8021q: adding VLAN 0 to HW filter on device bond0

============================================
WARNING: possible recursive locking detected
4.18.0-rc7+ #169 Not tainted
--------------------------------------------
syz-executor1/7809 is trying to acquire lock:
00000000392ff45f (&(&bond->stats_lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:310 [inline]
00000000392ff45f (&(&bond->stats_lock)->rlock){+.+.}, at: bond_get_stats+0xb4/0x560 drivers/net/bonding/bond_main.c:3426

but task is already holding lock:
00000000ff1d59cf (&(&bond->stats_lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:310 [inline]
00000000ff1d59cf (&(&bond->stats_lock)->rlock){+.+.}, at: bond_get_stats+0xb4/0x560 drivers/net/bonding/bond_main.c:3426

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&(&bond->stats_lock)->rlock);
  lock(&(&bond->stats_lock)->rlock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

3 locks held by syz-executor1/7809:
 #0: 000000005473f1b6 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
 #0: 000000005473f1b6 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x412/0xc30 net/core/rtnetlink.c:4662
 #1: 00000000ff1d59cf (&(&bond->stats_lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:310 [inline]
 #1: 00000000ff1d59cf (&(&bond->stats_lock)->rlock){+.+.}, at: bond_get_stats+0xb4/0x560 drivers/net/bonding/bond_main.c:3426
 #2: 000000003da55118 (rcu_read_lock){....}, at: bond_get_stats+0x0/0x560 include/linux/compiler.h:215

stack backtrace:
CPU: 0 PID: 7809 Comm: syz-executor1 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 print_deadlock_bug kernel/locking/lockdep.c:1765 [inline]
 check_deadlock kernel/locking/lockdep.c:1809 [inline]
 validate_chain kernel/locking/lockdep.c:2405 [inline]
 __lock_acquire.cold.64+0x1fb/0x486 kernel/locking/lockdep.c:3435
 lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:310 [inline]
 bond_get_stats+0xb4/0x560 drivers/net/bonding/bond_main.c:3426
 dev_get_stats+0x10f/0x470 net/core/dev.c:8316
 bond_get_stats+0x232/0x560 drivers/net/bonding/bond_main.c:3432
 dev_get_stats+0x10f/0x470 net/core/dev.c:8316
 rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1169
 rtnl_fill_ifinfo+0x1aa6/0x3fb0 net/core/rtnetlink.c:1611
 rtmsg_ifinfo_build_skb+0xc8/0x190 net/core/rtnetlink.c:3268
 rtmsg_ifinfo_event.part.30+0x45/0xe0 net/core/rtnetlink.c:3300
 rtmsg_ifinfo_event net/core/rtnetlink.c:3297 [inline]
 rtnetlink_event+0x144/0x170 net/core/rtnetlink.c:4716
 notifier_call_chain+0x180/0x390 kernel/notifier.c:93
 __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401
 call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1735
 call_netdevice_notifiers net/core/dev.c:1753 [inline]
 netdev_features_change net/core/dev.c:1321 [inline]
 netdev_change_features+0xb3/0x110 net/core/dev.c:7759
 bond_compute_features.isra.47+0x585/0xa50 drivers/net/bonding/bond_main.c:1120
 bond_enslave+0x1b25/0x5da0 drivers/net/bonding/bond_main.c:1755
 do_set_master+0x1c9/0x220 net/core/rtnetlink.c:2248
 do_setlink+0xba4/0x3e10 net/core/rtnetlink.c:2382
 rtnl_setlink+0x2a9/0x400 net/core/rtnetlink.c:2636
 rtnetlink_rcv_msg+0x46e/0xc30 net/core/rtnetlink.c:4665
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2448
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4683
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfd0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:641 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:651
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2125
 __sys_sendmsg+0x11d/0x290 net/socket.c:2163
 __do_sys_sendmsg net/socket.c:2172 [inline]
 __se_sys_sendmsg net/socket.c:2170 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2170
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f9fa2ff8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9fa2ff96d4 RCX: 0000000000456a09
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000014
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d3088 R14: 00000000004c7d66 R15: 0000000000000000
ÿ: Enslaving bond0 as an active interface with an up link
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: NLM_F_CREATE should be set when creating new route
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
bond0: cannot enslave bond to itself.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: NLM_F_CREATE should be set when creating new route
bond0: cannot enslave bond to itself.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: NLM_F_CREATE should be set when creating new route
bond0: cannot enslave bond to itself.
bond0: cannot enslave bond to itself.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 8287 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 __do_kmalloc mm/slab.c:3716 [inline]
 __kmalloc_track_caller+0x2c4/0x760 mm/slab.c:3733
 memdup_user+0x2c/0xa0 mm/util.c:160
 strndup_user+0x77/0xd0 mm/util.c:217
 copy_mount_string fs/namespace.c:2752 [inline]
 ksys_mount+0x3c/0x140 fs/namespace.c:3049
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8322 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 __do_kmalloc mm/slab.c:3716 [inline]
 __kmalloc_track_caller+0x2c4/0x760 mm/slab.c:3733
 memdup_user+0x2c/0xa0 mm/util.c:160
 strndup_user+0x77/0xd0 mm/util.c:217
 copy_mount_string fs/namespace.c:2752 [inline]
 ksys_mount+0x73/0x140 fs/namespace.c:3054
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000001
validate_nla: 3 callbacks suppressed
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8365 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc_trace+0x2cb/0x780 mm/slab.c:3618
 kmalloc include/linux/slab.h:513 [inline]
 copy_mount_options+0x5f/0x380 fs/namespace.c:2727
 ksys_mount+0xd0/0x140 fs/namespace.c:3059
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000002
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8398 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
bond0: cannot enslave bond to itself.
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 user_path_at_empty+0x2d/0x50 fs/namei.c:2584
 user_path include/linux/namei.h:62 [inline]
 do_mount+0x17a/0x30e0 fs/namespace.c:2788
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8420 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
 getname_kernel+0x54/0x370 fs/namei.c:220
 kern_path+0x1e/0x40 fs/namei.c:2410
 do_loopback fs/namespace.c:2213 [inline]
 do_mount+0xe51/0x30e0 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000004
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8438 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
 getname_kernel+0x54/0x370 fs/namei.c:220
 kern_path+0x1e/0x40 fs/namei.c:2410
 do_loopback fs/namespace.c:2213 [inline]
 do_mount+0xe51/0x30e0 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000005
netlink: 'syz-executor5': attribute type 21 has an invalid length.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
netlink: 'syz-executor5': attribute type 21 has an invalid length.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8457 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
 kmem_cache_zalloc include/linux/slab.h:697 [inline]
 alloc_vfsmnt+0xe8/0x9f0 fs/namespace.c:205
 clone_mnt+0x124/0x14a0 fs/namespace.c:1077
 copy_tree+0x169/0xb00 fs/namespace.c:1777
 do_loopback fs/namespace.c:2243 [inline]
 do_mount+0x1ea3/0x30e0 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000006
bond0: cannot enslave bond to itself.
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 8481 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:3057 [inline]
 prepare_alloc_pages mm/page_alloc.c:4325 [inline]
 __alloc_pages_nodemask+0x36e/0xdb0 mm/page_alloc.c:4363
 __alloc_pages include/linux/gfp.h:456 [inline]
 __alloc_pages_node include/linux/gfp.h:469 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x710 mm/slab.c:2677
 cache_alloc_refill mm/slab.c:3044 [inline]
 ____cache_alloc mm/slab.c:3127 [inline]
 __do_cache_alloc mm/slab.c:3349 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x689/0x760 mm/slab.c:3552
 getname_kernel+0x54/0x370 fs/namei.c:220
 kern_path+0x1e/0x40 fs/namei.c:2410
 do_loopback fs/namespace.c:2213 [inline]
 do_mount+0xe51/0x30e0 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000007
netlink: 'syz-executor5': attribute type 21 has an invalid length.
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
netlink: 'syz-executor5': attribute type 21 has an invalid length.
CPU: 1 PID: 8495 Comm: syz-executor0 Not tainted 4.18.0-rc7+ #169
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
 kmem_cache_zalloc include/linux/slab.h:697 [inline]
 alloc_vfsmnt+0xe8/0x9f0 fs/namespace.c:205
 clone_mnt+0x124/0x14a0 fs/namespace.c:1077
 copy_tree+0x169/0xb00 fs/namespace.c:1777
 do_loopback fs/namespace.c:2243 [inline]
 do_mount+0x1ea3/0x30e0 fs/namespace.c:2842
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456a09
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 
RSP: 002b:00007f818f41ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f818f41b6d4 RCX: 0000000000456a09
RDX: 0000000020753000 RSI: 0000000020000880 RDI: 0000000020000380
RBP: 00000000009300a0 R08: 0000000020000640 R09: 0000000000000000
R10: 0000000000005010 R11: 0000000000000246 R12: 0000000000000013
R13: 00000000004d1738 R14: 00000000004c6e79 R15: 0000000000000008
bond0: cannot enslave bond to itself.