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-5,10.128.15.202' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.799186] ------------[ cut here ]------------ [ 41.799942] WARNING: CPU: 1 PID: 3243 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 41.801172] Kernel panic - not syncing: panic_on_warn set ... [ 41.801172] [ 41.802155] CPU: 1 PID: 3243 Comm: syzkaller905962 Not tainted 4.9.56-ged0b958 #65 [ 41.803161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.804380] ffff8801cc8271f0 ffffffff81d93999 ffffffff83a46b40 ffff8801cc8272c8 [ 41.805554] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801cc8272b8 [ 41.806677] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 41.807797] Call Trace: [ 41.808154] [] dump_stack+0xc1/0x128 [ 41.808861] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 41.809758] [] panic+0x1bc/0x3a8 [ 41.810439] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 41.811516] [] ? load_image_and_restore+0xf9/0xf9 [ 41.812369] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 41.813265] [] __warn+0x1c4/0x1e0 [ 41.813940] [] warn_slowpath_null+0x2c/0x40 [ 41.814726] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 41.815602] [] ? trace_hardirqs_on+0xd/0x10 [ 41.816387] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 41.817218] [] ? dst_release+0x71/0xd0 [ 41.817951] [] ? ip6_pol_route+0xb30/0x1c90 [ 41.818754] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 41.822015] [] ? get_page_from_freelist+0xd19/0x1a00 [ 41.828729] [] ? fib6_get_table+0x1c0/0x340 [ 41.834664] [] ? __might_sleep+0x95/0x1a0 [ 41.840431] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 41.846918] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 41.853373] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 41.860178] [] ? _raw_read_unlock_bh+0x30/0x40 [ 41.866374] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.873349] [] kmalloc_order+0x2a/0x70 [ 41.878850] [] kmalloc_order_trace+0x1f/0x190 [ 41.884962] [] __kmalloc+0x19d/0x310 [ 41.890291] [] ip6_setup_cork+0x194/0x1200 [ 41.896139] [] ? xfrm_lookup+0x400/0xbf0 [ 41.901811] [] ip6_make_skb+0x1b8/0x440 [ 41.907400] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 41.913854] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 41.920307] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 41.926420] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 41.932963] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.939938] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.946914] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 41.953021] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 41.959041] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 41.965149] [] udpv6_sendmsg+0x1b1d/0x2540 [ 41.970997] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 41.977103] [] ? udp_v6_rehash+0xa0/0xa0 [ 41.982775] [] ? udp_seq_next+0x80/0x80 [ 41.988364] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.995344] [] ? sock_has_perm+0x1c2/0x3e0 [ 42.001193] [] ? ip6_datagram_release_cb+0x87/0x470 [ 42.007826] [] ? release_sock+0x20/0x1c0 [ 42.013498] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 42.020217] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 42.026412] [] ? release_sock+0x14c/0x1c0 [ 42.032176] [] inet_sendmsg+0x2bc/0x4c0 [ 42.037764] [] ? inet_sendmsg+0x73/0x4c0 [ 42.043436] [] ? inet_recvmsg+0x4c0/0x4c0 [ 42.049197] [] sock_sendmsg+0xca/0x110 [ 42.054698] [] SYSC_sendto+0x2c8/0x340 [ 42.060195] [] ? SYSC_connect+0x310/0x310 [ 42.065957] [] ? __pmd_alloc+0x410/0x410 [ 42.071632] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 42.078697] [] ? __do_page_fault+0x61a/0xd70 [ 42.084717] [] ? __do_page_fault+0x3c6/0xd70 [ 42.090736] [] ? SyS_setsockopt+0x17f/0x250 [ 42.096682] [] ? mm_fault_error+0x2c0/0x2c0 [ 42.102613] [] SyS_sendto+0x40/0x50 [ 42.107860] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.114448] Dumping ftrace buffer: [ 42.117953] (ftrace buffer empty) [ 42.121626] Kernel Offset: disabled [ 42.125215] Rebooting in 86400 seconds..