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-1,10.128.0.50' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.485385] ------------[ cut here ]------------ [ 51.486120] WARNING: CPU: 1 PID: 3253 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.487320] Kernel panic - not syncing: panic_on_warn set ... [ 51.487320] [ 51.488315] CPU: 1 PID: 3253 Comm: syzkaller766307 Not tainted 4.9.56-ged0b958 #65 [ 51.489323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.490562] ffff8801cc4971f0 ffffffff81d93999 ffffffff83a46b40 ffff8801cc4972c8 [ 51.491732] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801cc4972b8 [ 51.492869] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 51.494009] Call Trace: [ 51.494363] [] dump_stack+0xc1/0x128 [ 51.495069] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.495970] [] panic+0x1bc/0x3a8 [ 51.496644] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 51.497717] [] ? load_image_and_restore+0xf9/0xf9 [ 51.498610] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.499530] [] __warn+0x1c4/0x1e0 [ 51.500218] [] warn_slowpath_null+0x2c/0x40 [ 51.501002] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.501877] [] ? trace_hardirqs_on+0xd/0x10 [ 51.502661] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 51.503503] [] ? dst_release+0x71/0xd0 [ 51.504260] [] ? ip6_pol_route+0xb30/0x1c90 [ 51.505066] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 51.508999] [] ? get_page_from_freelist+0xd19/0x1a00 [ 51.515714] [] ? fib6_get_table+0x1c0/0x340 [ 51.521650] [] ? __might_sleep+0x95/0x1a0 [ 51.527411] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 51.533866] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 51.540323] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 51.547127] [] ? _raw_read_unlock_bh+0x30/0x40 [ 51.553319] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.560301] [] kmalloc_order+0x2a/0x70 [ 51.565801] [] kmalloc_order_trace+0x1f/0x190 [ 51.571909] [] __kmalloc+0x19d/0x310 [ 51.577238] [] ip6_setup_cork+0x194/0x1200 [ 51.583100] [] ? xfrm_lookup+0x400/0xbf0 [ 51.588774] [] ip6_make_skb+0x1b8/0x440 [ 51.594360] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 51.600812] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 51.607269] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.613382] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 51.619924] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.626901] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.633876] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 51.639987] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 51.646012] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 51.652119] [] udpv6_sendmsg+0x1b1d/0x2540 [ 51.657967] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.664076] [] ? udp_v6_rehash+0xa0/0xa0 [ 51.669755] [] ? udp_seq_next+0x80/0x80 [ 51.675342] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.682317] [] ? sock_has_perm+0x1c2/0x3e0 [ 51.688168] [] ? ip6_datagram_release_cb+0x87/0x470 [ 51.694796] [] ? release_sock+0x20/0x1c0 [ 51.700469] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 51.707185] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.713379] [] ? release_sock+0x14c/0x1c0 [ 51.719142] [] inet_sendmsg+0x2bc/0x4c0 [ 51.724727] [] ? inet_sendmsg+0x73/0x4c0 [ 51.730398] [] ? inet_recvmsg+0x4c0/0x4c0 [ 51.736158] [] sock_sendmsg+0xca/0x110 [ 51.741656] [] SYSC_sendto+0x2c8/0x340 [ 51.747153] [] ? SYSC_connect+0x310/0x310 [ 51.752921] [] ? __pmd_alloc+0x410/0x410 [ 51.758595] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 51.765661] [] ? __do_page_fault+0x61a/0xd70 [ 51.771678] [] ? __do_page_fault+0x3c6/0xd70 [ 51.777699] [] ? SyS_setsockopt+0x17f/0x250 [ 51.783633] [] ? mm_fault_error+0x2c0/0x2c0 [ 51.789566] [] SyS_sendto+0x40/0x50 [ 51.794805] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 51.801705] Dumping ftrace buffer: [ 51.805208] (ftrace buffer empty) [ 51.808886] Kernel Offset: disabled [ 51.812479] Rebooting in 86400 seconds..