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-5,10.128.0.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.971581] ------------[ cut here ]------------ [ 43.972355] WARNING: CPU: 1 PID: 3260 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 43.973581] Kernel panic - not syncing: panic_on_warn set ... [ 43.973581] [ 43.974570] CPU: 1 PID: 3260 Comm: syzkaller670108 Not tainted 4.9.56-ged0b958 #65 [ 43.975638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.976913] ffff8801c40871f0 ffffffff81d93999 ffffffff83a46b40 ffff8801c40872c8 [ 43.978066] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801c40872b8 [ 43.979200] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 43.980341] Call Trace: [ 43.980695] [] dump_stack+0xc1/0x128 [ 43.981436] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 43.982353] [] panic+0x1bc/0x3a8 [ 43.983016] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 43.984109] [] ? load_image_and_restore+0xf9/0xf9 [ 43.984960] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 43.985876] [] __warn+0x1c4/0x1e0 [ 43.986551] [] warn_slowpath_null+0x2c/0x40 [ 43.987352] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 43.988228] [] ? trace_hardirqs_on+0xd/0x10 [ 43.989048] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 43.989897] [] ? dst_release+0x71/0xd0 [ 43.990631] [] ? ip6_pol_route+0xb30/0x1c90 [ 43.991417] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 43.992291] [] ? get_page_from_freelist+0xd19/0x1a00 [ 43.999007] [] ? fib6_get_table+0x1c0/0x340 [ 44.004946] [] ? __might_sleep+0x95/0x1a0 [ 44.010708] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 44.017168] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 44.023626] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 44.030431] [] ? _raw_read_unlock_bh+0x30/0x40 [ 44.036631] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.043609] [] kmalloc_order+0x2a/0x70 [ 44.049112] [] kmalloc_order_trace+0x1f/0x190 [ 44.055222] [] __kmalloc+0x19d/0x310 [ 44.060639] [] ip6_setup_cork+0x194/0x1200 [ 44.066489] [] ? xfrm_lookup+0x400/0xbf0 [ 44.072165] [] ip6_make_skb+0x1b8/0x440 [ 44.077754] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 44.084210] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 44.090669] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 44.096779] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 44.103324] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.110300] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.117276] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 44.123386] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 44.129406] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 44.135516] [] udpv6_sendmsg+0x1b1d/0x2540 [ 44.141364] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 44.147472] [] ? udp_v6_rehash+0xa0/0xa0 [ 44.153149] [] ? udp_seq_next+0x80/0x80 [ 44.158738] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.165799] [] ? sock_has_perm+0x1c2/0x3e0 [ 44.171650] [] ? ip6_datagram_release_cb+0x87/0x470 [ 44.178278] [] ? release_sock+0x20/0x1c0 [ 44.183951] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 44.190670] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 44.196862] [] ? release_sock+0x14c/0x1c0 [ 44.202627] [] inet_sendmsg+0x2bc/0x4c0 [ 44.208213] [] ? inet_sendmsg+0x73/0x4c0 [ 44.213886] [] ? inet_recvmsg+0x4c0/0x4c0 [ 44.219646] [] sock_sendmsg+0xca/0x110 [ 44.225146] [] SYSC_sendto+0x2c8/0x340 [ 44.230645] [] ? SYSC_connect+0x310/0x310 [ 44.236405] [] ? __pmd_alloc+0x410/0x410 [ 44.242079] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 44.249143] [] ? __do_page_fault+0x61a/0xd70 [ 44.255166] [] ? __do_page_fault+0x3c6/0xd70 [ 44.261192] [] ? SyS_setsockopt+0x17f/0x250 [ 44.267125] [] ? mm_fault_error+0x2c0/0x2c0 [ 44.273059] [] SyS_sendto+0x40/0x50 [ 44.278301] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 44.284878] Dumping ftrace buffer: [ 44.288384] (ftrace buffer empty) [ 44.292059] Kernel Offset: disabled [ 44.295650] Rebooting in 86400 seconds..