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-1,10.128.0.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.579200] ------------[ cut here ]------------ [ 31.580038] WARNING: CPU: 0 PID: 3241 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.581258] Kernel panic - not syncing: panic_on_warn set ... [ 31.581258] [ 31.582225] CPU: 0 PID: 3241 Comm: syzkaller629099 Not tainted 4.9.56-ged0b958 #65 [ 31.583241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.584463] ffff8801d139f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801d139f2c8 [ 31.585597] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801d139f2b8 [ 31.586738] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 31.587891] Call Trace: [ 31.588244] [] dump_stack+0xc1/0x128 [ 31.588971] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.589869] [] panic+0x1bc/0x3a8 [ 31.590534] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 31.591610] [] ? load_image_and_restore+0xf9/0xf9 [ 31.592465] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.593363] [] __warn+0x1c4/0x1e0 [ 31.594038] [] warn_slowpath_null+0x2c/0x40 [ 31.594823] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 31.595699] [] ? trace_hardirqs_on+0xd/0x10 [ 31.596496] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 31.597339] [] ? dst_release+0x71/0xd0 [ 31.598070] [] ? ip6_pol_route+0xb30/0x1c90 [ 31.598856] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 31.602484] [] ? get_page_from_freelist+0xd19/0x1a00 [ 31.609202] [] ? fib6_get_table+0x1c0/0x340 [ 31.615140] [] ? __might_sleep+0x95/0x1a0 [ 31.620902] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 31.627359] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 31.633817] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 31.640627] [] ? _raw_read_unlock_bh+0x30/0x40 [ 31.646828] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 31.653808] [] kmalloc_order+0x2a/0x70 [ 31.659309] [] kmalloc_order_trace+0x1f/0x190 [ 31.665417] [] __kmalloc+0x19d/0x310 [ 31.670746] [] ip6_setup_cork+0x194/0x1200 [ 31.676595] [] ? xfrm_lookup+0x400/0xbf0 [ 31.682270] [] ip6_make_skb+0x1b8/0x440 [ 31.687859] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 31.694315] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 31.700772] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 31.706880] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 31.713423] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 31.720399] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 31.727377] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 31.733486] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 31.739506] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 31.745616] [] udpv6_sendmsg+0x1b1d/0x2540 [ 31.751462] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 31.757572] [] ? udp_v6_rehash+0xa0/0xa0 [ 31.763249] [] ? udp_seq_next+0x80/0x80 [ 31.768854] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 31.775832] [] ? sock_has_perm+0x1c2/0x3e0 [ 31.781683] [] ? ip6_datagram_release_cb+0x87/0x470 [ 31.788312] [] ? release_sock+0x20/0x1c0 [ 31.793985] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 31.800706] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 31.806900] [] ? release_sock+0x14c/0x1c0 [ 31.812663] [] inet_sendmsg+0x2bc/0x4c0 [ 31.818249] [] ? inet_sendmsg+0x73/0x4c0 [ 31.823923] [] ? inet_recvmsg+0x4c0/0x4c0 [ 31.829683] [] sock_sendmsg+0xca/0x110 [ 31.835183] [] SYSC_sendto+0x2c8/0x340 [ 31.840684] [] ? SYSC_connect+0x310/0x310 [ 31.846449] [] ? __pmd_alloc+0x410/0x410 [ 31.852123] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 31.859189] [] ? __do_page_fault+0x61a/0xd70 [ 31.865211] [] ? __do_page_fault+0x3c6/0xd70 [ 31.871233] [] ? SyS_setsockopt+0x17f/0x250 [ 31.877167] [] ? mm_fault_error+0x2c0/0x2c0 [ 31.883101] [] SyS_sendto+0x40/0x50 [ 31.888344] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 31.895199] Dumping ftrace buffer: [ 31.898705] (ftrace buffer empty) [ 31.902382] Kernel Offset: disabled [ 31.905973] Rebooting in 86400 seconds..