[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.830722][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 67.870198][ T8487] ------------[ cut here ]------------ [ 67.875875][ T8487] WARNING: CPU: 1 PID: 8487 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x5f8/0x730 [ 67.885720][ T8487] Modules linked in: [ 67.889627][ T8487] CPU: 1 PID: 8487 Comm: syz-executor509 Not tainted 5.11.0-rc2-syzkaller #0 [ 67.898506][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.908675][ T8487] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 67.914929][ T8487] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 67.934782][ T8487] RSP: 0018:ffffc9000c676e58 EFLAGS: 00010246 [ 67.940855][ T8487] RAX: 0000000000000000 RBX: 1ffff920018cedcf RCX: 0000000000000000 [ 67.948880][ T8487] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 67.957042][ T8487] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 67.965073][ T8487] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 000000000000001b [ 67.973065][ T8487] R13: 000000000000001b R14: 0000000000000000 R15: ffff8880265e8000 [ 67.981101][ T8487] FS: 0000000002160880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 67.990114][ T8487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.996770][ T8487] CR2: 0000000020000280 CR3: 0000000017965000 CR4: 00000000001506e0 [ 68.004800][ T8487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.012772][ T8487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.020806][ T8487] Call Trace: [ 68.024161][ T8487] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 68.030927][ T8487] ? fs_reclaim_release+0x9c/0xe0 [ 68.036039][ T8487] alloc_pages_current+0x18c/0x2a0 [ 68.041250][ T8487] kmalloc_order+0x2e/0xb0 [ 68.045955][ T8487] kmalloc_order_trace+0x14/0x120 [ 68.050993][ T8487] tcindex_alloc_perfect_hash+0x57/0x440 [ 68.056712][ T8487] tcindex_set_parms+0x1a87/0x20d0 [ 68.061840][ T8487] ? tcindex_alloc_perfect_hash+0x440/0x440 [ 68.067793][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.074119][ T8487] ? __nla_validate_parse+0x2d3/0x2ae0 [ 68.079602][ T8487] ? find_held_lock+0x2d/0x110 [ 68.084419][ T8487] ? tcindex_change+0x1b7/0x320 [ 68.089280][ T8487] tcindex_change+0x212/0x320 [ 68.094068][ T8487] ? tcindex_set_parms+0x20d0/0x20d0 [ 68.099370][ T8487] tc_new_tfilter+0x1394/0x2120 [ 68.104320][ T8487] ? tcindex_set_parms+0x20d0/0x20d0 [ 68.109622][ T8487] ? tc_del_tfilter+0x15b0/0x15b0 [ 68.114770][ T8487] ? tc_del_tfilter+0x15b0/0x15b0 [ 68.119804][ T8487] rtnetlink_rcv_msg+0x80e/0xad0 [ 68.124807][ T8487] ? rtnetlink_put_metrics+0x510/0x510 [ 68.130314][ T8487] netlink_rcv_skb+0x153/0x420 [ 68.135147][ T8487] ? rtnetlink_put_metrics+0x510/0x510 [ 68.140630][ T8487] ? netlink_ack+0xaa0/0xaa0 [ 68.145287][ T8487] ? netlink_deliver_tap+0x227/0xb70 [ 68.150591][ T8487] netlink_unicast+0x533/0x7d0 [ 68.155432][ T8487] ? netlink_attachskb+0x870/0x870 [ 68.160552][ T8487] ? _copy_from_iter_full+0x275/0x850 [ 68.165975][ T8487] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.172234][ T8487] ? __phys_addr_symbol+0x2c/0x70 [ 68.177327][ T8487] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.183055][ T8487] ? __check_object_size+0x171/0x3f0 [ 68.188396][ T8487] netlink_sendmsg+0x856/0xd90 [ 68.193176][ T8487] ? netlink_unicast+0x7d0/0x7d0 [ 68.198192][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.204607][ T8487] ? netlink_unicast+0x7d0/0x7d0 [ 68.209562][ T8487] sock_sendmsg+0xcf/0x120 [ 68.214158][ T8487] ____sys_sendmsg+0x331/0x810 [ 68.218929][ T8487] ? kernel_sendmsg+0x50/0x50 [ 68.223600][ T8487] ? do_recvmmsg+0x6c0/0x6c0 [ 68.228265][ T8487] ? __lock_acquire+0x16b7/0x5500 [ 68.233314][ T8487] ___sys_sendmsg+0xf3/0x170 [ 68.238134][ T8487] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.243461][ T8487] ? find_held_lock+0x2d/0x110 [ 68.248310][ T8487] ? __might_fault+0xd3/0x180 [ 68.253018][ T8487] ? lock_downgrade+0x6d0/0x6d0 [ 68.257960][ T8487] __sys_sendmmsg+0x195/0x470 [ 68.262655][ T8487] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 68.267756][ T8487] ? find_held_lock+0x2d/0x110 [ 68.272540][ T8487] ? alloc_file_pseudo+0x1/0x250 [ 68.277568][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.283893][ T8487] ? fd_install+0x215/0x640 [ 68.288450][ T8487] ? __sys_socket+0x16d/0x200 [ 68.293141][ T8487] __x64_sys_sendmmsg+0x99/0x100 [ 68.298168][ T8487] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.304167][ T8487] do_syscall_64+0x2d/0x70 [ 68.308597][ T8487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.314635][ T8487] RIP: 0033:0x440ce9 [ 68.318531][ T8487] 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 0b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.338446][ T8487] RSP: 002b:00007ffdef9e98b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 68.346967][ T8487] RAX: ffffffffffffffda RBX: 00000000004a24d0 RCX: 0000000000440ce9 [ 68.355209][ T8487] RDX: 04924924924926d3 RSI: 0000000020000200 RDI: 0000000000000004 [ 68.363175][ T8487] RBP: 00007ffdef9e98c0 R08: 0000000120080522 R09: 0000000120080522 [ 68.371193][ T8487] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004a24d0 [ 68.379259][ T8487] R13: 0000000000402210 R14: 0000000000000000 R15: 0000000000000000 [ 68.387302][ T8487] Kernel panic - not syncing: panic_on_warn set ... [ 68.393883][ T8487] CPU: 1 PID: 8487 Comm: syz-executor509 Not tainted 5.11.0-rc2-syzkaller #0 [ 68.402655][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.412694][ T8487] Call Trace: [ 68.415958][ T8487] dump_stack+0x107/0x163 [ 68.420278][ T8487] panic+0x306/0x73d [ 68.424156][ T8487] ? __warn_printk+0xf3/0xf3 [ 68.428735][ T8487] ? __warn.cold+0x1a/0x44 [ 68.433135][ T8487] ? __alloc_pages_nodemask+0x5f8/0x730 [ 68.438667][ T8487] __warn.cold+0x35/0x44 [ 68.442894][ T8487] ? __alloc_pages_nodemask+0x5f8/0x730 [ 68.448433][ T8487] report_bug+0x1bd/0x210 [ 68.452751][ T8487] handle_bug+0x3c/0x60 [ 68.456897][ T8487] exc_invalid_op+0x14/0x40 [ 68.461389][ T8487] asm_exc_invalid_op+0x12/0x20 [ 68.466223][ T8487] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 68.472363][ T8487] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 68.491954][ T8487] RSP: 0018:ffffc9000c676e58 EFLAGS: 00010246 [ 68.498004][ T8487] RAX: 0000000000000000 RBX: 1ffff920018cedcf RCX: 0000000000000000 [ 68.505967][ T8487] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 68.513918][ T8487] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 68.521868][ T8487] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 000000000000001b [ 68.529819][ T8487] R13: 000000000000001b R14: 0000000000000000 R15: ffff8880265e8000 [ 68.537775][ T8487] ? policy_node+0xe1/0x140 [ 68.542445][ T8487] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 68.549197][ T8487] ? fs_reclaim_release+0x9c/0xe0 [ 68.554211][ T8487] alloc_pages_current+0x18c/0x2a0 [ 68.559307][ T8487] kmalloc_order+0x2e/0xb0 [ 68.563704][ T8487] kmalloc_order_trace+0x14/0x120 [ 68.568721][ T8487] tcindex_alloc_perfect_hash+0x57/0x440 [ 68.574357][ T8487] tcindex_set_parms+0x1a87/0x20d0 [ 68.579472][ T8487] ? tcindex_alloc_perfect_hash+0x440/0x440 [ 68.585353][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.591582][ T8487] ? __nla_validate_parse+0x2d3/0x2ae0 [ 68.597035][ T8487] ? find_held_lock+0x2d/0x110 [ 68.601804][ T8487] ? tcindex_change+0x1b7/0x320 [ 68.606643][ T8487] tcindex_change+0x212/0x320 [ 68.611308][ T8487] ? tcindex_set_parms+0x20d0/0x20d0 [ 68.616585][ T8487] tc_new_tfilter+0x1394/0x2120 [ 68.621423][ T8487] ? tcindex_set_parms+0x20d0/0x20d0 [ 68.626696][ T8487] ? tc_del_tfilter+0x15b0/0x15b0 [ 68.631737][ T8487] ? tc_del_tfilter+0x15b0/0x15b0 [ 68.636742][ T8487] rtnetlink_rcv_msg+0x80e/0xad0 [ 68.641667][ T8487] ? rtnetlink_put_metrics+0x510/0x510 [ 68.647118][ T8487] netlink_rcv_skb+0x153/0x420 [ 68.651868][ T8487] ? rtnetlink_put_metrics+0x510/0x510 [ 68.657309][ T8487] ? netlink_ack+0xaa0/0xaa0 [ 68.661883][ T8487] ? netlink_deliver_tap+0x227/0xb70 [ 68.667159][ T8487] netlink_unicast+0x533/0x7d0 [ 68.671908][ T8487] ? netlink_attachskb+0x870/0x870 [ 68.677002][ T8487] ? _copy_from_iter_full+0x275/0x850 [ 68.682367][ T8487] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.688606][ T8487] ? __phys_addr_symbol+0x2c/0x70 [ 68.693616][ T8487] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.699316][ T8487] ? __check_object_size+0x171/0x3f0 [ 68.704595][ T8487] netlink_sendmsg+0x856/0xd90 [ 68.709346][ T8487] ? netlink_unicast+0x7d0/0x7d0 [ 68.714274][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.720497][ T8487] ? netlink_unicast+0x7d0/0x7d0 [ 68.725429][ T8487] sock_sendmsg+0xcf/0x120 [ 68.729841][ T8487] ____sys_sendmsg+0x331/0x810 [ 68.734589][ T8487] ? kernel_sendmsg+0x50/0x50 [ 68.739246][ T8487] ? do_recvmmsg+0x6c0/0x6c0 [ 68.743821][ T8487] ? __lock_acquire+0x16b7/0x5500 [ 68.748833][ T8487] ___sys_sendmsg+0xf3/0x170 [ 68.753405][ T8487] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.758683][ T8487] ? find_held_lock+0x2d/0x110 [ 68.763431][ T8487] ? __might_fault+0xd3/0x180 [ 68.768089][ T8487] ? lock_downgrade+0x6d0/0x6d0 [ 68.772936][ T8487] __sys_sendmmsg+0x195/0x470 [ 68.777620][ T8487] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 68.782626][ T8487] ? find_held_lock+0x2d/0x110 [ 68.787377][ T8487] ? alloc_file_pseudo+0x1/0x250 [ 68.792305][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.798527][ T8487] ? fd_install+0x215/0x640 [ 68.803014][ T8487] ? __sys_socket+0x16d/0x200 [ 68.807680][ T8487] __x64_sys_sendmmsg+0x99/0x100 [ 68.812601][ T8487] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.818476][ T8487] do_syscall_64+0x2d/0x70 [ 68.822872][ T8487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.828749][ T8487] RIP: 0033:0x440ce9 [ 68.832625][ T8487] 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 0b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.852220][ T8487] RSP: 002b:00007ffdef9e98b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 68.860625][ T8487] RAX: ffffffffffffffda RBX: 00000000004a24d0 RCX: 0000000000440ce9 [ 68.868586][ T8487] RDX: 04924924924926d3 RSI: 0000000020000200 RDI: 0000000000000004 [ 68.876549][ T8487] RBP: 00007ffdef9e98c0 R08: 0000000120080522 R09: 0000000120080522 [ 68.884512][ T8487] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004a24d0 [ 68.892465][ T8487] R13: 0000000000402210 R14: 0000000000000000 R15: 0000000000000000 [ 68.901198][ T8487] Kernel Offset: disabled [ 68.905603][ T8487] Rebooting in 86400 seconds..