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-1,10.128.15.216' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 64.760468] ------------[ cut here ]------------ [ 64.761245] WARNING: CPU: 1 PID: 3254 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 64.762439] Kernel panic - not syncing: panic_on_warn set ... [ 64.762439] [ 64.763408] CPU: 1 PID: 3254 Comm: syzkaller502423 Not tainted 4.9.56-ged0b958 #65 [ 64.764423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.765642] ffff8801c7d0f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801c7d0f2c8 [ 64.766786] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801c7d0f2b8 [ 64.767912] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 64.769076] Call Trace: [ 64.769435] [] dump_stack+0xc1/0x128 [ 64.770157] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 64.771053] [] panic+0x1bc/0x3a8 [ 64.771717] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 64.772801] [] ? load_image_and_restore+0xf9/0xf9 [ 64.773652] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 64.774564] [] __warn+0x1c4/0x1e0 [ 64.775254] [] warn_slowpath_null+0x2c/0x40 [ 64.776061] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 64.776936] [] ? trace_hardirqs_on+0xd/0x10 [ 64.777741] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 64.778593] [] ? dst_release+0x71/0xd0 [ 64.779323] [] ? ip6_pol_route+0xb30/0x1c90 [ 64.780118] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 64.783823] [] ? get_page_from_freelist+0xd19/0x1a00 [ 64.790538] [] ? fib6_get_table+0x1c0/0x340 [ 64.796471] [] ? __might_sleep+0x95/0x1a0 [ 64.802231] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 64.808685] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 64.815137] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 64.821942] [] ? _raw_read_unlock_bh+0x30/0x40 [ 64.828141] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.835119] [] kmalloc_order+0x2a/0x70 [ 64.840621] [] kmalloc_order_trace+0x1f/0x190 [ 64.846728] [] __kmalloc+0x19d/0x310 [ 64.852056] [] ip6_setup_cork+0x194/0x1200 [ 64.857905] [] ? xfrm_lookup+0x400/0xbf0 [ 64.863579] [] ip6_make_skb+0x1b8/0x440 [ 64.869165] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 64.875619] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 64.882074] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 64.888181] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 64.894722] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.901696] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.908671] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 64.914780] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 64.920800] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 64.926908] [] udpv6_sendmsg+0x1b1d/0x2540 [ 64.932754] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 64.938860] [] ? udp_v6_rehash+0xa0/0xa0 [ 64.944535] [] ? udp_seq_next+0x80/0x80 [ 64.950120] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 64.957094] [] ? sock_has_perm+0x1c2/0x3e0 [ 64.962956] [] ? ip6_datagram_release_cb+0x87/0x470 [ 64.969586] [] ? release_sock+0x20/0x1c0 [ 64.975257] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 64.981971] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 64.988162] [] ? release_sock+0x14c/0x1c0 [ 64.993921] [] inet_sendmsg+0x2bc/0x4c0 [ 64.999506] [] ? inet_sendmsg+0x73/0x4c0 [ 65.005178] [] ? inet_recvmsg+0x4c0/0x4c0 [ 65.010935] [] sock_sendmsg+0xca/0x110 [ 65.016433] [] SYSC_sendto+0x2c8/0x340 [ 65.021931] [] ? SYSC_connect+0x310/0x310 [ 65.027693] [] ? __pmd_alloc+0x410/0x410 [ 65.033366] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 65.040428] [] ? __do_page_fault+0x61a/0xd70 [ 65.046447] [] ? __do_page_fault+0x3c6/0xd70 [ 65.052467] [] ? SyS_setsockopt+0x17f/0x250 [ 65.058402] [] ? mm_fault_error+0x2c0/0x2c0 [ 65.064340] [] SyS_sendto+0x40/0x50 [ 65.069578] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 65.076488] Dumping ftrace buffer: [ 65.079989] (ftrace buffer empty) [ 65.083662] Kernel Offset: disabled [ 65.087251] Rebooting in 86400 seconds..