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-3,10.128.0.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 60.851331] ------------[ cut here ]------------ [ 60.852098] WARNING: CPU: 1 PID: 3275 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 60.853284] Kernel panic - not syncing: panic_on_warn set ... [ 60.853284] [ 60.854266] CPU: 1 PID: 3275 Comm: syzkaller119710 Not tainted 4.9.54-g9add7c4 #63 [ 60.855290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.856509] ffff8801d57571f0 ffffffff81d93659 ffffffff83a46b40 ffff8801d57572c8 [ 60.857638] ffffffff83aa3b00 ffffffff8145241d 0000000000000009 ffff8801d57572b8 [ 60.858767] ffffffff8142eb71 0000000041b58ab3 ffffffff84185640 ffffffff8142e9b5 [ 60.859894] Call Trace: [ 60.860248] [] dump_stack+0xc1/0x128 [ 60.860956] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 60.861856] [] panic+0x1bc/0x3a8 [ 60.862521] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 60.863597] [] ? load_image_and_restore+0xf9/0xf9 [ 60.864450] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 60.865364] [] __warn+0x1c4/0x1e0 [ 60.866039] [] warn_slowpath_null+0x2c/0x40 [ 60.866844] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 60.867719] [] ? trace_hardirqs_on+0xd/0x10 [ 60.868507] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 60.869339] [] ? dst_release+0x71/0xd0 [ 60.870070] [] ? ip6_pol_route+0xb30/0x1c90 [ 60.870855] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 60.871729] [] ? get_page_from_freelist+0xd19/0x1a00 [ 60.878446] [] ? fib6_get_table+0x1c0/0x340 [ 60.884383] [] ? __might_sleep+0x95/0x1a0 [ 60.890146] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 60.896601] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 60.903058] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 60.909865] [] ? _raw_read_unlock_bh+0x30/0x40 [ 60.916059] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.923035] [] kmalloc_order+0x2a/0x70 [ 60.928538] [] kmalloc_order_trace+0x1f/0x190 [ 60.934646] [] __kmalloc+0x19d/0x310 [ 60.939973] [] ip6_setup_cork+0x194/0x1200 [ 60.945820] [] ? xfrm_lookup+0x400/0xbf0 [ 60.951493] [] ip6_make_skb+0x1b8/0x440 [ 60.957079] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 60.963535] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 60.969994] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 60.976103] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 60.982648] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.989625] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 60.996601] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 61.002709] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 61.008731] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 61.014838] [] udpv6_sendmsg+0x1b1d/0x2540 [ 61.020689] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 61.026798] [] ? udp_v6_rehash+0xa0/0xa0 [ 61.032477] [] ? udp_seq_next+0x80/0x80 [ 61.038065] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 61.045040] [] ? sock_has_perm+0x1c2/0x3e0 [ 61.050892] [] ? ip6_datagram_release_cb+0x87/0x470 [ 61.057521] [] ? release_sock+0x20/0x1c0 [ 61.063197] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 61.069917] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 61.076118] [] ? release_sock+0x14c/0x1c0 [ 61.081879] [] inet_sendmsg+0x2bc/0x4c0 [ 61.087470] [] ? inet_sendmsg+0x73/0x4c0 [ 61.093144] [] ? inet_recvmsg+0x4c0/0x4c0 [ 61.098906] [] sock_sendmsg+0xca/0x110 [ 61.104405] [] SYSC_sendto+0x2c8/0x340 [ 61.109906] [] ? SYSC_connect+0x310/0x310 [ 61.115668] [] ? __pmd_alloc+0x410/0x410 [ 61.121342] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 61.128407] [] ? __do_page_fault+0x61a/0xd70 [ 61.134430] [] ? __do_page_fault+0x3c6/0xd70 [ 61.140452] [] ? SyS_setsockopt+0x17f/0x250 [ 61.146389] [] ? mm_fault_error+0x2c0/0x2c0 [ 61.152324] [] SyS_sendto+0x40/0x50 [ 61.157563] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 61.164142] Dumping ftrace buffer: [ 61.167646] (ftrace buffer empty) [ 61.171320] Kernel Offset: disabled [ 61.174912] Rebooting in 86400 seconds..