[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   22.385677] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   25.900037] random: sshd: uninitialized urandom read (32 bytes read)
[   26.210843] random: sshd: uninitialized urandom read (32 bytes read)
[   26.759732] random: sshd: uninitialized urandom read (32 bytes read)
[   29.977900] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts.
[   35.441855] random: sshd: uninitialized urandom read (32 bytes read)
2018/09/02 05:11:46 parsed 1 programs
[   36.407846] random: cc1: uninitialized urandom read (8 bytes read)
2018/09/02 05:11:47 executed programs: 0
[   37.549422] IPVS: ftp: loaded support on port[0] = 21
[   37.763300] bridge0: port 1(bridge_slave_0) entered blocking state
[   37.769896] bridge0: port 1(bridge_slave_0) entered disabled state
[   37.777404] device bridge_slave_0 entered promiscuous mode
[   37.795308] bridge0: port 2(bridge_slave_1) entered blocking state
[   37.801834] bridge0: port 2(bridge_slave_1) entered disabled state
[   37.808887] device bridge_slave_1 entered promiscuous mode
[   37.825496] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   37.843178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   37.886963] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   37.905859] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   37.974640] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   37.982412] team0: Port device team_slave_0 added
[   37.998503] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   38.006154] team0: Port device team_slave_1 added
[   38.022375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   38.039425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   38.057877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   38.076621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   38.166437] ip (4779) used greatest stack depth: 16824 bytes left
[   38.204775] bridge0: port 2(bridge_slave_1) entered blocking state
[   38.211297] bridge0: port 2(bridge_slave_1) entered forwarding state
[   38.218176] bridge0: port 1(bridge_slave_0) entered blocking state
[   38.224550] bridge0: port 1(bridge_slave_0) entered forwarding state
[   38.682999] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   38.689234] 8021q: adding VLAN 0 to HW filter on device bond0
[   38.736017] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   38.755190] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   38.785951] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   38.792135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   38.799793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   38.843908] 8021q: adding VLAN 0 to HW filter on device team0
[   39.126190] FAULT_INJECTION: forcing a failure.
[   39.126190] name failslab, interval 1, probability 0, space 0, times 1
[   39.137700] CPU: 0 PID: 4949 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   39.144976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.154324] Call Trace:
[   39.156908]  dump_stack+0x1c9/0x2b4
[   39.160528]  ? dump_stack_print_info.cold.2+0x52/0x52
[   39.165853]  should_fail.cold.4+0xa/0x11
[   39.169905]  ? graph_lock+0x170/0x170
[   39.173697]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   39.178792]  ? graph_lock+0x170/0x170
[   39.182653]  ? find_held_lock+0x36/0x1c0
[   39.186707]  ? __lock_is_held+0xb5/0x140
[   39.190762]  ? check_same_owner+0x340/0x340
[   39.195147]  ? rcu_note_context_switch+0x680/0x680
[   39.200073]  __should_failslab+0x124/0x180
[   39.204300]  should_failslab+0x9/0x14
[   39.208087]  kmem_cache_alloc+0x29c/0x710
[   39.212231]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   39.217760]  ptlock_alloc+0x20/0x80
[   39.221382]  pte_alloc_one+0x6b/0x1a0
[   39.225182]  __pte_alloc+0x2a/0x3c0
[   39.228805]  copy_page_range+0x161a/0x2310
[   39.233027]  ? __rb_insert_augmented+0x3b6/0x18b0
[   39.237865]  ? pmd_alloc+0x180/0x180
[   39.241584]  ? find_held_lock+0x36/0x1c0
[   39.245638]  ? lock_downgrade+0x8f0/0x8f0
[   39.249778]  ? lock_release+0x9f0/0x9f0
[   39.253742]  ? check_same_owner+0x340/0x340
[   39.258054]  ? rcu_note_context_switch+0x680/0x680
[   39.262977]  ? up_write+0x7b/0x220
[   39.266509]  ? up_read+0x110/0x110
[   39.270048]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   39.275497]  ? anon_vma_clone+0x740/0x740
[   39.279679]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   39.284699]  ? __vma_link_rb+0x26d/0x370
[   39.288850]  copy_process+0x3ed9/0x7ad0
[   39.292829]  ? __cleanup_sighand+0x70/0x70
[   39.297055]  ? mark_held_locks+0x160/0x160
[   39.301288]  ? mark_held_locks+0x160/0x160
[   39.305535]  ? mark_held_locks+0x160/0x160
[   39.309761]  ? print_usage_bug+0xc0/0xc0
[   39.313810]  ? _raw_spin_unlock+0x22/0x30
[   39.317947]  ? print_usage_bug+0xc0/0xc0
[   39.321995]  ? lock_downgrade+0x8f0/0x8f0
[   39.326141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   39.331677]  ? process_measurement+0x280/0x1c10
[   39.336356]  ? graph_lock+0x170/0x170
[   39.340172]  ? kasan_check_read+0x11/0x20
[   39.344330]  ? do_raw_spin_unlock+0xa7/0x2f0
[   39.348735]  ? graph_lock+0x170/0x170
[   39.352664]  ? mark_held_locks+0x160/0x160
[   39.356888]  ? print_usage_bug+0xc0/0xc0
[   39.360936]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   39.365598]  ? mark_held_locks+0x160/0x160
[   39.369820]  ? __lock_acquire+0x7fc/0x5020
[   39.374043]  ? graph_lock+0x170/0x170
[   39.377831]  ? graph_lock+0x170/0x170
[   39.381616]  ? graph_lock+0x170/0x170
[   39.385418]  ? find_held_lock+0x36/0x1c0
[   39.389482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   39.395016]  ? _parse_integer+0x13b/0x190
[   39.399172]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   39.404697]  ? _kstrtoull+0x188/0x250
[   39.408484]  ? _parse_integer+0x190/0x190
[   39.412658]  ? graph_lock+0x170/0x170
[   39.416448]  ? lock_release+0x9f0/0x9f0
[   39.420415]  ? find_held_lock+0x36/0x1c0
[   39.424471]  ? lock_downgrade+0x8f0/0x8f0
[   39.428608]  ? kasan_check_read+0x11/0x20
[   39.432741]  ? rcu_is_watching+0x8c/0x150
[   39.436870]  ? pid_task+0x115/0x200
[   39.440484]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   39.445149]  ? graph_lock+0x170/0x170
[   39.448938]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   39.454461]  ? proc_fail_nth_write+0x9e/0x210
[   39.458952]  ? proc_cwd_link+0x1d0/0x1d0
[   39.463009]  ? trace_hardirqs_off+0xb8/0x2b0
[   39.467414]  ? find_held_lock+0x36/0x1c0
[   39.471470]  _do_fork+0x1ca/0x1170
[   39.474999]  ? fork_idle+0x240/0x240
[   39.478698]  ? __lock_is_held+0xb5/0x140
[   39.482754]  ? __sb_end_write+0xac/0xe0
[   39.486725]  ? vfs_write+0x2ad/0x560
[   39.490449]  ? do_syscall_64+0x9a/0x820
[   39.494426]  ? do_syscall_64+0x9a/0x820
[   39.498400]  ? lockdep_hardirqs_on+0x421/0x5c0
[   39.502973]  ? trace_hardirqs_on+0xbd/0x2c0
[   39.507280]  ? __ia32_sys_read+0xb0/0xb0
[   39.511329]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   39.516678]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   39.521773]  __x64_sys_clone+0xbf/0x150
[   39.525739]  do_syscall_64+0x1b9/0x820
[   39.529613]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   39.534998]  ? syscall_return_slowpath+0x5e0/0x5e0
[   39.539914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.544742]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   39.549746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   39.554748]  ? prepare_exit_to_usermode+0x291/0x3b0
[   39.559753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.564587]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   39.569764] RIP: 0033:0x457099
[   39.572941] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   39.591831] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   39.599555] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   39.606817] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   39.614076] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   39.621330] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   39.628635] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   39.658993] FAULT_INJECTION: forcing a failure.
[   39.658993] name failslab, interval 1, probability 0, space 0, times 0
[   39.670431] CPU: 0 PID: 4952 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   39.677711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.687051] Call Trace:
[   39.689631]  dump_stack+0x1c9/0x2b4
[   39.693249]  ? dump_stack_print_info.cold.2+0x52/0x52
[   39.698447]  should_fail.cold.4+0xa/0x11
[   39.702507]  ? graph_lock+0x170/0x170
[   39.706299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   39.711407]  ? graph_lock+0x170/0x170
[   39.715213]  ? find_held_lock+0x36/0x1c0
[   39.719264]  ? __lock_is_held+0xb5/0x140
[   39.723335]  ? check_same_owner+0x340/0x340
[   39.727647]  ? rcu_note_context_switch+0x680/0x680
[   39.732570]  __should_failslab+0x124/0x180
[   39.736793]  should_failslab+0x9/0x14
[   39.740579]  kmem_cache_alloc+0x29c/0x710
[   39.744716]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   39.750252]  ptlock_alloc+0x20/0x80
[   39.753864]  pte_alloc_one+0x6b/0x1a0
[   39.757648]  __pte_alloc+0x2a/0x3c0
[   39.761264]  copy_page_range+0x161a/0x2310
[   39.765494]  ? pmd_alloc+0x180/0x180
[   39.769197]  ? find_held_lock+0x36/0x1c0
[   39.773249]  ? lock_downgrade+0x8f0/0x8f0
[   39.777401]  ? lock_release+0x9f0/0x9f0
[   39.781564]  ? check_same_owner+0x340/0x340
[   39.785876]  ? rcu_note_context_switch+0x680/0x680
[   39.790798]  ? up_write+0x7b/0x220
[   39.794342]  ? up_read+0x110/0x110
[   39.797878]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   39.803317]  ? anon_vma_fork+0x138/0x960
[   39.807377]  ? anon_vma_clone+0x740/0x740
[   39.811528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   39.816532]  ? __vma_link_rb+0x26d/0x370
[   39.820583]  copy_process+0x3ed9/0x7ad0
[   39.824561]  ? __cleanup_sighand+0x70/0x70
[   39.828787]  ? mark_held_locks+0x160/0x160
[   39.833006]  ? mark_held_locks+0x160/0x160
[   39.837226]  ? mark_held_locks+0x160/0x160
[   39.841457]  ? print_usage_bug+0xc0/0xc0
[   39.845506]  ? _raw_spin_unlock+0x22/0x30
[   39.849639]  ? print_usage_bug+0xc0/0xc0
[   39.853684]  ? lock_downgrade+0x8f0/0x8f0
[   39.857835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   39.863384]  ? process_measurement+0x280/0x1c10
[   39.868050]  ? graph_lock+0x170/0x170
[   39.871836]  ? kasan_check_read+0x11/0x20
[   39.875968]  ? do_raw_spin_unlock+0xa7/0x2f0
[   39.880363]  ? graph_lock+0x170/0x170
[   39.884189]  ? mark_held_locks+0x160/0x160
[   39.888420]  ? print_usage_bug+0xc0/0xc0
[   39.892472]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   39.897139]  ? mark_held_locks+0x160/0x160
[   39.901369]  ? __lock_acquire+0x7fc/0x5020
[   39.905608]  ? graph_lock+0x170/0x170
[   39.909412]  ? graph_lock+0x170/0x170
[   39.913204]  ? graph_lock+0x170/0x170
[   39.916993]  ? find_held_lock+0x36/0x1c0
[   39.921040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   39.926564]  ? _parse_integer+0x13b/0x190
[   39.930700]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   39.936223]  ? _kstrtoull+0x188/0x250
[   39.940008]  ? _parse_integer+0x190/0x190
[   39.944154]  ? graph_lock+0x170/0x170
[   39.947938]  ? lock_release+0x9f0/0x9f0
[   39.951902]  ? find_held_lock+0x36/0x1c0
[   39.955950]  ? lock_downgrade+0x8f0/0x8f0
[   39.960098]  ? kasan_check_read+0x11/0x20
[   39.964241]  ? rcu_is_watching+0x8c/0x150
[   39.968383]  ? pid_task+0x115/0x200
[   39.972009]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   39.976668]  ? graph_lock+0x170/0x170
[   39.980461]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   39.985985]  ? proc_fail_nth_write+0x9e/0x210
[   39.990468]  ? proc_cwd_link+0x1d0/0x1d0
[   39.994522]  ? trace_hardirqs_off+0xb8/0x2b0
[   39.998915]  ? find_held_lock+0x36/0x1c0
[   40.002964]  _do_fork+0x1ca/0x1170
[   40.006494]  ? fork_idle+0x240/0x240
[   40.010195]  ? __lock_is_held+0xb5/0x140
[   40.014249]  ? __sb_end_write+0xac/0xe0
[   40.018210]  ? vfs_write+0x2ad/0x560
[   40.021915]  ? do_syscall_64+0x9a/0x820
[   40.025875]  ? do_syscall_64+0x9a/0x820
[   40.029836]  ? lockdep_hardirqs_on+0x421/0x5c0
[   40.034414]  ? trace_hardirqs_on+0xbd/0x2c0
[   40.038734]  ? __ia32_sys_read+0xb0/0xb0
[   40.042784]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.048140]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   40.053252]  __x64_sys_clone+0xbf/0x150
[   40.057215]  do_syscall_64+0x1b9/0x820
[   40.061090]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   40.066444]  ? syscall_return_slowpath+0x5e0/0x5e0
[   40.071363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.076208]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   40.081217]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   40.086220]  ? prepare_exit_to_usermode+0x291/0x3b0
[   40.091236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.096068]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.101244] RIP: 0033:0x457099
[   40.104428] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   40.123339] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   40.131053] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   40.138304] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   40.145559] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   40.152813] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   40.160072] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   40.187493] FAULT_INJECTION: forcing a failure.
[   40.187493] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   40.199458] CPU: 0 PID: 4954 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   40.206718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.216059] Call Trace:
[   40.218645]  dump_stack+0x1c9/0x2b4
[   40.222262]  ? dump_stack_print_info.cold.2+0x52/0x52
[   40.227447]  should_fail.cold.4+0xa/0x11
[   40.231492]  ? print_usage_bug+0xc0/0xc0
[   40.235540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   40.240629]  ? graph_lock+0x170/0x170
[   40.244432]  ? mark_held_locks+0x160/0x160
[   40.248661]  ? graph_lock+0x170/0x170
[   40.252458]  ? find_held_lock+0x36/0x1c0
[   40.256510]  ? __lock_is_held+0xb5/0x140
[   40.260572]  ? check_same_owner+0x340/0x340
[   40.264885]  ? rcu_note_context_switch+0x680/0x680
[   40.269811]  __alloc_pages_nodemask+0x365/0xd10
[   40.274469]  ? __alloc_pages_slowpath+0x2cb0/0x2cb0
[   40.279473]  ? __lock_acquire+0x7fc/0x5020
[   40.283699]  ? mark_held_locks+0x160/0x160
[   40.287920]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   40.292570]  ? find_held_lock+0x36/0x1c0
[   40.296641]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   40.302167]  alloc_pages_current+0x10c/0x210
[   40.306570]  pte_alloc_one+0x1b/0x1a0
[   40.310361]  __pte_alloc+0x2a/0x3c0
[   40.313987]  copy_page_range+0x161a/0x2310
[   40.318219]  ? pmd_alloc+0x180/0x180
[   40.321926]  ? find_held_lock+0x36/0x1c0
[   40.325978]  ? lock_downgrade+0x8f0/0x8f0
[   40.330114]  ? lock_release+0x9f0/0x9f0
[   40.334079]  ? check_same_owner+0x340/0x340
[   40.338404]  ? rcu_note_context_switch+0x680/0x680
[   40.343335]  ? up_write+0x7b/0x220
[   40.346863]  ? up_read+0x110/0x110
[   40.350404]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   40.355851]  ? anon_vma_fork+0x138/0x960
[   40.359899]  ? anon_vma_clone+0x740/0x740
[   40.364037]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   40.369040]  ? __vma_link_rb+0x26d/0x370
[   40.373092]  copy_process+0x3ed9/0x7ad0
[   40.377068]  ? __cleanup_sighand+0x70/0x70
[   40.381291]  ? mark_held_locks+0x160/0x160
[   40.385509]  ? mark_held_locks+0x160/0x160
[   40.389727]  ? mark_held_locks+0x160/0x160
[   40.393949]  ? print_usage_bug+0xc0/0xc0
[   40.397993]  ? _raw_spin_unlock+0x22/0x30
[   40.402132]  ? print_usage_bug+0xc0/0xc0
[   40.406184]  ? lock_downgrade+0x8f0/0x8f0
[   40.410319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   40.415843]  ? process_measurement+0x280/0x1c10
[   40.420505]  ? graph_lock+0x170/0x170
[   40.424305]  ? kasan_check_read+0x11/0x20
[   40.428451]  ? do_raw_spin_unlock+0xa7/0x2f0
[   40.432847]  ? graph_lock+0x170/0x170
[   40.436646]  ? mark_held_locks+0x160/0x160
[   40.440869]  ? print_usage_bug+0xc0/0xc0
[   40.444922]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   40.449618]  ? mark_held_locks+0x160/0x160
[   40.453852]  ? __lock_acquire+0x7fc/0x5020
[   40.458077]  ? graph_lock+0x170/0x170
[   40.461880]  ? graph_lock+0x170/0x170
[   40.465666]  ? graph_lock+0x170/0x170
[   40.469460]  ? find_held_lock+0x36/0x1c0
[   40.473511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   40.479035]  ? _parse_integer+0x13b/0x190
[   40.483172]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   40.488701]  ? _kstrtoull+0x188/0x250
[   40.492489]  ? _parse_integer+0x190/0x190
[   40.496624]  ? graph_lock+0x170/0x170
[   40.500419]  ? lock_release+0x9f0/0x9f0
[   40.504409]  ? find_held_lock+0x36/0x1c0
[   40.508478]  ? lock_downgrade+0x8f0/0x8f0
[   40.512615]  ? kasan_check_read+0x11/0x20
[   40.516747]  ? rcu_is_watching+0x8c/0x150
[   40.520877]  ? pid_task+0x115/0x200
[   40.524490]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   40.529156]  ? graph_lock+0x170/0x170
[   40.532971]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   40.538497]  ? proc_fail_nth_write+0x9e/0x210
[   40.542976]  ? proc_cwd_link+0x1d0/0x1d0
[   40.547030]  ? trace_hardirqs_off+0xb8/0x2b0
[   40.551434]  ? find_held_lock+0x36/0x1c0
[   40.555504]  _do_fork+0x1ca/0x1170
[   40.559033]  ? fork_idle+0x240/0x240
[   40.562739]  ? __lock_is_held+0xb5/0x140
[   40.566795]  ? __sb_end_write+0xac/0xe0
[   40.570756]  ? vfs_write+0x2ad/0x560
[   40.574458]  ? do_syscall_64+0x9a/0x820
[   40.578425]  ? do_syscall_64+0x9a/0x820
[   40.582395]  ? lockdep_hardirqs_on+0x421/0x5c0
[   40.586971]  ? trace_hardirqs_on+0xbd/0x2c0
[   40.591280]  ? __ia32_sys_read+0xb0/0xb0
[   40.595356]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.600721]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   40.605816]  __x64_sys_clone+0xbf/0x150
[   40.609786]  do_syscall_64+0x1b9/0x820
[   40.613671]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   40.619025]  ? syscall_return_slowpath+0x5e0/0x5e0
[   40.623938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.628770]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   40.633794]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   40.638795]  ? prepare_exit_to_usermode+0x291/0x3b0
[   40.643797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.648629]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.653802] RIP: 0033:0x457099
[   40.656982] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   40.675866] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   40.683559] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   40.690810] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   40.698063] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   40.705315] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   40.712577] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   40.743258] FAULT_INJECTION: forcing a failure.
[   40.743258] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   40.755199] CPU: 1 PID: 4956 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   40.762472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.771811] Call Trace:
[   40.774407]  dump_stack+0x1c9/0x2b4
[   40.778033]  ? dump_stack_print_info.cold.2+0x52/0x52
[   40.783215]  should_fail.cold.4+0xa/0x11
[   40.787268]  ? print_usage_bug+0xc0/0xc0
[   40.791327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   40.796420]  ? graph_lock+0x170/0x170
[   40.800210]  ? mark_held_locks+0x160/0x160
[   40.804428]  ? graph_lock+0x170/0x170
[   40.808219]  ? find_held_lock+0x36/0x1c0
[   40.812269]  ? __lock_is_held+0xb5/0x140
[   40.816340]  ? check_same_owner+0x340/0x340
[   40.820657]  ? rcu_note_context_switch+0x680/0x680
[   40.825579]  __alloc_pages_nodemask+0x365/0xd10
[   40.830235]  ? __alloc_pages_slowpath+0x2cb0/0x2cb0
[   40.835238]  ? __lock_acquire+0x7fc/0x5020
[   40.839464]  ? mark_held_locks+0x160/0x160
[   40.843688]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   40.848338]  ? find_held_lock+0x36/0x1c0
[   40.852401]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   40.857930]  alloc_pages_current+0x10c/0x210
[   40.862328]  pte_alloc_one+0x1b/0x1a0
[   40.866144]  __pte_alloc+0x2a/0x3c0
[   40.869757]  copy_page_range+0x161a/0x2310
[   40.873990]  ? pmd_alloc+0x180/0x180
[   40.877714]  ? find_held_lock+0x36/0x1c0
[   40.881765]  ? lock_downgrade+0x8f0/0x8f0
[   40.886162]  ? lock_release+0x9f0/0x9f0
[   40.890130]  ? check_same_owner+0x340/0x340
[   40.894441]  ? rcu_note_context_switch+0x680/0x680
[   40.899392]  ? up_write+0x7b/0x220
[   40.902927]  ? up_read+0x110/0x110
[   40.906475]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   40.911914]  ? anon_vma_fork+0x138/0x960
[   40.915963]  ? anon_vma_clone+0x740/0x740
[   40.920097]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   40.925118]  ? __vma_link_rb+0x26d/0x370
[   40.929178]  copy_process+0x3ed9/0x7ad0
[   40.933159]  ? __cleanup_sighand+0x70/0x70
[   40.937418]  ? mark_held_locks+0x160/0x160
[   40.941637]  ? mark_held_locks+0x160/0x160
[   40.945854]  ? mark_held_locks+0x160/0x160
[   40.950096]  ? print_usage_bug+0xc0/0xc0
[   40.954169]  ? _raw_spin_unlock+0x22/0x30
[   40.958304]  ? print_usage_bug+0xc0/0xc0
[   40.962350]  ? lock_downgrade+0x8f0/0x8f0
[   40.966495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   40.972016]  ? process_measurement+0x280/0x1c10
[   40.976699]  ? graph_lock+0x170/0x170
[   40.980486]  ? kasan_check_read+0x11/0x20
[   40.984621]  ? do_raw_spin_unlock+0xa7/0x2f0
[   40.989011]  ? graph_lock+0x170/0x170
[   40.992810]  ? mark_held_locks+0x160/0x160
[   40.997032]  ? print_usage_bug+0xc0/0xc0
[   41.001078]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   41.005736]  ? mark_held_locks+0x160/0x160
[   41.009959]  ? __lock_acquire+0x7fc/0x5020
[   41.014178]  ? graph_lock+0x170/0x170
[   41.017965]  ? graph_lock+0x170/0x170
[   41.021750]  ? graph_lock+0x170/0x170
[   41.025539]  ? find_held_lock+0x36/0x1c0
[   41.029587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   41.035108]  ? _parse_integer+0x13b/0x190
[   41.039253]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   41.044773]  ? _kstrtoull+0x188/0x250
[   41.048568]  ? _parse_integer+0x190/0x190
[   41.052709]  ? graph_lock+0x170/0x170
[   41.056496]  ? lock_release+0x9f0/0x9f0
[   41.060457]  ? find_held_lock+0x36/0x1c0
[   41.064508]  ? lock_downgrade+0x8f0/0x8f0
[   41.068644]  ? kasan_check_read+0x11/0x20
[   41.072799]  ? rcu_is_watching+0x8c/0x150
[   41.076963]  ? pid_task+0x115/0x200
[   41.080577]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   41.085233]  ? graph_lock+0x170/0x170
[   41.089022]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   41.094543]  ? proc_fail_nth_write+0x9e/0x210
[   41.099021]  ? proc_cwd_link+0x1d0/0x1d0
[   41.103068]  ? trace_hardirqs_off+0xb8/0x2b0
[   41.107484]  ? find_held_lock+0x36/0x1c0
[   41.111539]  _do_fork+0x1ca/0x1170
[   41.115071]  ? fork_idle+0x240/0x240
[   41.118785]  ? __lock_is_held+0xb5/0x140
[   41.122847]  ? __sb_end_write+0xac/0xe0
[   41.126812]  ? vfs_write+0x2ad/0x560
[   41.130524]  ? do_syscall_64+0x9a/0x820
[   41.134516]  ? do_syscall_64+0x9a/0x820
[   41.138476]  ? lockdep_hardirqs_on+0x421/0x5c0
[   41.143040]  ? trace_hardirqs_on+0xbd/0x2c0
[   41.147347]  ? __ia32_sys_read+0xb0/0xb0
[   41.151406]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   41.156756]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   41.161850]  __x64_sys_clone+0xbf/0x150
[   41.165815]  do_syscall_64+0x1b9/0x820
[   41.169722]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   41.175069]  ? syscall_return_slowpath+0x5e0/0x5e0
[   41.180001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.184838]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   41.189842]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   41.194842]  ? prepare_exit_to_usermode+0x291/0x3b0
[   41.199844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.204690]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   41.209877] RIP: 0033:0x457099
[   41.213057] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   41.231942] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   41.239652] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   41.246907] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   41.254167] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   41.261421] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   41.268672] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   41.293815] FAULT_INJECTION: forcing a failure.
[   41.293815] name failslab, interval 1, probability 0, space 0, times 0
[   41.305102] CPU: 1 PID: 4957 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   41.312392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.321736] Call Trace:
[   41.324316]  dump_stack+0x1c9/0x2b4
[   41.327931]  ? dump_stack_print_info.cold.2+0x52/0x52
[   41.333143]  should_fail.cold.4+0xa/0x11
[   41.337194]  ? graph_lock+0x170/0x170
[   41.340990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   41.346088]  ? graph_lock+0x170/0x170
[   41.349899]  ? find_held_lock+0x36/0x1c0
[   41.353948]  ? __lock_is_held+0xb5/0x140
[   41.358019]  ? check_same_owner+0x340/0x340
[   41.362329]  ? rcu_note_context_switch+0x680/0x680
[   41.367246]  __should_failslab+0x124/0x180
[   41.371468]  should_failslab+0x9/0x14
[   41.375253]  kmem_cache_alloc+0x29c/0x710
[   41.379404]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   41.384943]  ptlock_alloc+0x20/0x80
[   41.388558]  pte_alloc_one+0x6b/0x1a0
[   41.392345]  __pte_alloc+0x2a/0x3c0
[   41.395977]  copy_page_range+0x161a/0x2310
[   41.400215]  ? pmd_alloc+0x180/0x180
[   41.403913]  ? find_held_lock+0x36/0x1c0
[   41.407964]  ? lock_downgrade+0x8f0/0x8f0
[   41.412100]  ? lock_release+0x9f0/0x9f0
[   41.416066]  ? check_same_owner+0x340/0x340
[   41.420385]  ? rcu_note_context_switch+0x680/0x680
[   41.425316]  ? up_write+0x7b/0x220
[   41.428844]  ? up_read+0x110/0x110
[   41.432401]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   41.437874]  ? anon_vma_fork+0x138/0x960
[   41.441923]  ? anon_vma_clone+0x740/0x740
[   41.446060]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   41.451063]  ? __vma_link_rb+0x26d/0x370
[   41.455111]  copy_process+0x3ed9/0x7ad0
[   41.459114]  ? __cleanup_sighand+0x70/0x70
[   41.463364]  ? mark_held_locks+0x160/0x160
[   41.467595]  ? mark_held_locks+0x160/0x160
[   41.471814]  ? mark_held_locks+0x160/0x160
[   41.476036]  ? print_usage_bug+0xc0/0xc0
[   41.480079]  ? _raw_spin_unlock+0x22/0x30
[   41.484223]  ? print_usage_bug+0xc0/0xc0
[   41.488266]  ? lock_downgrade+0x8f0/0x8f0
[   41.492405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   41.497931]  ? process_measurement+0x280/0x1c10
[   41.502581]  ? graph_lock+0x170/0x170
[   41.506371]  ? kasan_check_read+0x11/0x20
[   41.510516]  ? do_raw_spin_unlock+0xa7/0x2f0
[   41.514908]  ? graph_lock+0x170/0x170
[   41.518725]  ? mark_held_locks+0x160/0x160
[   41.522946]  ? print_usage_bug+0xc0/0xc0
[   41.526994]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   41.531653]  ? mark_held_locks+0x160/0x160
[   41.535875]  ? __lock_acquire+0x7fc/0x5020
[   41.540097]  ? graph_lock+0x170/0x170
[   41.543881]  ? graph_lock+0x170/0x170
[   41.547664]  ? graph_lock+0x170/0x170
[   41.551470]  ? find_held_lock+0x36/0x1c0
[   41.555529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   41.561068]  ? _parse_integer+0x13b/0x190
[   41.565216]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   41.570737]  ? _kstrtoull+0x188/0x250
[   41.574525]  ? _parse_integer+0x190/0x190
[   41.578656]  ? graph_lock+0x170/0x170
[   41.582444]  ? lock_release+0x9f0/0x9f0
[   41.586410]  ? find_held_lock+0x36/0x1c0
[   41.590466]  ? lock_downgrade+0x8f0/0x8f0
[   41.594625]  ? kasan_check_read+0x11/0x20
[   41.598761]  ? rcu_is_watching+0x8c/0x150
[   41.602892]  ? pid_task+0x115/0x200
[   41.606512]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   41.611182]  ? graph_lock+0x170/0x170
[   41.614971]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   41.620492]  ? proc_fail_nth_write+0x9e/0x210
[   41.624969]  ? proc_cwd_link+0x1d0/0x1d0
[   41.629016]  ? trace_hardirqs_off+0xb8/0x2b0
[   41.633411]  ? find_held_lock+0x36/0x1c0
[   41.637461]  _do_fork+0x1ca/0x1170
[   41.640996]  ? fork_idle+0x240/0x240
[   41.644700]  ? __lock_is_held+0xb5/0x140
[   41.648784]  ? __sb_end_write+0xac/0xe0
[   41.652746]  ? vfs_write+0x2ad/0x560
[   41.656450]  ? do_syscall_64+0x9a/0x820
[   41.660414]  ? do_syscall_64+0x9a/0x820
[   41.664380]  ? lockdep_hardirqs_on+0x421/0x5c0
[   41.672340]  ? trace_hardirqs_on+0xbd/0x2c0
[   41.676650]  ? __ia32_sys_read+0xb0/0xb0
[   41.680702]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   41.686051]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   41.691153]  __x64_sys_clone+0xbf/0x150
[   41.695116]  do_syscall_64+0x1b9/0x820
[   41.698998]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   41.704347]  ? syscall_return_slowpath+0x5e0/0x5e0
[   41.709269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.714096]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   41.719115]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   41.724135]  ? prepare_exit_to_usermode+0x291/0x3b0
[   41.729145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.733983]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   41.739155] RIP: 0033:0x457099
[   41.742332] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   41.761222] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   41.768917] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   41.776431] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   41.783687] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   41.790941] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   41.798193] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   41.821110] FAULT_INJECTION: forcing a failure.
[   41.821110] name failslab, interval 1, probability 0, space 0, times 0
[   41.832502] CPU: 1 PID: 4959 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   41.839769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.849106] Call Trace:
[   41.851694]  dump_stack+0x1c9/0x2b4
[   41.855309]  ? dump_stack_print_info.cold.2+0x52/0x52
[   41.860491]  should_fail.cold.4+0xa/0x11
[   41.864536]  ? graph_lock+0x170/0x170
[   41.868351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   41.873466]  ? graph_lock+0x170/0x170
[   41.877267]  ? find_held_lock+0x36/0x1c0
[   41.881331]  ? __lock_is_held+0xb5/0x140
[   41.885398]  ? check_same_owner+0x340/0x340
[   41.889711]  ? rcu_note_context_switch+0x680/0x680
[   41.894634]  __should_failslab+0x124/0x180
[   41.898858]  should_failslab+0x9/0x14
[   41.902652]  kmem_cache_alloc+0x29c/0x710
[   41.906811]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   41.912356]  ptlock_alloc+0x20/0x80
[   41.915980]  pte_alloc_one+0x6b/0x1a0
[   41.919768]  __pte_alloc+0x2a/0x3c0
[   41.923395]  copy_page_range+0x161a/0x2310
[   41.927634]  ? pmd_alloc+0x180/0x180
[   41.931347]  ? find_held_lock+0x36/0x1c0
[   41.935419]  ? lock_downgrade+0x8f0/0x8f0
[   41.939555]  ? lock_release+0x9f0/0x9f0
[   41.943514]  ? check_same_owner+0x340/0x340
[   41.947823]  ? rcu_note_context_switch+0x680/0x680
[   41.952986]  ? up_write+0x7b/0x220
[   41.956510]  ? up_read+0x110/0x110
[   41.960038]  ? anon_vma_interval_tree_insert+0x26b/0x300
[   41.965476]  ? anon_vma_fork+0x138/0x960
[   41.969525]  ? anon_vma_clone+0x740/0x740
[   41.973693]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   41.978698]  ? __vma_link_rb+0x26d/0x370
[   41.982750]  copy_process+0x3ed9/0x7ad0
[   41.986727]  ? __cleanup_sighand+0x70/0x70
[   41.990981]  ? mark_held_locks+0x160/0x160
[   41.995203]  ? mark_held_locks+0x160/0x160
[   41.999423]  ? mark_held_locks+0x160/0x160
[   42.003647]  ? print_usage_bug+0xc0/0xc0
[   42.007696]  ? _raw_spin_unlock+0x22/0x30
[   42.011829]  ? print_usage_bug+0xc0/0xc0
[   42.015875]  ? lock_downgrade+0x8f0/0x8f0
[   42.020029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   42.025589]  ? process_measurement+0x280/0x1c10
[   42.030259]  ? graph_lock+0x170/0x170
[   42.034045]  ? kasan_check_read+0x11/0x20
[   42.038179]  ? do_raw_spin_unlock+0xa7/0x2f0
[   42.042576]  ? graph_lock+0x170/0x170
[   42.046395]  ? mark_held_locks+0x160/0x160
[   42.050625]  ? print_usage_bug+0xc0/0xc0
[   42.054670]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   42.059333]  ? mark_held_locks+0x160/0x160
[   42.063580]  ? __lock_acquire+0x7fc/0x5020
[   42.067803]  ? graph_lock+0x170/0x170
[   42.071589]  ? graph_lock+0x170/0x170
[   42.075385]  ? graph_lock+0x170/0x170
[   42.079194]  ? find_held_lock+0x36/0x1c0
[   42.083255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   42.088788]  ? _parse_integer+0x13b/0x190
[   42.092923]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   42.098442]  ? _kstrtoull+0x188/0x250
[   42.102226]  ? _parse_integer+0x190/0x190
[   42.106358]  ? graph_lock+0x170/0x170
[   42.110155]  ? lock_release+0x9f0/0x9f0
[   42.114132]  ? find_held_lock+0x36/0x1c0
[   42.118198]  ? lock_downgrade+0x8f0/0x8f0
[   42.122337]  ? kasan_check_read+0x11/0x20
[   42.126488]  ? rcu_is_watching+0x8c/0x150
[   42.130625]  ? pid_task+0x115/0x200
[   42.134236]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   42.138890]  ? graph_lock+0x170/0x170
[   42.142684]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   42.148209]  ? proc_fail_nth_write+0x9e/0x210
[   42.152692]  ? proc_cwd_link+0x1d0/0x1d0
[   42.156737]  ? trace_hardirqs_off+0xb8/0x2b0
[   42.161136]  ? find_held_lock+0x36/0x1c0
[   42.165190]  _do_fork+0x1ca/0x1170
[   42.168719]  ? fork_idle+0x240/0x240
[   42.172423]  ? __lock_is_held+0xb5/0x140
[   42.176496]  ? __sb_end_write+0xac/0xe0
[   42.180460]  ? vfs_write+0x2ad/0x560
[   42.184162]  ? do_syscall_64+0x9a/0x820
[   42.188130]  ? do_syscall_64+0x9a/0x820
[   42.192158]  ? lockdep_hardirqs_on+0x421/0x5c0
[   42.196726]  ? trace_hardirqs_on+0xbd/0x2c0
[   42.201033]  ? __ia32_sys_read+0xb0/0xb0
[   42.205078]  ? trace_hardirqs_on+0x2c0/0x2c0
[   42.209472]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   42.214827]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   42.219955]  __x64_sys_clone+0xbf/0x150
[   42.223919]  do_syscall_64+0x1b9/0x820
[   42.227790]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   42.233150]  ? syscall_return_slowpath+0x5e0/0x5e0
[   42.238070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   42.242928]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   42.247932]  ? prepare_exit_to_usermode+0x291/0x3b0
[   42.252951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   42.257802]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   42.262977] RIP: 0033:0x457099
[   42.266157] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   42.285044] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   42.292740] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   42.299991] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   42.307246] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   42.314498] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   42.321750] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   42.345978] FAULT_INJECTION: forcing a failure.
[   42.345978] name failslab, interval 1, probability 0, space 0, times 0
[   42.357283] CPU: 1 PID: 4961 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   42.364557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.373897] Call Trace:
[   42.376486]  dump_stack+0x1c9/0x2b4
[   42.380101]  ? dump_stack_print_info.cold.2+0x52/0x52
[   42.385284]  ? copy_page_range+0x12ff/0x2310
[   42.389688]  should_fail.cold.4+0xa/0x11
[   42.393736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   42.398828]  ? graph_lock+0x170/0x170
[   42.402610]  ? find_held_lock+0x36/0x1c0
[   42.406657]  ? find_held_lock+0x36/0x1c0
[   42.410711]  ? __lock_is_held+0xb5/0x140
[   42.414763]  ? check_same_owner+0x340/0x340
[   42.419071]  ? rcu_note_context_switch+0x680/0x680
[   42.423983]  ? up_write+0x7b/0x220
[   42.427511]  __should_failslab+0x124/0x180
[   42.431732]  should_failslab+0x9/0x14
[   42.435517]  kmem_cache_alloc+0x29c/0x710
[   42.439651]  ? anon_vma_fork+0x138/0x960
[   42.443720]  vm_area_dup+0x7a/0x220
[   42.447337]  ? vm_area_alloc+0x1d0/0x1d0
[   42.451398]  ? __vma_link_rb+0x26d/0x370
[   42.455461]  copy_process+0x3a48/0x7ad0
[   42.459448]  ? __cleanup_sighand+0x70/0x70
[   42.463702]  ? mark_held_locks+0x160/0x160
[   42.467923]  ? mark_held_locks+0x160/0x160
[   42.472147]  ? mark_held_locks+0x160/0x160
[   42.476376]  ? print_usage_bug+0xc0/0xc0
[   42.480431]  ? _raw_spin_unlock+0x22/0x30
[   42.484582]  ? print_usage_bug+0xc0/0xc0
[   42.488648]  ? lock_downgrade+0x8f0/0x8f0
[   42.492804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   42.498327]  ? process_measurement+0x280/0x1c10
[   42.503000]  ? graph_lock+0x170/0x170
[   42.506799]  ? kasan_check_read+0x11/0x20
[   42.510944]  ? do_raw_spin_unlock+0xa7/0x2f0
[   42.515335]  ? graph_lock+0x170/0x170
[   42.519145]  ? mark_held_locks+0x160/0x160
[   42.523375]  ? print_usage_bug+0xc0/0xc0
[   42.527438]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   42.532099]  ? mark_held_locks+0x160/0x160
[   42.536327]  ? __lock_acquire+0x7fc/0x5020
[   42.540546]  ? graph_lock+0x170/0x170
[   42.544349]  ? graph_lock+0x170/0x170
[   42.548149]  ? graph_lock+0x170/0x170
[   42.551958]  ? find_held_lock+0x36/0x1c0
[   42.556006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   42.561528]  ? _parse_integer+0x13b/0x190
[   42.565663]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   42.571193]  ? _kstrtoull+0x188/0x250
[   42.574980]  ? _parse_integer+0x190/0x190
[   42.579112]  ? graph_lock+0x170/0x170
[   42.582904]  ? lock_release+0x9f0/0x9f0
[   42.586865]  ? find_held_lock+0x36/0x1c0
[   42.590914]  ? lock_downgrade+0x8f0/0x8f0
[   42.595051]  ? kasan_check_read+0x11/0x20
[   42.599185]  ? rcu_is_watching+0x8c/0x150
[   42.603318]  ? pid_task+0x115/0x200
[   42.606929]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   42.611588]  ? graph_lock+0x170/0x170
[   42.615400]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   42.620945]  ? proc_fail_nth_write+0x9e/0x210
[   42.625437]  ? proc_cwd_link+0x1d0/0x1d0
[   42.629482]  ? trace_hardirqs_off+0xb8/0x2b0
[   42.633875]  ? find_held_lock+0x36/0x1c0
[   42.637926]  _do_fork+0x1ca/0x1170
[   42.641454]  ? fork_idle+0x240/0x240
[   42.645154]  ? __lock_is_held+0xb5/0x140
[   42.649208]  ? __sb_end_write+0xac/0xe0
[   42.653195]  ? vfs_write+0x2ad/0x560
[   42.656897]  ? do_syscall_64+0x9a/0x820
[   42.660872]  ? do_syscall_64+0x9a/0x820
[   42.664832]  ? lockdep_hardirqs_on+0x421/0x5c0
[   42.669402]  ? trace_hardirqs_on+0xbd/0x2c0
[   42.673712]  ? __ia32_sys_read+0xb0/0xb0
[   42.677761]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   42.683109]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   42.688211]  __x64_sys_clone+0xbf/0x150
[   42.692175]  do_syscall_64+0x1b9/0x820
[   42.696048]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   42.701403]  ? syscall_return_slowpath+0x5e0/0x5e0
[   42.706318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   42.711154]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   42.716169]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   42.721177]  ? prepare_exit_to_usermode+0x291/0x3b0
[   42.726189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   42.731022]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   42.736197] RIP: 0033:0x457099
2018/09/02 05:11:53 executed programs: 7
[   42.739384] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   42.758287] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   42.765980] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   42.773232] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   42.780485] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   42.787737] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   42.794989] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   42.818707] FAULT_INJECTION: forcing a failure.
[   42.818707] name failslab, interval 1, probability 0, space 0, times 0
[   42.829985] CPU: 1 PID: 4963 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   42.837251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.846590] Call Trace:
[   42.849179]  dump_stack+0x1c9/0x2b4
[   42.852796]  ? dump_stack_print_info.cold.2+0x52/0x52
[   42.857973]  ? copy_page_range+0x12ff/0x2310
[   42.862380]  should_fail.cold.4+0xa/0x11
[   42.866438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   42.871532]  ? graph_lock+0x170/0x170
[   42.875314]  ? find_held_lock+0x36/0x1c0
[   42.879466]  ? find_held_lock+0x36/0x1c0
[   42.883513]  ? __lock_is_held+0xb5/0x140
[   42.887579]  ? check_same_owner+0x340/0x340
[   42.891903]  ? rcu_note_context_switch+0x680/0x680
[   42.896818]  ? up_write+0x7b/0x220
[   42.900347]  __should_failslab+0x124/0x180
[   42.904593]  should_failslab+0x9/0x14
[   42.908387]  kmem_cache_alloc+0x29c/0x710
[   42.912528]  ? anon_vma_fork+0x138/0x960
[   42.916604]  vm_area_dup+0x7a/0x220
[   42.920238]  ? vm_area_alloc+0x1d0/0x1d0
[   42.924289]  ? __vma_link_rb+0x26d/0x370
[   42.928356]  copy_process+0x3a48/0x7ad0
[   42.932341]  ? __cleanup_sighand+0x70/0x70
[   42.936568]  ? mark_held_locks+0x160/0x160
[   42.940805]  ? mark_held_locks+0x160/0x160
[   42.945024]  ? mark_held_locks+0x160/0x160
[   42.949266]  ? print_usage_bug+0xc0/0xc0
[   42.953312]  ? _raw_spin_unlock+0x22/0x30
[   42.957447]  ? print_usage_bug+0xc0/0xc0
[   42.961492]  ? lock_downgrade+0x8f0/0x8f0
[   42.965646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   42.971171]  ? process_measurement+0x280/0x1c10
[   42.975824]  ? graph_lock+0x170/0x170
[   42.979623]  ? kasan_check_read+0x11/0x20
[   42.983760]  ? do_raw_spin_unlock+0xa7/0x2f0
[   42.988177]  ? graph_lock+0x170/0x170
[   42.992007]  ? mark_held_locks+0x160/0x160
[   42.996231]  ? print_usage_bug+0xc0/0xc0
[   43.000279]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   43.004936]  ? mark_held_locks+0x160/0x160
[   43.009159]  ? __lock_acquire+0x7fc/0x5020
[   43.013392]  ? graph_lock+0x170/0x170
[   43.017185]  ? graph_lock+0x170/0x170
[   43.020978]  ? graph_lock+0x170/0x170
[   43.024769]  ? find_held_lock+0x36/0x1c0
[   43.028818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   43.034343]  ? _parse_integer+0x13b/0x190
[   43.038485]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   43.044005]  ? _kstrtoull+0x188/0x250
[   43.047792]  ? _parse_integer+0x190/0x190
[   43.051922]  ? graph_lock+0x170/0x170
[   43.055707]  ? lock_release+0x9f0/0x9f0
[   43.059666]  ? find_held_lock+0x36/0x1c0
[   43.063734]  ? lock_downgrade+0x8f0/0x8f0
[   43.067874]  ? kasan_check_read+0x11/0x20
[   43.072006]  ? rcu_is_watching+0x8c/0x150
[   43.076148]  ? pid_task+0x115/0x200
[   43.079766]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   43.084428]  ? graph_lock+0x170/0x170
[   43.088220]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   43.093743]  ? proc_fail_nth_write+0x9e/0x210
[   43.098224]  ? proc_cwd_link+0x1d0/0x1d0
[   43.102269]  ? trace_hardirqs_off+0xb8/0x2b0
[   43.106662]  ? find_held_lock+0x36/0x1c0
[   43.110733]  _do_fork+0x1ca/0x1170
[   43.114264]  ? fork_idle+0x240/0x240
[   43.117966]  ? __lock_is_held+0xb5/0x140
[   43.122133]  ? __sb_end_write+0xac/0xe0
[   43.126095]  ? vfs_write+0x2ad/0x560
[   43.129795]  ? do_syscall_64+0x9a/0x820
[   43.133763]  ? do_syscall_64+0x9a/0x820
[   43.137722]  ? lockdep_hardirqs_on+0x421/0x5c0
[   43.142291]  ? trace_hardirqs_on+0xbd/0x2c0
[   43.146608]  ? __ia32_sys_read+0xb0/0xb0
[   43.150663]  ? trace_hardirqs_on+0x2c0/0x2c0
[   43.155061]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.160415]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   43.165518]  __x64_sys_clone+0xbf/0x150
[   43.169491]  do_syscall_64+0x1b9/0x820
[   43.173367]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   43.178729]  ? syscall_return_slowpath+0x5e0/0x5e0
[   43.183642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.188471]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   43.193505]  ? prepare_exit_to_usermode+0x291/0x3b0
[   43.198512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.203342]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.208544] RIP: 0033:0x457099
[   43.211728] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   43.230612] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   43.238304] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   43.245558] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   43.252809] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   43.260060] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   43.267319] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   43.291270] FAULT_INJECTION: forcing a failure.
[   43.291270] name failslab, interval 1, probability 0, space 0, times 0
[   43.302561] CPU: 1 PID: 4965 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   43.309832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.319173] Call Trace:
[   43.321754]  dump_stack+0x1c9/0x2b4
[   43.325374]  ? dump_stack_print_info.cold.2+0x52/0x52
[   43.330561]  ? copy_page_range+0x12ff/0x2310
[   43.334984]  should_fail.cold.4+0xa/0x11
[   43.339034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   43.344136]  ? graph_lock+0x170/0x170
[   43.347940]  ? find_held_lock+0x36/0x1c0
[   43.351986]  ? find_held_lock+0x36/0x1c0
[   43.356662]  ? __lock_is_held+0xb5/0x140
[   43.360722]  ? check_same_owner+0x340/0x340
[   43.365029]  ? rcu_note_context_switch+0x680/0x680
[   43.369944]  ? up_write+0x7b/0x220
[   43.373485]  __should_failslab+0x124/0x180
[   43.377723]  should_failslab+0x9/0x14
[   43.381510]  kmem_cache_alloc+0x29c/0x710
[   43.385653]  ? anon_vma_fork+0x138/0x960
[   43.389714]  vm_area_dup+0x7a/0x220
[   43.393354]  ? vm_area_alloc+0x1d0/0x1d0
[   43.397420]  ? __vma_link_rb+0x26d/0x370
[   43.401468]  copy_process+0x3a48/0x7ad0
[   43.405460]  ? __cleanup_sighand+0x70/0x70
[   43.409690]  ? mark_held_locks+0x160/0x160
[   43.413912]  ? mark_held_locks+0x160/0x160
[   43.418137]  ? mark_held_locks+0x160/0x160
[   43.422361]  ? print_usage_bug+0xc0/0xc0
[   43.426419]  ? _raw_spin_unlock+0x22/0x30
[   43.430551]  ? print_usage_bug+0xc0/0xc0
[   43.434596]  ? lock_downgrade+0x8f0/0x8f0
[   43.438732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   43.444255]  ? process_measurement+0x280/0x1c10
[   43.448906]  ? graph_lock+0x170/0x170
[   43.452713]  ? kasan_check_read+0x11/0x20
[   43.456846]  ? do_raw_spin_unlock+0xa7/0x2f0
[   43.461238]  ? graph_lock+0x170/0x170
[   43.465056]  ? mark_held_locks+0x160/0x160
[   43.469277]  ? print_usage_bug+0xc0/0xc0
[   43.473322]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   43.477980]  ? mark_held_locks+0x160/0x160
[   43.482204]  ? __lock_acquire+0x7fc/0x5020
[   43.486429]  ? graph_lock+0x170/0x170
[   43.490219]  ? graph_lock+0x170/0x170
[   43.494005]  ? graph_lock+0x170/0x170
[   43.497797]  ? find_held_lock+0x36/0x1c0
[   43.501845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   43.507372]  ? _parse_integer+0x13b/0x190
[   43.511521]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   43.517046]  ? _kstrtoull+0x188/0x250
[   43.520835]  ? _parse_integer+0x190/0x190
[   43.524988]  ? graph_lock+0x170/0x170
[   43.528774]  ? lock_release+0x9f0/0x9f0
[   43.532734]  ? find_held_lock+0x36/0x1c0
[   43.536789]  ? lock_downgrade+0x8f0/0x8f0
[   43.540927]  ? kasan_check_read+0x11/0x20
[   43.545062]  ? rcu_is_watching+0x8c/0x150
[   43.549199]  ? pid_task+0x115/0x200
[   43.552811]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   43.557467]  ? graph_lock+0x170/0x170
[   43.561281]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   43.566830]  ? proc_fail_nth_write+0x9e/0x210
[   43.571316]  ? proc_cwd_link+0x1d0/0x1d0
[   43.575366]  ? trace_hardirqs_off+0xb8/0x2b0
[   43.579773]  ? find_held_lock+0x36/0x1c0
[   43.583824]  _do_fork+0x1ca/0x1170
[   43.587354]  ? fork_idle+0x240/0x240
[   43.591085]  ? __lock_is_held+0xb5/0x140
[   43.595150]  ? __sb_end_write+0xac/0xe0
[   43.599145]  ? vfs_write+0x2ad/0x560
[   43.602859]  ? do_syscall_64+0x9a/0x820
[   43.606839]  ? do_syscall_64+0x9a/0x820
[   43.610826]  ? lockdep_hardirqs_on+0x421/0x5c0
[   43.615404]  ? trace_hardirqs_on+0xbd/0x2c0
[   43.619717]  ? __ia32_sys_read+0xb0/0xb0
[   43.623762]  ? trace_hardirqs_on+0x2c0/0x2c0
[   43.628157]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.633510]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   43.638620]  __x64_sys_clone+0xbf/0x150
[   43.642585]  do_syscall_64+0x1b9/0x820
[   43.646457]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   43.651809]  ? syscall_return_slowpath+0x5e0/0x5e0
[   43.656740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.661580]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   43.666598]  ? prepare_exit_to_usermode+0x291/0x3b0
[   43.671624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.676456]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.681632] RIP: 0033:0x457099
[   43.684824] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   43.703729] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   43.711432] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   43.718694] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   43.725964] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   43.733236] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   43.740489] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   43.765332] FAULT_INJECTION: forcing a failure.
[   43.765332] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   43.777296] CPU: 1 PID: 4967 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   43.784573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.793951] Call Trace:
[   43.796537]  dump_stack+0x1c9/0x2b4
[   43.800156]  ? dump_stack_print_info.cold.2+0x52/0x52
[   43.805339]  should_fail.cold.4+0xa/0x11
[   43.809403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   43.814506]  ? graph_lock+0x170/0x170
[   43.818302]  ? print_usage_bug+0xc0/0xc0
[   43.822378]  ? graph_lock+0x170/0x170
[   43.826180]  ? do_raw_read_unlock+0x3f/0x60
[   43.830504]  ? find_held_lock+0x36/0x1c0
[   43.834564]  ? __lock_is_held+0xb5/0x140
[   43.838615]  ? check_same_owner+0x340/0x340
[   43.842924]  ? rcu_note_context_switch+0x680/0x680
[   43.847860]  __alloc_pages_nodemask+0x365/0xd10
[   43.852517]  ? pat_pagerange_is_ram+0x12e/0x210
[   43.857179]  ? __alloc_pages_slowpath+0x2cb0/0x2cb0
[   43.862188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   43.867711]  ? lookup_memtype+0x64/0x1d0
[   43.871766]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   43.876768]  ? reserve_pfn_range+0x161/0x620
[   43.881168]  ? track_pfn_copy+0x119/0x2b0
[   43.885303]  ? reserve_pfn_range+0x620/0x620
[   43.889705]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   43.895232]  alloc_pages_current+0x10c/0x210
[   43.899629]  ? find_held_lock+0x36/0x1c0
[   43.903676]  pte_alloc_one+0x1b/0x1a0
[   43.907469]  __pte_alloc+0x2a/0x3c0
[   43.911081]  copy_page_range+0x161a/0x2310
[   43.915305]  ? __rb_insert_augmented+0x3b6/0x18b0
[   43.920154]  ? __save_stack_trace+0x8d/0xf0
[   43.924482]  ? rb_insert_color_cached+0x14c0/0x14c0
[   43.929514]  ? pmd_alloc+0x180/0x180
[   43.933237]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.938588]  ? graph_lock+0x170/0x170
[   43.942385]  ? lock_downgrade+0x8f0/0x8f0
[   43.946527]  ? graph_lock+0x170/0x170
[   43.950312]  ? graph_lock+0x170/0x170
[   43.954098]  ? find_held_lock+0x36/0x1c0
[   43.958160]  ? lock_downgrade+0x8f0/0x8f0
[   43.962519]  ? lock_release+0x9f0/0x9f0
[   43.966491]  ? check_same_owner+0x340/0x340
[   43.970797]  ? dup_userfaultfd+0x775/0x9a0
[   43.975017]  ? rcu_read_lock_sched_held+0x108/0x120
[   43.980040]  ? rcu_note_context_switch+0x680/0x680
[   43.984982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   43.989986]  ? __vma_link_rb+0x26d/0x370
[   43.994037]  copy_process+0x3ed9/0x7ad0
[   43.998038]  ? __cleanup_sighand+0x70/0x70
[   44.002275]  ? mark_held_locks+0x160/0x160
[   44.006515]  ? mark_held_locks+0x160/0x160
[   44.010735]  ? mark_held_locks+0x160/0x160
[   44.014958]  ? print_usage_bug+0xc0/0xc0
[   44.019006]  ? _raw_spin_unlock+0x22/0x30
[   44.023154]  ? print_usage_bug+0xc0/0xc0
[   44.027200]  ? lock_downgrade+0x8f0/0x8f0
[   44.031339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   44.036870]  ? process_measurement+0x280/0x1c10
[   44.041524]  ? graph_lock+0x170/0x170
[   44.045312]  ? kasan_check_read+0x11/0x20
[   44.049447]  ? do_raw_spin_unlock+0xa7/0x2f0
[   44.053840]  ? graph_lock+0x170/0x170
[   44.057639]  ? mark_held_locks+0x160/0x160
[   44.061862]  ? print_usage_bug+0xc0/0xc0
[   44.065933]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   44.070596]  ? mark_held_locks+0x160/0x160
[   44.074834]  ? __lock_acquire+0x7fc/0x5020
[   44.079056]  ? graph_lock+0x170/0x170
[   44.082840]  ? graph_lock+0x170/0x170
[   44.086639]  ? graph_lock+0x170/0x170
[   44.090434]  ? find_held_lock+0x36/0x1c0
[   44.094483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   44.100011]  ? _parse_integer+0x13b/0x190
[   44.104155]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   44.109701]  ? _kstrtoull+0x188/0x250
[   44.113490]  ? _parse_integer+0x190/0x190
[   44.117663]  ? graph_lock+0x170/0x170
[   44.121477]  ? lock_release+0x9f0/0x9f0
[   44.125444]  ? find_held_lock+0x36/0x1c0
[   44.129495]  ? lock_downgrade+0x8f0/0x8f0
[   44.133631]  ? kasan_check_read+0x11/0x20
[   44.137778]  ? rcu_is_watching+0x8c/0x150
[   44.141909]  ? pid_task+0x115/0x200
[   44.145522]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   44.150199]  ? graph_lock+0x170/0x170
[   44.153992]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   44.159513]  ? proc_fail_nth_write+0x9e/0x210
[   44.163992]  ? proc_cwd_link+0x1d0/0x1d0
[   44.168040]  ? trace_hardirqs_off+0xb8/0x2b0
[   44.172454]  ? find_held_lock+0x36/0x1c0
[   44.176508]  _do_fork+0x1ca/0x1170
[   44.180038]  ? fork_idle+0x240/0x240
[   44.183738]  ? __lock_is_held+0xb5/0x140
[   44.187792]  ? __sb_end_write+0xac/0xe0
[   44.191755]  ? vfs_write+0x2ad/0x560
[   44.195461]  ? do_syscall_64+0x9a/0x820
[   44.199440]  ? do_syscall_64+0x9a/0x820
[   44.203426]  ? lockdep_hardirqs_on+0x421/0x5c0
[   44.207997]  ? trace_hardirqs_on+0xbd/0x2c0
[   44.212303]  ? __ia32_sys_read+0xb0/0xb0
[   44.216348]  ? trace_hardirqs_on+0x2c0/0x2c0
[   44.220752]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   44.226118]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   44.231220]  __x64_sys_clone+0xbf/0x150
[   44.235185]  do_syscall_64+0x1b9/0x820
[   44.239071]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   44.244424]  ? syscall_return_slowpath+0x5e0/0x5e0
[   44.249338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.254169]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   44.259193]  ? prepare_exit_to_usermode+0x291/0x3b0
[   44.264200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.269034]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   44.274224] RIP: 0033:0x457099
[   44.277407] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   44.296302] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   44.303998] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   44.311253] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   44.318510] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   44.325769] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   44.333030] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   44.340936] WARNING: CPU: 1 PID: 4967 at arch/x86/mm/pat.c:1055 untrack_pfn+0x2b8/0x320
[   44.349086] Kernel panic - not syncing: panic_on_warn set ...
[   44.349086] 
[   44.356435] CPU: 1 PID: 4967 Comm: syz-executor0 Not tainted 4.19.0-rc1+ #218
[   44.363702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.373073] Call Trace:
[   44.375654]  dump_stack+0x1c9/0x2b4
[   44.379270]  ? dump_stack_print_info.cold.2+0x52/0x52
[   44.384450]  panic+0x238/0x4e7
[   44.387628]  ? add_taint.cold.5+0x16/0x16
[   44.391765]  ? __warn.cold.8+0x148/0x1ba
[   44.395819]  ? __warn.cold.8+0x117/0x1ba
[   44.399906]  ? untrack_pfn+0x2b8/0x320
[   44.403779]  __warn.cold.8+0x163/0x1ba
[   44.407652]  ? untrack_pfn+0x2b8/0x320
[   44.411527]  report_bug+0x252/0x2d0
[   44.415149]  do_error_trap+0x1fc/0x4d0
[   44.419038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   44.424603]  ? math_error+0x3e0/0x3e0
[   44.428410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.433241]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   44.438267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   44.443813]  ? __follow_pte_pmd+0x519/0xaa0
[   44.448151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.452982]  do_invalid_op+0x1b/0x20
[   44.456699]  invalid_op+0x14/0x20
[   44.460152] RIP: 0010:untrack_pfn+0x2b8/0x320
[   44.464631] Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 38 36 45 00 <0f> 0b eb b5 4c 89 e7 e8 8c 33 84 00 e9 86 fe ff ff 48 8b bd 28 ff
[   44.483522] RSP: 0018:ffff8801cfa76d68 EFLAGS: 00010293
[   44.488875] RAX: ffff8801d7306480 RBX: 1ffff10039f4edaf RCX: ffffffff81378904
[   44.496136] RDX: 0000000000000000 RSI: ffffffff81378a48 RDI: 0000000000000005
[   44.503405] RBP: ffff8801cfa76e40 R08: ffff8801d7306480 R09: 0000000000000000
[   44.510660] R10: ffffed00395a5f55 R11: ffff8801cad2faab R12: ffff8801ce030358
[   44.517918] R13: 00000000ffffffea R14: ffff8801cfa76e18 R15: 0000000000000000
[   44.525187]  ? untrack_pfn+0x174/0x320
[   44.529077]  ? untrack_pfn+0x2b8/0x320
[   44.532970]  ? untrack_pfn+0x2b8/0x320
[   44.536855]  ? track_pfn_insert+0x180/0x180
[   44.541163]  ? trace_hardirqs_off+0xb8/0x2b0
[   44.545566]  ? _raw_spin_unlock_irqrestore+0x63/0xc0
[   44.550658]  ? kmem_cache_free+0xa0/0x280
[   44.554831]  unmap_single_vma+0x1c5/0x310
[   44.558971]  unmap_vmas+0x125/0x200
[   44.562584]  exit_mmap+0x2c2/0x590
[   44.566115]  ? __ia32_sys_munmap+0x80/0x80
[   44.570362]  ? __khugepaged_exit+0x455/0x6a0
[   44.574797]  mmput+0x265/0x620
[   44.577979]  ? lock_downgrade+0x841/0x8f0
[   44.582114]  ? set_mm_exe_file+0x200/0x200
[   44.586365]  ? __lock_is_held+0xb5/0x140
[   44.590456]  copy_process+0x3037/0x7ad0
[   44.594444]  ? __cleanup_sighand+0x70/0x70
[   44.598700]  ? mark_held_locks+0x160/0x160
[   44.602942]  ? mark_held_locks+0x160/0x160
[   44.607172]  ? mark_held_locks+0x160/0x160
[   44.611409]  ? print_usage_bug+0xc0/0xc0
[   44.615456]  ? _raw_spin_unlock+0x22/0x30
[   44.619586]  ? print_usage_bug+0xc0/0xc0
[   44.623629]  ? lock_downgrade+0x8f0/0x8f0
[   44.627765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   44.633290]  ? process_measurement+0x280/0x1c10
[   44.637944]  ? graph_lock+0x170/0x170
[   44.641819]  ? kasan_check_read+0x11/0x20
[   44.645957]  ? do_raw_spin_unlock+0xa7/0x2f0
[   44.650361]  ? graph_lock+0x170/0x170
[   44.654196]  ? mark_held_locks+0x160/0x160
[   44.658422]  ? print_usage_bug+0xc0/0xc0
[   44.662479]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   44.667162]  ? mark_held_locks+0x160/0x160
[   44.671397]  ? __lock_acquire+0x7fc/0x5020
[   44.675622]  ? graph_lock+0x170/0x170
[   44.679408]  ? graph_lock+0x170/0x170
[   44.683200]  ? graph_lock+0x170/0x170
[   44.686991]  ? find_held_lock+0x36/0x1c0
[   44.691044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   44.696567]  ? _parse_integer+0x13b/0x190
[   44.700713]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   44.706258]  ? _kstrtoull+0x188/0x250
[   44.710054]  ? _parse_integer+0x190/0x190
[   44.714194]  ? graph_lock+0x170/0x170
[   44.717979]  ? lock_release+0x9f0/0x9f0
[   44.721940]  ? find_held_lock+0x36/0x1c0
[   44.725994]  ? lock_downgrade+0x8f0/0x8f0
[   44.730139]  ? kasan_check_read+0x11/0x20
[   44.734277]  ? rcu_is_watching+0x8c/0x150
[   44.738417]  ? pid_task+0x115/0x200
[   44.742045]  ? rcu_cleanup_dead_rnp+0x200/0x200
[   44.746714]  ? graph_lock+0x170/0x170
[   44.750505]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   44.756029]  ? proc_fail_nth_write+0x9e/0x210
[   44.760508]  ? proc_cwd_link+0x1d0/0x1d0
[   44.764554]  ? trace_hardirqs_off+0xb8/0x2b0
[   44.768949]  ? find_held_lock+0x36/0x1c0
[   44.773004]  _do_fork+0x1ca/0x1170
[   44.776541]  ? fork_idle+0x240/0x240
[   44.780246]  ? __lock_is_held+0xb5/0x140
[   44.784321]  ? __sb_end_write+0xac/0xe0
[   44.788293]  ? vfs_write+0x2ad/0x560
[   44.791996]  ? do_syscall_64+0x9a/0x820
[   44.795957]  ? do_syscall_64+0x9a/0x820
[   44.799916]  ? lockdep_hardirqs_on+0x421/0x5c0
[   44.804483]  ? trace_hardirqs_on+0xbd/0x2c0
[   44.808789]  ? __ia32_sys_read+0xb0/0xb0
[   44.812835]  ? trace_hardirqs_on+0x2c0/0x2c0
[   44.817256]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   44.822630]  ? trace_hardirqs_off_caller+0x2b0/0x2b0
[   44.827729]  __x64_sys_clone+0xbf/0x150
[   44.831699]  do_syscall_64+0x1b9/0x820
[   44.835572]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   44.840924]  ? syscall_return_slowpath+0x5e0/0x5e0
[   44.845837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.850667]  ? trace_hardirqs_on_caller+0x2b0/0x2b0
[   44.855675]  ? prepare_exit_to_usermode+0x291/0x3b0
[   44.860692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.865523]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   44.870703] RIP: 0033:0x457099
[   44.873893] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   44.892785] RSP: 002b:00007fffa4fc7928 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   44.900485] RAX: ffffffffffffffda RBX: 0000000001bac914 RCX: 0000000000457099
[   44.907744] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000
[   44.914999] RBP: 00000000009300a0 R08: 00000000200011c0 R09: 0000000000000000
[   44.922257] R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000004
[   44.929514] R13: 00000000004cb8a8 R14: 00000000004c31af R15: 0000000000000036
[   44.937382] Dumping ftrace buffer:
[   44.941028]    (ftrace buffer empty)
[   44.944723] Kernel Offset: disabled
[   44.948339] Rebooting in 86400 seconds..