0x14/0x40 [ 65.102564][ T8493] asm_exc_invalid_op+0x12/0x20 [ 65.107395][ T8493] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 65.113285][ T8493] Code: de e8 0b a7 d3 f9 84 db 0f 85 b0 f8 ff ff e8 ee ae d3 f9 8b 74 24 08 48 c7 c7 40 b8 51 8a c6 05 d5 39 3c 05 01 e8 ca ea 0e 01 <0f> 0b e9 8d f8 ff ff e8 cb ae d3 f9 8b 14 24 48 c7 c7 00 b8 51 8a [ 65.132877][ T8493] RSP: 0018:ffffc9000110f378 EFLAGS: 00010282 [ 65.138936][ T8493] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 65.146888][ T8493] RDX: ffff88801ea74ec0 RSI: ffffffff8158ce75 RDI: fffff52000221e61 [ 65.154848][ T8493] RBP: 000000000000000c R08: 0000000000000001 R09: ffff8880b9e2005b [ 65.162804][ T8493] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 [ 65.170803][ T8493] R13: ffff888028f818f8 R14: ffff88802024e640 R15: ffff888011691780 [ 65.178773][ T8493] ? vprintk_func+0x95/0x1e0 [ 65.183351][ T8493] ? xfrm_alloc_compat+0xf39/0x10d0 [ 65.188533][ T8493] ? xfrm_attr_cpy32+0x1d0/0x1d0 [ 65.193455][ T8493] xfrm_alloc_userspi+0x66a/0xa30 [ 65.198480][ T8493] ? cgroup_bpf_prog_attach+0x140/0x320 [ 65.204007][ T8493] ? xfrm_send_report+0x510/0x510 [ 65.209017][ T8493] ? __nla_parse+0x3d/0x50 [ 65.213413][ T8493] ? xfrm_send_report+0x510/0x510 [ 65.218433][ T8493] xfrm_user_rcv_msg+0x42f/0x8b0 [ 65.223366][ T8493] ? xfrm_do_migrate+0x800/0x800 [ 65.228285][ T8493] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.234267][ T8493] ? __mutex_lock+0x626/0x10e0 [ 65.239015][ T8493] netlink_rcv_skb+0x153/0x420 [ 65.243761][ T8493] ? xfrm_do_migrate+0x800/0x800 [ 65.248680][ T8493] ? netlink_ack+0xaa0/0xaa0 [ 65.253261][ T8493] xfrm_netlink_rcv+0x6b/0x90 [ 65.257923][ T8493] netlink_unicast+0x533/0x7d0 [ 65.262671][ T8493] ? netlink_attachskb+0x810/0x810 [ 65.267766][ T8493] ? __phys_addr_symbol+0x2c/0x70 [ 65.272769][ T8493] ? __check_object_size+0x171/0x3f0 [ 65.278034][ T8493] netlink_sendmsg+0x856/0xd90 [ 65.282785][ T8493] ? netlink_unicast+0x7d0/0x7d0 [ 65.287761][ T8493] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 65.293160][ T8493] ? netlink_unicast+0x7d0/0x7d0 [ 65.298099][ T8493] sock_sendmsg+0xcf/0x120 [ 65.302498][ T8493] ____sys_sendmsg+0x331/0x810 [ 65.307286][ T8493] ? kernel_sendmsg+0x50/0x50 [ 65.311970][ T8493] ? do_recvmmsg+0x6c0/0x6c0 [ 65.316545][ T8493] ? __lock_acquire+0xbbf/0x5590 [ 65.321483][ T8493] ___sys_sendmsg+0xf3/0x170 [ 65.326053][ T8493] ? sendmsg_copy_msghdr+0x160/0x160 [ 65.331319][ T8493] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.337282][ T8493] ? release_pages+0x59b/0x1690 [ 65.342113][ T8493] ? lock_chain_count+0x20/0x20 [ 65.346960][ T8493] ? find_held_lock+0x2d/0x110 [ 65.351713][ T8493] ? do_huge_pmd_anonymous_page+0x12cc/0x2050 [ 65.357806][ T8493] ? lock_downgrade+0x6d0/0x6d0 [ 65.362643][ T8493] ? __fget_light+0x215/0x280 [ 65.367318][ T8493] __sys_sendmmsg+0x195/0x470 [ 65.372023][ T8493] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 65.377044][ T8493] ? sockfd_lookup_light+0xc6/0x180 [ 65.382229][ T8493] ? __sys_sendmsg+0x10c/0x1b0 [ 65.386978][ T8493] ? __sys_sendmsg_sock+0xb0/0xb0 [ 65.392009][ T8493] ? vmacache_update+0xce/0x140 [ 65.396956][ T8493] __x64_sys_sendmmsg+0x99/0x100 [ 65.401898][ T8493] ? syscall_enter_from_user_mode+0x1d/0x50 [ 65.407775][ T8493] do_syscall_64+0x2d/0x70 [ 65.412183][ T8493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.418058][ T8493] RIP: 0033:0x440339 [ 65.421938][ T8493] 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 [ 65.441526][ T8493] RSP: 002b:00007ffeb77c1a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 65.449921][ T8493] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440339 [ 65.457875][ T8493] RDX: 00000000000000f1 RSI: 0000000020000180 RDI: 0000000000000003 [ 65.465824][ T8493] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 65.473785][ T8493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b40 [ 65.481735][ T8493] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 65.490423][ T8493] Kernel Offset: disabled [ 65.494827][ T8493] Rebooting in 86400 seconds..