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-8,10.128.15.206' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.004911] ------------[ cut here ]------------ [ 38.005678] WARNING: CPU: 1 PID: 3253 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.006864] Kernel panic - not syncing: panic_on_warn set ... [ 38.006864] [ 38.007853] CPU: 1 PID: 3253 Comm: syzkaller816263 Not tainted 4.9.53-g379e3b2 #59 [ 38.008858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.010076] ffff8801c80f71f0 ffffffff81d93789 ffffffff83a46b40 ffff8801c80f72c8 [ 38.011206] ffffffff83aa3b00 ffffffff8145241d 0000000000000009 ffff8801c80f72b8 [ 38.012353] ffffffff8142eb71 0000000041b58ab3 ffffffff84185700 ffffffff8142e9b5 [ 38.013476] Call Trace: [ 38.013835] [] dump_stack+0xc1/0x128 [ 38.014554] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.015450] [] panic+0x1bc/0x3a8 [ 38.016114] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 38.017189] [] ? load_image_and_restore+0xf9/0xf9 [ 38.018094] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.018992] [] __warn+0x1c4/0x1e0 [ 38.019666] [] warn_slowpath_null+0x2c/0x40 [ 38.020515] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 38.021391] [] ? trace_hardirqs_on+0xd/0x10 [ 38.022175] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 38.023049] [] ? dst_release+0x71/0xd0 [ 38.023780] [] ? ip6_pol_route+0xb30/0x1c90 [ 38.024568] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 38.028109] [] ? get_page_from_freelist+0xd19/0x1a00 [ 38.034826] [] ? fib6_get_table+0x1c0/0x340 [ 38.040762] [] ? __might_sleep+0x95/0x1a0 [ 38.046526] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 38.052982] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 38.059436] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 38.066240] [] ? _raw_read_unlock_bh+0x30/0x40 [ 38.072434] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.079414] [] kmalloc_order+0x2a/0x70 [ 38.084927] [] kmalloc_order_trace+0x1f/0x190 [ 38.091037] [] __kmalloc+0x19d/0x310 [ 38.096364] [] ip6_setup_cork+0x194/0x1200 [ 38.102215] [] ? xfrm_lookup+0x400/0xbf0 [ 38.107887] [] ip6_make_skb+0x1b8/0x440 [ 38.113473] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 38.119927] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 38.126385] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.132494] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 38.139037] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.146013] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.152988] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 38.159098] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 38.165122] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 38.171229] [] udpv6_sendmsg+0x1b1d/0x2540 [ 38.177076] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 38.183183] [] ? udp_v6_rehash+0xa0/0xa0 [ 38.188859] [] ? udp_seq_next+0x80/0x80 [ 38.194445] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 38.201425] [] ? sock_has_perm+0x1c2/0x3e0 [ 38.207273] [] ? ip6_datagram_release_cb+0x87/0x470 [ 38.213901] [] ? release_sock+0x20/0x1c0 [ 38.219575] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 38.226295] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 38.232488] [] ? release_sock+0x14c/0x1c0 [ 38.238248] [] inet_sendmsg+0x2bc/0x4c0 [ 38.243835] [] ? inet_sendmsg+0x73/0x4c0 [ 38.249509] [] ? inet_recvmsg+0x4c0/0x4c0 [ 38.255270] [] sock_sendmsg+0xca/0x110 [ 38.260770] [] SYSC_sendto+0x2c8/0x340 [ 38.266270] [] ? SYSC_connect+0x310/0x310 [ 38.272032] [] ? __pmd_alloc+0x410/0x410 [ 38.277707] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 38.284770] [] ? __do_page_fault+0x61a/0xd70 [ 38.290790] [] ? __do_page_fault+0x3c6/0xd70 [ 38.296813] [] ? SyS_setsockopt+0x17f/0x250 [ 38.302749] [] ? mm_fault_error+0x2c0/0x2c0 [ 38.308683] [] SyS_sendto+0x40/0x50 [ 38.313928] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 38.320512] Dumping ftrace buffer: [ 38.324016] (ftrace buffer empty) [ 38.327691] Kernel Offset: disabled [ 38.331288] Rebooting in 86400 seconds..