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-0,10.128.15.210' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.369889] ------------[ cut here ]------------ [ 51.370674] WARNING: CPU: 0 PID: 3259 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.371896] Kernel panic - not syncing: panic_on_warn set ... [ 51.371896] [ 51.372879] CPU: 0 PID: 3259 Comm: syzkaller215392 Not tainted 4.9.56-ged0b958 #65 [ 51.373904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.375120] ffff8801d1a1f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801d1a1f2c8 [ 51.376247] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801d1a1f2b8 [ 51.377389] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 51.378530] Call Trace: [ 51.378894] [] dump_stack+0xc1/0x128 [ 51.379603] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.380499] [] panic+0x1bc/0x3a8 [ 51.381163] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 51.382239] [] ? load_image_and_restore+0xf9/0xf9 [ 51.383091] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.383987] [] __warn+0x1c4/0x1e0 [ 51.384691] [] warn_slowpath_null+0x2c/0x40 [ 51.385517] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.386428] [] ? trace_hardirqs_on+0xd/0x10 [ 51.387230] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 51.388060] [] ? dst_release+0x71/0xd0 [ 51.388795] [] ? ip6_pol_route+0xb30/0x1c90 [ 51.389627] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 51.393958] [] ? get_page_from_freelist+0xd19/0x1a00 [ 51.400675] [] ? fib6_get_table+0x1c0/0x340 [ 51.406609] [] ? __might_sleep+0x95/0x1a0 [ 51.412370] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 51.418822] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 51.425277] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 51.432080] [] ? _raw_read_unlock_bh+0x30/0x40 [ 51.438276] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.445253] [] kmalloc_order+0x2a/0x70 [ 51.450751] [] kmalloc_order_trace+0x1f/0x190 [ 51.456856] [] __kmalloc+0x19d/0x310 [ 51.462182] [] ip6_setup_cork+0x194/0x1200 [ 51.468033] [] ? xfrm_lookup+0x400/0xbf0 [ 51.473707] [] ip6_make_skb+0x1b8/0x440 [ 51.479294] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 51.485752] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 51.492206] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.498311] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 51.504852] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.511827] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.518804] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 51.524911] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 51.530944] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 51.537053] [] udpv6_sendmsg+0x1b1d/0x2540 [ 51.542901] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.549005] [] ? udp_v6_rehash+0xa0/0xa0 [ 51.554681] [] ? udp_seq_next+0x80/0x80 [ 51.560269] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.567244] [] ? sock_has_perm+0x1c2/0x3e0 [ 51.573092] [] ? ip6_datagram_release_cb+0x87/0x470 [ 51.579720] [] ? release_sock+0x20/0x1c0 [ 51.585392] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 51.592110] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.598302] [] ? release_sock+0x14c/0x1c0 [ 51.604065] [] inet_sendmsg+0x2bc/0x4c0 [ 51.609649] [] ? inet_sendmsg+0x73/0x4c0 [ 51.615320] [] ? inet_recvmsg+0x4c0/0x4c0 [ 51.621079] [] sock_sendmsg+0xca/0x110 [ 51.626577] [] SYSC_sendto+0x2c8/0x340 [ 51.632078] [] ? SYSC_connect+0x310/0x310 [ 51.637838] [] ? __pmd_alloc+0x410/0x410 [ 51.643513] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 51.650577] [] ? __do_page_fault+0x61a/0xd70 [ 51.656596] [] ? __do_page_fault+0x3c6/0xd70 [ 51.662617] [] ? SyS_setsockopt+0x17f/0x250 [ 51.668549] [] ? mm_fault_error+0x2c0/0x2c0 [ 51.674482] [] SyS_sendto+0x40/0x50 [ 51.679725] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 51.686302] Dumping ftrace buffer: [ 51.689804] (ftrace buffer empty) [ 51.693476] Kernel Offset: disabled [ 51.697068] Rebooting in 86400 seconds..