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-5,10.128.0.12' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.438091] ------------[ cut here ]------------ [ 32.438842] WARNING: CPU: 0 PID: 3244 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 32.440037] Kernel panic - not syncing: panic_on_warn set ... [ 32.440037] [ 32.441001] CPU: 0 PID: 3244 Comm: syzkaller611428 Not tainted 4.9.56-g5c73594 #66 [ 32.442107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.443387] ffff8801c9a9f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801c9a9f2c8 [ 32.444516] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801c9a9f2b8 [ 32.445705] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 32.446842] Call Trace: [ 32.447202] [] dump_stack+0xc1/0x128 [ 32.447929] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 32.448854] [] panic+0x1bc/0x3a8 [ 32.449516] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 32.450607] [] ? load_image_and_restore+0xf9/0xf9 [ 32.451470] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 32.452379] [] __warn+0x1c4/0x1e0 [ 32.453065] [] warn_slowpath_null+0x2c/0x40 [ 32.453866] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 32.454747] [] ? trace_hardirqs_on+0xd/0x10 [ 32.455533] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 32.456365] [] ? dst_release+0x71/0xd0 [ 32.457096] [] ? ip6_pol_route+0xb30/0x1c90 [ 32.457881] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 32.458754] [] ? get_page_from_freelist+0xd19/0x1a00 [ 32.465477] [] ? fib6_get_table+0x1c0/0x340 [ 32.471413] [] ? __might_sleep+0x95/0x1a0 [ 32.477174] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 32.483630] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 32.490085] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 32.496888] [] ? _raw_read_unlock_bh+0x30/0x40 [ 32.503084] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.510060] [] kmalloc_order+0x2a/0x70 [ 32.515560] [] kmalloc_order_trace+0x1f/0x190 [ 32.521666] [] __kmalloc+0x19d/0x310 [ 32.526992] [] ip6_setup_cork+0x194/0x1200 [ 32.532838] [] ? xfrm_lookup+0x400/0xbf0 [ 32.538510] [] ip6_make_skb+0x1b8/0x440 [ 32.544097] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 32.550553] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 32.557009] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 32.563114] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 32.569657] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.576636] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.583612] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 32.589721] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 32.595739] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 32.601848] [] udpv6_sendmsg+0x1b1d/0x2540 [ 32.607693] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 32.613797] [] ? udp_v6_rehash+0xa0/0xa0 [ 32.619472] [] ? udp_seq_next+0x80/0x80 [ 32.625056] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 32.632030] [] ? sock_has_perm+0x1c2/0x3e0 [ 32.637879] [] ? ip6_datagram_release_cb+0x87/0x470 [ 32.644507] [] ? release_sock+0x20/0x1c0 [ 32.650182] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 32.656897] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 32.663089] [] ? release_sock+0x14c/0x1c0 [ 32.668851] [] inet_sendmsg+0x2bc/0x4c0 [ 32.674435] [] ? inet_sendmsg+0x73/0x4c0 [ 32.680107] [] ? inet_recvmsg+0x4c0/0x4c0 [ 32.685869] [] sock_sendmsg+0xca/0x110 [ 32.691366] [] SYSC_sendto+0x2c8/0x340 [ 32.696864] [] ? SYSC_connect+0x310/0x310 [ 32.702629] [] ? __pmd_alloc+0x410/0x410 [ 32.708302] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 32.715366] [] ? __do_page_fault+0x61a/0xd70 [ 32.721385] [] ? __do_page_fault+0x3c6/0xd70 [ 32.727405] [] ? SyS_setsockopt+0x17f/0x250 [ 32.733338] [] ? mm_fault_error+0x2c0/0x2c0 [ 32.739273] [] SyS_sendto+0x40/0x50 [ 32.744514] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.751386] Dumping ftrace buffer: [ 32.754889] (ftrace buffer empty) [ 32.758564] Kernel Offset: disabled [ 32.762157] Rebooting in 86400 seconds..