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-5,10.128.0.3' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.113777] ------------[ cut here ]------------ [ 51.114619] WARNING: CPU: 1 PID: 3251 at mm/page_alloc.c:3548 __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.115937] Kernel panic - not syncing: panic_on_warn set ... [ 51.115937] [ 51.116904] CPU: 1 PID: 3251 Comm: syzkaller020831 Not tainted 4.9.56-ged0b958 #65 [ 51.117945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.119235] ffff8801d652f1f0 ffffffff81d93999 ffffffff83a46b40 ffff8801d652f2c8 [ 51.120381] ffffffff83aa3b00 ffffffff8145255d 0000000000000009 ffff8801d652f2b8 [ 51.121506] ffffffff8142ec41 0000000041b58ab3 ffffffff841858d8 ffffffff8142ea85 [ 51.122631] Call Trace: [ 51.122986] [] dump_stack+0xc1/0x128 [ 51.123697] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.124593] [] panic+0x1bc/0x3a8 [ 51.125256] [] ? percpu_up_read_preempt_enable.constprop.54+0xd7/0xd7 [ 51.126384] [] ? load_image_and_restore+0xf9/0xf9 [ 51.127236] [] ? __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.128132] [] __warn+0x1c4/0x1e0 [ 51.128805] [] warn_slowpath_null+0x2c/0x40 [ 51.129589] [] __alloc_pages_slowpath+0x116d/0x1dc0 [ 51.130603] [] ? trace_hardirqs_on+0xd/0x10 [ 51.131399] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 51.132253] [] ? dst_release+0x71/0xd0 [ 51.133001] [] ? ip6_pol_route+0xb30/0x1c90 [ 51.133802] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 51.139927] [] ? get_page_from_freelist+0xd19/0x1a00 [ 51.146644] [] ? fib6_get_table+0x1c0/0x340 [ 51.152579] [] ? __might_sleep+0x95/0x1a0 [ 51.158339] [] __alloc_pages_nodemask+0x33b/0x6b0 [ 51.164796] [] ? __ipv6_dev_get_saddr+0x26f/0x4d0 [ 51.171252] [] ? __alloc_pages_slowpath+0x1dc0/0x1dc0 [ 51.178055] [] ? _raw_read_unlock_bh+0x30/0x40 [ 51.184250] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.191229] [] kmalloc_order+0x2a/0x70 [ 51.196730] [] kmalloc_order_trace+0x1f/0x190 [ 51.202839] [] __kmalloc+0x19d/0x310 [ 51.208165] [] ip6_setup_cork+0x194/0x1200 [ 51.214011] [] ? xfrm_lookup+0x400/0xbf0 [ 51.219685] [] ip6_make_skb+0x1b8/0x440 [ 51.225273] [] ? ip6_dst_lookup_tail+0x3aa/0x1660 [ 51.231729] [] ? ip6_dst_lookup_tail+0x438/0x1660 [ 51.238183] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.244291] [] ? ip6_push_pending_frames+0xe0/0xe0 [ 51.250833] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.257808] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.264787] [] ? xfrm_lookup_route+0x4f/0x1a0 [ 51.270895] [] ? ip6_dst_hoplimit+0xa6/0x380 [ 51.276917] [] ? ip6_dst_hoplimit+0x1d3/0x380 [ 51.283027] [] udpv6_sendmsg+0x1b1d/0x2540 [ 51.288874] [] ? ip_reply_glue_bits+0xb0/0xb0 [ 51.294980] [] ? udp_v6_rehash+0xa0/0xa0 [ 51.300655] [] ? udp_seq_next+0x80/0x80 [ 51.306242] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 51.313220] [] ? sock_has_perm+0x1c2/0x3e0 [ 51.319068] [] ? ip6_datagram_release_cb+0x87/0x470 [ 51.325696] [] ? release_sock+0x20/0x1c0 [ 51.331372] [] ? ip6_datagram_release_cb+0x2b1/0x470 [ 51.338087] [] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.344286] [] ? release_sock+0x14c/0x1c0 [ 51.350051] [] inet_sendmsg+0x2bc/0x4c0 [ 51.355636] [] ? inet_sendmsg+0x73/0x4c0 [ 51.361312] [] ? inet_recvmsg+0x4c0/0x4c0 [ 51.367071] [] sock_sendmsg+0xca/0x110 [ 51.372570] [] SYSC_sendto+0x2c8/0x340 [ 51.378071] [] ? SYSC_connect+0x310/0x310 [ 51.383833] [] ? __pmd_alloc+0x410/0x410 [ 51.389506] [] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 51.396571] [] ? __do_page_fault+0x61a/0xd70 [ 51.402590] [] ? __do_page_fault+0x3c6/0xd70 [ 51.408609] [] ? SyS_setsockopt+0x17f/0x250 [ 51.414543] [] ? mm_fault_error+0x2c0/0x2c0 [ 51.420479] [] SyS_sendto+0x40/0x50 [ 51.425721] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 51.432302] Dumping ftrace buffer: [ 51.435808] (ftrace buffer empty) [ 51.439482] Kernel Offset: disabled [ 51.443073] Rebooting in 86400 seconds..