INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: File exists
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Cannot find device "vcan0"
Cannot find device "vcan0"
syzkaller login: [   36.862208] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "ip_vti0"
Cannot find device "ip_vti0"
Cannot find device "ip_vti0"
Cannot find device "ip_vti0"
Cannot find device "ip6_vti0"
Cannot find device "ip6_vti0"
Cannot find device "ip6_vti0"
Cannot find device "ip6_vti0"
Cannot find device "ip6tnl0"
Cannot find device "ip6tnl0"
Cannot find device "ip6tnl0"
Cannot find device "ip6tnl0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "bond0"
[   38.016639] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
Cannot find device "team0"
[   38.074361] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   38.080562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   38.088376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "team0"
executing program
[   38.191984] FAULT_INJECTION: forcing a failure.
[   38.191984] name failslab, interval 1, probability 0, space 0, times 1
[   38.203282] CPU: 1 PID: 3583 Comm: syzkaller887318 Not tainted 4.16.0+ #82
[   38.210284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.219632] Call Trace:
[   38.222225]  dump_stack+0x185/0x1d0
[   38.226156]  should_fail+0x87b/0xab0
[   38.229865] ==================================================================
[   38.237208] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0
[   38.243951] CPU: 1 PID: 3583 Comm: syzkaller887318 Not tainted 4.16.0+ #82
[   38.250935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.260262] Call Trace:
[   38.262839]  dump_stack+0x14a/0x1d0
[   38.266448]  ? kernel_text_address+0x248/0x3a0
[   38.271005]  kmsan_report+0x142/0x240
[   38.274785]  __msan_warning_32+0x6c/0xb0
[   38.278821]  kernel_text_address+0x248/0x3a0
[   38.283209]  __kernel_text_address+0x34/0xe0
[   38.287593]  show_trace_log_lvl+0x954/0x1030
[   38.291977]  ? should_failslab+0x279/0x2a0
[   38.296201]  show_stack+0xfc/0x150
[   38.299715]  ? print_worker_info+0x1b0/0x660
[   38.304097]  dump_stack+0x185/0x1d0
[   38.307703]  should_fail+0x87b/0xab0
[   38.311417]  should_failslab+0x279/0x2a0
[   38.315466]  kmem_cache_alloc+0x136/0xb90
[   38.319590]  ? __napi_alloc_skb+0x34d/0xa20
[   38.323888]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[   38.329241]  ? page_frag_alloc+0x1a2/0x9a0
[   38.333456]  __napi_alloc_skb+0x34d/0xa20
[   38.337582]  napi_get_frags+0xd3/0x250
[   38.341447]  tun_get_user+0x21c5/0x7580
[   38.345399]  ? mntput_no_expire+0xad/0x17c0
[   38.349697]  ? __msan_metadata_ptr_for_load_4+0x10/0x20
[   38.355038]  ? lockref_put_return+0x27c/0x2c0
[   38.359534]  tun_chr_write_iter+0x1d4/0x330
[   38.363838]  ? tun_chr_read_iter+0x460/0x460
[   38.368238]  do_iter_readv_writev+0x7bb/0x970
[   38.372724]  ? tun_chr_read_iter+0x460/0x460
[   38.377108]  do_iter_write+0x30d/0xd40
[   38.380984]  ? __msan_metadata_ptr_for_store_8+0x13/0x20
[   38.386422]  do_writev+0x3c9/0x830
[   38.389954]  ? syscall_return_slowpath+0xe9/0x700
[   38.394773]  ? __msan_metadata_ptr_for_store_8+0x13/0x20
[   38.400200]  SYSC_writev+0x9b/0xb0
[   38.403718]  SyS_writev+0x56/0x80
[   38.407147]  do_syscall_64+0x309/0x430
[   38.411023]  ? SYSC_readv+0xb0/0xb0
[   38.414628]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   38.419808] RIP: 0033:0x441b70
[   38.422973] RSP: 002b:00007fff510f0548 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
[   38.430656] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b70
[   38.437917] RDX: 0000000000000001 RSI: 00007fff510f05a0 RDI: 00000000000000fc
[   38.445162] RBP: 00007fff510f0630 R08: 0000000000000000 R09: 0000000000000001
[   38.452408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   38.459654] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[   38.466901] 
[   38.468502] Local variable description: ----oldbit.i.i.i@flush_tlb_func_common
[   38.475835] Variable was created at:
[   38.479526]  flush_tlb_func_common+0xa5/0xc50
[   38.483999]  flush_tlb_mm_range+0x27d/0x420
[   38.488292] ==================================================================
[   38.495624] Disabling lock debugging due to kernel taint
[   38.501066] Kernel panic - not syncing: panic_on_warn set ...
[   38.501066] 
[   38.508406] CPU: 1 PID: 3583 Comm: syzkaller887318 Tainted: G    B            4.16.0+ #82
[   38.516692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.526022] Call Trace:
[   38.528588]  dump_stack+0x14a/0x1d0
[   38.532192]  panic+0x39d/0x940
[   38.535371]  ? kernel_text_address+0x248/0x3a0
[   38.539924]  kmsan_report+0x238/0x240
[   38.543701]  __msan_warning_32+0x6c/0xb0
[   38.547738]  kernel_text_address+0x248/0x3a0
[   38.552127]  __kernel_text_address+0x34/0xe0
[   38.556531]  show_trace_log_lvl+0x954/0x1030
[   38.560927]  ? should_failslab+0x279/0x2a0
[   38.565144]  show_stack+0xfc/0x150
[   38.568660]  ? print_worker_info+0x1b0/0x660
[   38.573044]  dump_stack+0x185/0x1d0
[   38.576649]  should_fail+0x87b/0xab0
[   38.580342]  should_failslab+0x279/0x2a0
[   38.584380]  kmem_cache_alloc+0x136/0xb90
[   38.588605]  ? __napi_alloc_skb+0x34d/0xa20
[   38.592903]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[   38.598242]  ? page_frag_alloc+0x1a2/0x9a0
[   38.602456]  __napi_alloc_skb+0x34d/0xa20
[   38.606584]  napi_get_frags+0xd3/0x250
[   38.610451]  tun_get_user+0x21c5/0x7580
[   38.614401]  ? mntput_no_expire+0xad/0x17c0
[   38.618700]  ? __msan_metadata_ptr_for_load_4+0x10/0x20
[   38.624040]  ? lockref_put_return+0x27c/0x2c0
[   38.628520]  tun_chr_write_iter+0x1d4/0x330
[   38.632820]  ? tun_chr_read_iter+0x460/0x460
[   38.637203]  do_iter_readv_writev+0x7bb/0x970
[   38.641680]  ? tun_chr_read_iter+0x460/0x460
[   38.646069]  do_iter_write+0x30d/0xd40
[   38.649933]  ? __msan_metadata_ptr_for_store_8+0x13/0x20
[   38.655362]  do_writev+0x3c9/0x830
[   38.658883]  ? syscall_return_slowpath+0xe9/0x700
[   38.663711]  ? __msan_metadata_ptr_for_store_8+0x13/0x20
[   38.669141]  SYSC_writev+0x9b/0xb0
[   38.672659]  SyS_writev+0x56/0x80
[   38.676085]  do_syscall_64+0x309/0x430
[   38.679951]  ? SYSC_readv+0xb0/0xb0
[   38.683555]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   38.688722] RIP: 0033:0x441b70
[   38.691886] RSP: 002b:00007fff510f0548 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
[   38.699583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b70
[   38.706829] RDX: 0000000000000001 RSI: 00007fff510f05a0 RDI: 00000000000000fc
[   38.714078] RBP: 00007fff510f0630 R08: 0000000000000000 R09: 0000000000000001
[   38.721323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   38.728566] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[   38.736295] Dumping ftrace buffer:
[   38.739808]    (ftrace buffer empty)
[   38.743492] Kernel Offset: disabled
[   38.747096] Rebooting in 86400 seconds..