INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-9,10.128.0.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.572327] ------------[ cut here ]------------ [ 38.573042] WARNING: CPU: 0 PID: 3245 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.574227] Kernel panic - not syncing: panic_on_warn set ... [ 38.574227] [ 38.575214] CPU: 0 PID: 3245 Comm: syzkaller576520 Not tainted 4.9.56-g5c73594 #66 [ 38.577239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.578459] ffff8801c962f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801c962f2c8 [ 38.580081] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801c962f2b8 [ 38.581237] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 38.582384] Call Trace: [ 38.582775] [] dump_stack+0xc1/0x128 [ 38.583530] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.584464] [] panic+0x1bc/0x3a8 [ 38.585159] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 38.586234] [] ? load_image_and_restore+0xf9/0xf9 [ 38.587088] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.587992] [] __warn+0x1c4/0x1e0 [ 38.588683] [] warn_slowpath_null+0x2c/0x40 [ 38.589470] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.590365] [] ? trace_hardirqs_on+0xd/0x10 [ 38.591153] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 38.591984] [] ? dst_release+0x71/0xd0 [ 38.594709] [] ? ip6_pol_route+0xb30/0x1c90 [ 38.600646] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 38.607279] [] ? get_page_from_freelist+0xd19/0x1a00 [ 38.614001] [] ? fib6_get_table+0x1c0/0x340 [ 38.619944] [] ? __might_sleep+0x95/0x1a0 [ 38.625890] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 38.632350] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 38.638906] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 38.645718] [] ? _raw_read_unlock_bh+0x30/0x40 [ 38.651924] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.658909] [] kmalloc_order+0x2a/0x70 [ 38.664414] [] kmalloc_order_trace+0x1f/0x190 [ 38.670527] [] __kmalloc+0x19d/0x310 [ 38.675860] [] ip6_setup_cork+0x194/0x1200 [ 38.682207] [] ? xfrm_lookup+0x400/0xbf0 [ 38.687900] [] ip6_make_skb+0x1b8/0x440 [ 38.693490] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 38.699952] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 38.706412] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.712524] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 38.719067] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.726044] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.733021] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 38.739131] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 38.745152] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 38.751270] [] udpv6_sendmsg+0x1b1d/0x2540 [ 38.757119] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.763228] [] ? udp_v6_rehash+0xa0/0xa0 [ 38.768901] [] ? udp_seq_next+0x80/0x80 [ 38.774491] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.781471] [] ? sock_has_perm+0x1c2/0x3e0 [ 38.787319] [] ? ip6_datagram_release_cb+0x87/0x470 [ 38.793951] [] ? release_sock+0x20/0x1c0 [ 38.799627] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 38.806347] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 38.812541] [] ? release_sock+0x14c/0x1c0 [ 38.818304] [] inet_sendmsg+0x2bc/0x4c0 [ 38.823889] [] ? inet_sendmsg+0x73/0x4c0 [ 38.829561] [] ? inet_recvmsg+0x4c0/0x4c0 [ 38.835319] [] sock_sendmsg+0xca/0x110 [ 38.840817] [] SYSC_sendto+0x2c8/0x340 [ 38.846316] [] ? SYSC_connect+0x310/0x310 [ 38.852076] [] ? __pmd_alloc+0x410/0x410 [ 38.857753] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 38.864818] [] ? __do_page_fault+0x61a/0xd70 [ 38.870840] [] ? __do_page_fault+0x3c6/0xd70 [ 38.876861] [] ? SyS_setsockopt+0x17f/0x250 [ 38.882794] [] ? mm_fault_error+0x2c0/0x2c0 [ 38.888729] [] SyS_sendto+0x40/0x50 [ 38.893969] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.900840] Dumping ftrace buffer: [ 38.904343] (ftrace buffer empty) [ 38.908018] Kernel Offset: disabled [ 38.911608] Rebooting in 86400 seconds..