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-1,10.128.0.10' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.110655] ------------[ cut here ]------------ [ 38.111364] WARNING: CPU: 1 PID: 3248 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.112547] Kernel panic - not syncing: panic_on_warn set ... [ 38.112547] [ 38.113524] CPU: 1 PID: 3248 Comm: syzkaller120101 Not tainted 4.9.56-ged0b958 #65 [ 38.114546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.115762] ffff8801cb09f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801cb09f2c8 [ 38.116900] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801cb09f2b8 [ 38.118034] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 38.119168] Call Trace: [ 38.119523] [] dump_stack+0xc1/0x128 [ 38.120246] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.121153] [] panic+0x1bc/0x3a8 [ 38.121815] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 38.122900] [] ? load_image_and_restore+0xf9/0xf9 [ 38.123835] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.124744] [] __warn+0x1c4/0x1e0 [ 38.125417] [] warn_slowpath_null+0x2c/0x40 [ 38.126201] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.127076] [] ? trace_hardirqs_on+0xd/0x10 [ 38.127872] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 38.128704] [] ? dst_release+0x71/0xd0 [ 38.129434] [] ? ip6_pol_route+0xb30/0x1c90 [ 38.130230] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 38.132786] [] ? get_page_from_freelist+0xd19/0x1a00 [ 38.139500] [] ? fib6_get_table+0x1c0/0x340 [ 38.145434] [] ? __might_sleep+0x95/0x1a0 [ 38.151193] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 38.157648] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 38.164100] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 38.170902] [] ? _raw_read_unlock_bh+0x30/0x40 [ 38.177095] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.184072] [] kmalloc_order+0x2a/0x70 [ 38.189571] [] kmalloc_order_trace+0x1f/0x190 [ 38.195677] [] __kmalloc+0x19d/0x310 [ 38.201006] [] ip6_setup_cork+0x194/0x1200 [ 38.206854] [] ? xfrm_lookup+0x400/0xbf0 [ 38.212530] [] ip6_make_skb+0x1b8/0x440 [ 38.218115] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 38.224568] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 38.231023] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.237129] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 38.243669] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.250642] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.257620] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 38.263727] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 38.269747] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 38.275853] [] udpv6_sendmsg+0x1b1d/0x2540 [ 38.281698] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.287802] [] ? udp_v6_rehash+0xa0/0xa0 [ 38.293476] [] ? udp_seq_next+0x80/0x80 [ 38.299063] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.306038] [] ? sock_has_perm+0x1c2/0x3e0 [ 38.311888] [] ? ip6_datagram_release_cb+0x87/0x470 [ 38.318514] [] ? release_sock+0x20/0x1c0 [ 38.324187] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 38.330901] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 38.337100] [] ? release_sock+0x14c/0x1c0 [ 38.342858] [] inet_sendmsg+0x2bc/0x4c0 [ 38.348444] [] ? inet_sendmsg+0x73/0x4c0 [ 38.354115] [] ? inet_recvmsg+0x4c0/0x4c0 [ 38.359873] [] sock_sendmsg+0xca/0x110 [ 38.365371] [] SYSC_sendto+0x2c8/0x340 [ 38.370868] [] ? SYSC_connect+0x310/0x310 [ 38.376628] [] ? __pmd_alloc+0x410/0x410 [ 38.382303] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 38.389368] [] ? __do_page_fault+0x61a/0xd70 [ 38.395387] [] ? __do_page_fault+0x3c6/0xd70 [ 38.401406] [] ? SyS_setsockopt+0x17f/0x250 [ 38.407338] [] ? mm_fault_error+0x2c0/0x2c0 [ 38.413272] [] SyS_sendto+0x40/0x50 [ 38.418512] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.425399] Dumping ftrace buffer: [ 38.428908] (ftrace buffer empty) [ 38.432582] Kernel Offset: disabled [ 38.436171] Rebooting in 86400 seconds..