Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 65.844862][ T8490] ------------[ cut here ]------------ [ 65.850561][ T8490] unsupported nla_type 0 [ 65.850897][ T8490] WARNING: CPU: 0 PID: 8490 at net/xfrm/xfrm_compat.c:279 xfrm_alloc_compat+0xf39/0x10d0 [ 65.865751][ T8490] Modules linked in: [ 65.869668][ T8490] CPU: 0 PID: 8490 Comm: syz-executor372 Not tainted 5.10.0-rc7-syzkaller #0 [ 65.878518][ T8490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.889590][ T8490] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 65.895397][ T8490] Code: de e8 db 8c d2 f9 84 db 0f 85 b0 f8 ff ff e8 be 94 d2 f9 8b 74 24 08 48 c7 c7 c0 f7 51 8a c6 05 de 32 3b 05 01 e8 63 03 0f 01 <0f> 0b e9 8d f8 ff ff e8 9b 94 d2 f9 8b 14 24 48 c7 c7 80 f7 51 8a [ 65.915186][ T8490] RSP: 0018:ffffc90000f8f378 EFLAGS: 00010282 [ 65.921437][ T8490] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 65.929527][ T8490] RDX: ffff888023fe9a40 RSI: ffffffff8158c835 RDI: fffff520001f1e61 [ 65.937613][ T8490] RBP: 000000000000000c R08: 0000000000000001 R09: ffff8880b9e2011b [ 65.945714][ T8490] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 [ 65.953710][ T8490] R13: ffff8880188b00f8 R14: ffff88801328a140 R15: ffff888022341640 [ 65.961778][ T8490] FS: 0000000001447880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 65.970868][ T8490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.977560][ T8490] CR2: 0000000020000180 CR3: 000000001ca3c000 CR4: 00000000001506f0 [ 65.985670][ T8490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.993658][ T8490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.001700][ T8490] Call Trace: [ 66.005022][ T8490] ? xfrm_attr_cpy32+0x1d0/0x1d0 [ 66.010073][ T8490] xfrm_alloc_userspi+0x66a/0xa30 [ 66.015108][ T8490] ? __cgroup_bpf_query+0x700/0x7d0 [ 66.021260][ T8490] ? xfrm_send_report+0x510/0x510 [ 66.027142][ T8490] ? __nla_parse+0x3d/0x50 [ 66.031581][ T8490] ? xfrm_send_report+0x510/0x510 [ 66.037241][ T8490] xfrm_user_rcv_msg+0x42f/0x8b0 [ 66.042222][ T8490] ? xfrm_do_migrate+0x800/0x800 [ 66.047274][ T8490] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.053317][ T8490] ? __mutex_lock+0x626/0x10e0 [ 66.058222][ T8490] netlink_rcv_skb+0x153/0x420 [ 66.062999][ T8490] ? xfrm_do_migrate+0x800/0x800 [ 66.068061][ T8490] ? netlink_ack+0xaa0/0xaa0 [ 66.072676][ T8490] xfrm_netlink_rcv+0x6b/0x90 [ 66.077475][ T8490] netlink_unicast+0x533/0x7d0 [ 66.082250][ T8490] ? netlink_attachskb+0x810/0x810 [ 66.087483][ T8490] ? __phys_addr_symbol+0x2c/0x70 [ 66.092523][ T8490] ? __check_object_size+0x171/0x3f0 [ 66.097890][ T8490] netlink_sendmsg+0x856/0xd90 [ 66.102673][ T8490] ? netlink_unicast+0x7d0/0x7d0 [ 66.107729][ T8490] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 66.113037][ T8490] ? netlink_unicast+0x7d0/0x7d0 [ 66.119024][ T8490] sock_sendmsg+0xcf/0x120 [ 66.123464][ T8490] ____sys_sendmsg+0x331/0x810 [ 66.128523][ T8490] ? kernel_sendmsg+0x50/0x50 [ 66.133205][ T8490] ? do_recvmmsg+0x6c0/0x6c0 [ 66.137909][ T8490] ? __lock_acquire+0xbd6/0x5500 [ 66.142860][ T8490] ___sys_sendmsg+0xf3/0x170 [ 66.148405][ T8490] ? sendmsg_copy_msghdr+0x160/0x160 [ 66.153849][ T8490] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.160311][ T8490] ? release_pages+0x59b/0x1690 [ 66.165178][ T8490] ? lock_chain_count+0x20/0x20 [ 66.170718][ T8490] ? find_held_lock+0x2d/0x110 [ 66.175683][ T8490] ? do_huge_pmd_anonymous_page+0x12b3/0x2170 [ 66.181785][ T8490] ? lock_downgrade+0x6d0/0x6d0 [ 66.186775][ T8490] ? __fget_light+0x215/0x280 [ 66.191467][ T8490] __sys_sendmmsg+0x195/0x470 [ 66.196228][ T8490] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 66.201289][ T8490] ? sockfd_lookup_light+0xc6/0x180 [ 66.206608][ T8490] ? __sys_sendmsg+0x10c/0x1b0 [ 66.211393][ T8490] ? __sys_sendmsg_sock+0xb0/0xb0 [ 66.216506][ T8490] ? vmacache_update+0xce/0x140 [ 66.221427][ T8490] __x64_sys_sendmmsg+0x99/0x100 [ 66.226499][ T8490] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.232412][ T8490] do_syscall_64+0x2d/0x70 [ 66.236938][ T8490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.242855][ T8490] RIP: 0033:0x440339 [ 66.246868][ T8490] 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 [ 66.266733][ T8490] RSP: 002b:00007ffc12f49848 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 66.277903][ T8490] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440339 [ 66.286331][ T8490] RDX: 00000000000000f1 RSI: 0000000020000180 RDI: 0000000000000003 [ 66.294348][ T8490] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 66.302518][ T8490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b40 [ 66.310673][ T8490] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 66.318759][ T8490] Kernel panic - not syncing: panic_on_warn set ... [ 66.325362][ T8490] CPU: 0 PID: 8490 Comm: syz-executor372 Not tainted 5.10.0-rc7-syzkaller #0 [ 66.334117][ T8490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.344178][ T8490] Call Trace: [ 66.347470][ T8490] dump_stack+0x107/0x163 [ 66.352122][ T8490] panic+0x306/0x73d [ 66.356121][ T8490] ? __warn_printk+0xf3/0xf3 [ 66.360744][ T8490] ? __warn.cold+0x1a/0x44 [ 66.365146][ T8490] ? __warn+0xf1/0x210 [ 66.369205][ T8490] ? xfrm_alloc_compat+0xf39/0x10d0 [ 66.374402][ T8490] __warn.cold+0x35/0x44 [ 66.378685][ T8490] ? wake_up_klogd.part.0+0x8e/0xd0 [ 66.383881][ T8490] ? xfrm_alloc_compat+0xf39/0x10d0 [ 66.389109][ T8490] report_bug+0x1bd/0x210 [ 66.393442][ T8490] handle_bug+0x3c/0x60 [ 66.397662][ T8490] exc_invalid_op+0x14/0x40 [ 66.402168][ T8490] asm_exc_invalid_op+0x12/0x20 [ 66.407012][ T8490] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 [ 66.412810][ T8490] Code: de e8 db 8c d2 f9 84 db 0f 85 b0 f8 ff ff e8 be 94 d2 f9 8b 74 24 08 48 c7 c7 c0 f7 51 8a c6 05 de 32 3b 05 01 e8 63 03 0f 01 <0f> 0b e9 8d f8 ff ff e8 9b 94 d2 f9 8b 14 24 48 c7 c7 80 f7 51 8a [ 66.432418][ T8490] RSP: 0018:ffffc90000f8f378 EFLAGS: 00010282 [ 66.438492][ T8490] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 66.446570][ T8490] RDX: ffff888023fe9a40 RSI: ffffffff8158c835 RDI: fffff520001f1e61 [ 66.454539][ T8490] RBP: 000000000000000c R08: 0000000000000001 R09: ffff8880b9e2011b [ 66.462520][ T8490] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 [ 66.470489][ T8490] R13: ffff8880188b00f8 R14: ffff88801328a140 R15: ffff888022341640 [ 66.478479][ T8490] ? vprintk_func+0x95/0x1e0 [ 66.483074][ T8490] ? xfrm_alloc_compat+0xf39/0x10d0 [ 66.488271][ T8490] ? xfrm_attr_cpy32+0x1d0/0x1d0 [ 66.493214][ T8490] xfrm_alloc_userspi+0x66a/0xa30 [ 66.498235][ T8490] ? __cgroup_bpf_query+0x700/0x7d0 [ 66.503426][ T8490] ? xfrm_send_report+0x510/0x510 [ 66.508470][ T8490] ? __nla_parse+0x3d/0x50 [ 66.512884][ T8490] ? xfrm_send_report+0x510/0x510 [ 66.517917][ T8490] xfrm_user_rcv_msg+0x42f/0x8b0 [ 66.522853][ T8490] ? xfrm_do_migrate+0x800/0x800 [ 66.527783][ T8490] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.533774][ T8490] ? __mutex_lock+0x626/0x10e0 [ 66.538542][ T8490] netlink_rcv_skb+0x153/0x420 [ 66.543299][ T8490] ? xfrm_do_migrate+0x800/0x800 [ 66.548228][ T8490] ? netlink_ack+0xaa0/0xaa0 [ 66.552818][ T8490] xfrm_netlink_rcv+0x6b/0x90 [ 66.557483][ T8490] netlink_unicast+0x533/0x7d0 [ 66.562250][ T8490] ? netlink_attachskb+0x810/0x810 [ 66.567351][ T8490] ? __phys_addr_symbol+0x2c/0x70 [ 66.572381][ T8490] ? __check_object_size+0x171/0x3f0 [ 66.577678][ T8490] netlink_sendmsg+0x856/0xd90 [ 66.582459][ T8490] ? netlink_unicast+0x7d0/0x7d0 [ 66.587414][ T8490] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 66.592696][ T8490] ? netlink_unicast+0x7d0/0x7d0 [ 66.597632][ T8490] sock_sendmsg+0xcf/0x120 [ 66.602106][ T8490] ____sys_sendmsg+0x331/0x810 [ 66.606873][ T8490] ? kernel_sendmsg+0x50/0x50 [ 66.611538][ T8490] ? do_recvmmsg+0x6c0/0x6c0 [ 66.616162][ T8490] ? __lock_acquire+0xbd6/0x5500 [ 66.621126][ T8490] ___sys_sendmsg+0xf3/0x170 [ 66.625706][ T8490] ? sendmsg_copy_msghdr+0x160/0x160 [ 66.630986][ T8490] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.636974][ T8490] ? release_pages+0x59b/0x1690 [ 66.641834][ T8490] ? lock_chain_count+0x20/0x20 [ 66.646676][ T8490] ? find_held_lock+0x2d/0x110 [ 66.651431][ T8490] ? do_huge_pmd_anonymous_page+0x12b3/0x2170 [ 66.657490][ T8490] ? lock_downgrade+0x6d0/0x6d0 [ 66.662341][ T8490] ? __fget_light+0x215/0x280 [ 66.667013][ T8490] __sys_sendmmsg+0x195/0x470 [ 66.671682][ T8490] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 66.676807][ T8490] ? sockfd_lookup_light+0xc6/0x180 [ 66.681995][ T8490] ? __sys_sendmsg+0x10c/0x1b0 [ 66.686770][ T8490] ? __sys_sendmsg_sock+0xb0/0xb0 [ 66.691793][ T8490] ? vmacache_update+0xce/0x140 [ 66.696659][ T8490] __x64_sys_sendmmsg+0x99/0x100 [ 66.701635][ T8490] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.707523][ T8490] do_syscall_64+0x2d/0x70 [ 66.711932][ T8490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.717827][ T8490] RIP: 0033:0x440339 [ 66.721712][ T8490] 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 [ 66.741313][ T8490] RSP: 002b:00007ffc12f49848 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 66.749723][ T8490] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440339 [ 66.757704][ T8490] RDX: 00000000000000f1 RSI: 0000000020000180 RDI: 0000000000000003 [ 66.765672][ T8490] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 66.773652][ T8490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b40 [ 66.781646][ T8490] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 66.790210][ T8490] Kernel Offset: disabled [ 66.794635][ T8490] Rebooting in 86400 seconds..