INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-5,10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.247187] ------------[ cut here ]------------ [ 58.247947] WARNING: CPU: 0 PID: 3254 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 58.249148] Kernel panic - not syncing: panic_on_warn set ... [ 58.249148] [ 58.250113] CPU: 0 PID: 3254 Comm: syzkaller004660 Not tainted 4.9.56-ged0b958 #65 [ 58.251118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.252335] ffff8801c7dd71f0 ffffffff81d93999 ffffffff83a46b40 ffff8801c7dd72c8 [ 58.253476] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801c7dd72b8 [ 58.254598] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 58.255727] Call Trace: [ 58.256081] [] dump_stack+0xc1/0x128 [ 58.256791] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 58.257687] [] panic+0x1bc/0x3a8 [ 58.258349] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 58.259428] [] ? load_image_and_restore+0xf9/0xf9 [ 58.260296] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 58.261194] [] __warn+0x1c4/0x1e0 [ 58.261867] [] warn_slowpath_null+0x2c/0x40 [ 58.262654] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 58.263530] [] ? trace_hardirqs_on+0xd/0x10 [ 58.264316] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 58.265195] [] ? dst_release+0x71/0xd0 [ 58.265928] [] ? ip6_pol_route+0xb30/0x1c90 [ 58.266717] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 58.267591] [] ? get_page_from_freelist+0xd19/0x1a00 [ 58.274311] [] ? fib6_get_table+0x1c0/0x340 [ 58.280247] [] ? __might_sleep+0x95/0x1a0 [ 58.286009] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 58.292467] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 58.298921] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 58.305725] [] ? _raw_read_unlock_bh+0x30/0x40 [ 58.311922] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.318902] [] kmalloc_order+0x2a/0x70 [ 58.324401] [] kmalloc_order_trace+0x1f/0x190 [ 58.330510] [] __kmalloc+0x19d/0x310 [ 58.335840] [] ip6_setup_cork+0x194/0x1200 [ 58.341687] [] ? xfrm_lookup+0x400/0xbf0 [ 58.347358] [] ip6_make_skb+0x1b8/0x440 [ 58.352946] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 58.359402] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 58.365856] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 58.371962] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 58.378506] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.385483] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.392458] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 58.398564] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 58.404583] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 58.410692] [] udpv6_sendmsg+0x1b1d/0x2540 [ 58.416543] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 58.422653] [] ? udp_v6_rehash+0xa0/0xa0 [ 58.428326] [] ? udp_seq_next+0x80/0x80 [ 58.433919] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 58.440902] [] ? sock_has_perm+0x1c2/0x3e0 [ 58.446763] [] ? ip6_datagram_release_cb+0x87/0x470 [ 58.453392] [] ? release_sock+0x20/0x1c0 [ 58.459068] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 58.465784] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.471980] [] ? release_sock+0x14c/0x1c0 [ 58.477740] [] inet_sendmsg+0x2bc/0x4c0 [ 58.483325] [] ? inet_sendmsg+0x73/0x4c0 [ 58.488996] [] ? inet_recvmsg+0x4c0/0x4c0 [ 58.494758] [] sock_sendmsg+0xca/0x110 [ 58.500260] [] SYSC_sendto+0x2c8/0x340 [ 58.505760] [] ? SYSC_connect+0x310/0x310 [ 58.511523] [] ? __pmd_alloc+0x410/0x410 [ 58.517199] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 58.524262] [] ? __do_page_fault+0x61a/0xd70 [ 58.530288] [] ? __do_page_fault+0x3c6/0xd70 [ 58.536309] [] ? SyS_setsockopt+0x17f/0x250 [ 58.542241] [] ? mm_fault_error+0x2c0/0x2c0 [ 58.548178] [] SyS_sendto+0x40/0x50 [ 58.553420] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 58.560315] Dumping ftrace buffer: [ 58.563828] (ftrace buffer empty) [ 58.567506] Kernel Offset: disabled [ 58.571099] Rebooting in 86400 seconds..