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-0,10.128.0.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.891366] ------------[ cut here ]------------ [ 31.892114] WARNING: CPU: 1 PID: 3234 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.893335] Kernel panic - not syncing: panic_on_warn set ... [ 31.893335] [ 31.894300] CPU: 1 PID: 3234 Comm: syzkaller216621 Not tainted 4.9.53-g379e3b2 #59 [ 31.895322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.896540] ffff8801cb0e71f0 ffffffff81d93789 ffffffff83a46b40 ffff8801cb0e72c8 [ 31.897668] ffffffff83aa3b00 ffffffff8145241d 0000000000000009 ffff8801cb0e72b8 [ 31.898806] ffffffff8142eb71 0000000041b58ab3 ffffffff84185700 ffffffff8142e9b5 [ 31.899938] Call Trace: [ 31.900295] [] dump_stack+0xc1/0x128 [ 31.901015] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.901916] [] panic+0x1bc/0x3a8 [ 31.902581] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 31.903658] [] ? load_image_and_restore+0xf9/0xf9 [ 31.904510] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.905411] [] __warn+0x1c4/0x1e0 [ 31.906088] [] warn_slowpath_null+0x2c/0x40 [ 31.906873] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.907751] [] ? trace_hardirqs_on+0xd/0x10 [ 31.908536] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 31.909367] [] ? dst_release+0x71/0xd0 [ 31.910099] [] ? ip6_pol_route+0xb30/0x1c90 [ 31.910886] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 31.911761] [] ? get_page_from_freelist+0xd19/0x1a00 [ 31.918477] [] ? fib6_get_table+0x1c0/0x340 [ 31.924411] [] ? __might_sleep+0x95/0x1a0 [ 31.930171] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 31.936625] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 31.943083] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 31.949889] [] ? _raw_read_unlock_bh+0x30/0x40 [ 31.956085] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 31.963060] [] kmalloc_order+0x2a/0x70 [ 31.968562] [] kmalloc_order_trace+0x1f/0x190 [ 31.974669] [] __kmalloc+0x19d/0x310 [ 31.979997] [] ip6_setup_cork+0x194/0x1200 [ 31.985854] [] ? xfrm_lookup+0x400/0xbf0 [ 31.991529] [] ip6_make_skb+0x1b8/0x440 [ 31.997115] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 32.003569] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 32.010024] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 32.016134] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 32.022679] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.029657] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.036636] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 32.042745] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 32.048766] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 32.054875] [] udpv6_sendmsg+0x1b1d/0x2540 [ 32.060724] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 32.066833] [] ? udp_v6_rehash+0xa0/0xa0 [ 32.072508] [] ? udp_seq_next+0x80/0x80 [ 32.078096] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.085074] [] ? sock_has_perm+0x1c2/0x3e0 [ 32.090922] [] ? ip6_datagram_release_cb+0x87/0x470 [ 32.097551] [] ? release_sock+0x20/0x1c0 [ 32.103226] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 32.109947] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 32.116143] [] ? release_sock+0x14c/0x1c0 [ 32.121914] [] inet_sendmsg+0x2bc/0x4c0 [ 32.127500] [] ? inet_sendmsg+0x73/0x4c0 [ 32.133179] [] ? inet_recvmsg+0x4c0/0x4c0 [ 32.138945] [] sock_sendmsg+0xca/0x110 [ 32.144448] [] SYSC_sendto+0x2c8/0x340 [ 32.149952] [] ? SYSC_connect+0x310/0x310 [ 32.155713] [] ? __pmd_alloc+0x410/0x410 [ 32.161390] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 32.168455] [] ? __do_page_fault+0x61a/0xd70 [ 32.174476] [] ? __do_page_fault+0x3c6/0xd70 [ 32.180498] [] ? SyS_setsockopt+0x17f/0x250 [ 32.186434] [] ? mm_fault_error+0x2c0/0x2c0 [ 32.192369] [] SyS_sendto+0x40/0x50 [ 32.197615] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.204669] Dumping ftrace buffer: [ 32.208181] (ftrace buffer empty) [ 32.211860] Kernel Offset: disabled [ 32.215453] Rebooting in 86400 seconds..