device gre0 entered promiscuous mode

=====================================
[ BUG: bad unlock balance detected! ]
4.9.67-gf26d3c7 #106 Not tainted
-------------------------------------
syz-executor3/11108 is trying to release lock ([   77.583672] netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'.
mrt_lock) at:
but there are no more locks to release!

other info that might help us debug this:
1 lock held by syz-executor3/11108:
 #0:  (&p->lock){+.+.+.}, at: [<ffffffff815e4cdd>] seq_read+0xdd/0x1290 fs/seq_file.c:178

stack backtrace:
CPU: 1 PID: 11108 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cdf578e8 ffffffff81d906e9 ffffffff849ae8f8 ffff8801a1f13000
 ffffffff834dec54 ffffffff849ae8f8 ffff8801a1f13888 ffff8801cdf57918
 ffffffff812353f4 dffffc0000000000 ffffffff849ae8f8 00000000ffffffff
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff812353f4>] print_unlock_imbalance_bug+0x174/0x1a0 kernel/locking/lockdep.c:3398
 [<ffffffff8123dec8>] __lock_release kernel/locking/lockdep.c:3540 [inline]
 [<ffffffff8123dec8>] lock_release+0x6f8/0xb80 kernel/locking/lockdep.c:3775
 [<ffffffff838a951a>] __raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline]
 [<ffffffff838a951a>] _raw_read_unlock+0x1a/0x50 kernel/locking/spinlock.c:255
 [<ffffffff834dec54>] ipmr_mfc_seq_stop+0xe4/0x140 net/ipv6/ip6mr.c:553
 [<ffffffff815e5683>] seq_read+0xa83/0x1290 fs/seq_file.c:283
 [<ffffffff816be32f>] proc_reg_read+0xef/0x170 fs/proc/inode.c:202
 [<ffffffff81568cb1>] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714
 [<ffffffff8156cb20>] do_loop_readv_writev fs/read_write.c:880 [inline]
 [<ffffffff8156cb20>] do_readv_writev+0x520/0x750 fs/read_write.c:874
 [<ffffffff8156cdd4>] vfs_readv+0x84/0xc0 fs/read_write.c:898
 [<ffffffff8156cef6>] do_readv+0xe6/0x250 fs/read_write.c:924
 [<ffffffff815703e7>] SYSC_readv fs/read_write.c:1011 [inline]
 [<ffffffff815703e7>] SyS_readv+0x27/0x30 fs/read_write.c:1008
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
IPv6: NLM_F_REPLACE set, but no existing node found!
netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
IPv6: NLM_F_REPLACE set, but no existing node found!
9pnet_virtio: no channels available for device H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H
netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'.
IPVS: Creating netns size=2536 id=21
9pnet_virtio: no channels available for device H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�H�
netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'.
binder: 11463:11465 ioctl 40046205 0 returned -22
binder: 11463:11465 ERROR: BC_REGISTER_LOOPER called without request
binder: 11463:11465 ioctl c0306201 20008fd0 returned -11
binder: 11463:11465 got transaction to invalid handle
binder: 11463:11465 transaction failed 29201/-22, size 0-8 line 3007
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=11474 comm=syz-executor5
binder: 11463:11465 got reply transaction with bad transaction stack, transaction 140 has target 11463:0
binder: 11463:11465 transaction failed 29201/-71, size 24-8 line 2938
binder: release 11463:11465 transaction 140 out, still active
binder: undelivered TRANSACTION_ERROR: 29201
binder: 11463:11465 BC_FREE_BUFFER u0000000000000000 no match
binder: 11463:11465 IncRefs 0 refcount change on invalid ref 1 ret -22
binder: 11463:11465 got transaction to invalid handle
binder: 11463:11496 ioctl 40046205 6 returned -22
binder: 11463:11497 ioctl 40046205 0 returned -22
binder: 11463:11465 transaction failed 29201/-22, size 72-8 line 3007
binder: send failed reply for transaction 140, target dead
binder: 11463:11496 ERROR: BC_REGISTER_LOOPER called without request
binder_alloc: 11463: binder_alloc_buf size 536870912 failed, no address space
binder_alloc: allocated: 0 (num: 0 largest: 0), free: 8192 (num: 1 largest: 8192)
binder: 11463:11497 unknown command 0
binder: 11463:11497 ioctl c0306201 20002fd0 returned -22
binder: 11463:11496 BC_FREE_BUFFER u0000000000000000 no match
binder: 11463:11465 transaction failed 29201/-28, size 536870912-0 line 3130
binder: 11463:11496 IncRefs 0 refcount change on invalid ref 1 ret -22
device gre0 entered promiscuous mode
binder: 11463:11496 got transaction to invalid handle
binder: 11463:11496 transaction failed 29201/-22, size 72-8 line 3007
binder: 11463:11496 ioctl c0306201 20005fd0 returned -14
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_ERROR: 29201
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 11549 Comm: syz-executor2 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801a42078e0 ffffffff81d906e9 ffff8801a4207bc0 0000000000000000
 ffff8801d2361490 ffff8801a4207ab0 ffff8801d2361380 ffff8801a4207ad8
 ffffffff8165e307 ffff8801d95a4800 ffff8801a4207a30 00000001cf41d067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff81494ed8>] strndup_user+0x28/0xb0 mm/util.c:160
 [<ffffffff81bb6b46>] SYSC_request_key security/keys/keyctl.c:186 [inline]
 [<ffffffff81bb6b46>] SyS_request_key+0xd6/0x2d0 security/keys/keyctl.c:158
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
tc_dump_action: action bad kind
device gre0 entered promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'.
IPv6: NLM_F_REPLACE set, but no existing node found!
device gre0 entered promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'.
IPv6: NLM_F_REPLACE set, but no existing node found!
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11805 comm=syz-executor2
sg_write: data in/out 196569/89 bytes for SCSI command 0x4e-- guessing data in;
   program syz-executor2 not setting count and/or reply_len properly
IPVS: Creating netns size=2536 id=22
pktgen: kernel_thread() failed for cpu 0
pktgen: Cannot create thread for cpu 0 (-4)
pktgen: kernel_thread() failed for cpu 1
pktgen: Cannot create thread for cpu 1 (-4)
pktgen: Initialization failed for all threads
sock: process `syz-executor7' is using obsolete setsockopt SO_BSDCOMPAT
netlink: 72 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor2'.
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 11996 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cf507710 ffffffff81d906e9 ffff8801cf5079f0 0000000000000000
 ffff8801d2361c10 ffff8801cf5078e0 ffff8801d2361b00 ffff8801cf507908
 ffffffff8165e307 ffffffff84649700 ffff8801cf507860 00000001da0e6067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff815afb68>] SYSC_select fs/select.c:652 [inline]
 [<ffffffff815afb68>] SyS_select+0x158/0x1e0 fs/select.c:634
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
CPU: 0 PID: 12041 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cf127830 ffffffff81d906e9 ffff8801cf127b10 0000000000000000
 ffff8801d2361c10 ffff8801cf127a00 ffff8801d2361b00 ffff8801cf127a28
 ffffffff8165e307 ffff8801db221400 ffff8801cf127980 00000001da0e6067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff81baa42d>] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline]
 [<ffffffff81baa42d>] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
CPU: 1 PID: 12015 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d110f8c0 ffffffff81d906e9 ffff8801d110fba0 0000000000000000
 ffff8801d2361c10 ffff8801d110fa90 ffff8801d2361b00 ffff8801d110fab8
 ffffffff8165e307 ffff8801c94d4800 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
CPU: 0 PID: 12031 Comm: syz-executor3 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d192f980 ffffffff81d906e9 ffff8801d192fc60 0000000000000000
 ffff8801d2361c10 ffff8801d192fb50 ffff8801d2361b00 ffff8801d192fb78
 ffffffff8165e307 ffffffff00000002 ffff880100000014 0000000000000044
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'.
device gre0 entered promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'.
device gre0 left promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'.
device gre0 entered promiscuous mode
device gre0 left promiscuous mode
tmpfs: No value for mount option 'bYX�S[�^\ҥ���!j�9Ԗ^��m�)��D�9@�!�/�K���p��Gz]#a�Ti�[y�GJ��Y�
V
Ұ��L/��k�!�n�9�GdA2��$gIx�Wi��^U�$,2'
tmpfs: No value for mount option 'bYX�S[�^\ҥ���!j�9Ԗ^��m�)��D�9@�!�/�K���p��Gz]#a�Ti�[y�GJ��Y�
V
Ұ��L/��k�!�n�9�GdA2��$gIx�Wi��^U�$,2'
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
binder: 12229:12230 got new transaction with bad transaction stack, transaction 150 has target 12229:0
binder: 12229:12230 transaction failed 29201/-71, size 0-0 line 3034
device gre0 entered promiscuous mode
binder: release 12229:12230 transaction 150 out, still active
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
binder: send failed reply for transaction 150, target dead
netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'.
IPVS: Creating netns size=2536 id=23
device gre0 entered promiscuous mode
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 12405 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cb1175d0 ffffffff81d906e9 ffff8801cb1178b0 0000000000000000
 ffff8801d2361f10 ffff8801cb1177a0 ffff8801d2361e00 ffff8801cb1177c8
 ffffffff8165e307 0000000041b58ab3 ffff8801cb117720 00000001d039a067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff815aa59a>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff815aa59a>] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679
 [<ffffffff815ab5bf>] SYSC_ioctl fs/ioctl.c:694 [inline]
 [<ffffffff815ab5bf>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
CPU: 0 PID: 12413 Comm: syz-executor0 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cafdf850 ffffffff81d906e9 ffff8801cafdfb30 0000000000000000
 ffff8801d2361f10 ffff8801cafdfa20 ffff8801d2361e00 ffff8801cafdfa48
 ffffffff8165e307 0000000000000000 ffff8801cafdf9a0 00000001d039a067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff815a814c>] do_fcntl fs/fcntl.c:284 [inline]
 [<ffffffff815a814c>] SYSC_fcntl fs/fcntl.c:372 [inline]
 [<ffffffff815a814c>] SyS_fcntl+0x81c/0xc70 fs/fcntl.c:357
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
pktgen: kernel_thread() failed for cpu 0
pktgen: Cannot create thread for cpu 0 (-4)
pktgen: kernel_thread() failed for cpu 1
pktgen: Cannot create thread for cpu 1 (-4)
pktgen: Initialization failed for all threads
device gre0 left promiscuous mode
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 12503 Comm: syz-executor1 Not tainted 4.9.67-gf26d3c7 #106
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d124f840 ffffffff81d906e9 ffff8801d124fb20 0000000000000000
 ffff8801c682ed10 ffff8801d124fa10 ffff8801c682ec00 ffff8801d124fa38
 ffffffff8165e307 ffffffff838a9178 ffff8801d124f990 00000001cd195067
Call Trace:
 [<ffffffff81d906e9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d906e9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e307>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd5f1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd5f1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd5f1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd5f1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd452>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406
 [<ffffffff810ddbf7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469
 [<ffffffff838aab58>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff815e8f60>] SYSC_fsetxattr fs/xattr.c:504 [inline]
 [<ffffffff815e8f60>] SyS_fsetxattr+0x130/0x190 fs/xattr.c:493
 [<ffffffff838a9985>] entry_SYSCALL_64_fastpath+0x23/0xc6
binder: 12560:12564 ioctl 40046205 0 returned -22
binder: 12560:12564 ERROR: BC_REGISTER_LOOPER called without request
binder: 12564 RLIMIT_NICE not set
binder: 12560:12564 ioctl 540f 20009000 returned -22
binder: 12560:12564 BC_FREE_BUFFER u00000000ffffffff no match
binder_alloc: 12560: binder_alloc_buf, no vma
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered transaction 154, process died.
sd 0:0:1:0: [sg0] tag#107 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#107 CDB: Test Unit Ready
sd 0:0:1:0: [sg0] tag#107 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#107 CDB[10]: 00 00 00 00 10 27 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#107 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#107 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00
binder: 12560:12577 ioctl 40046205 5 returned -22
binder: 12560:12577 ioctl 40046205 0 returned -22
binder: BINDER_SET_CONTEXT_MGR already set
binder: 12560:12600 ioctl 40046207 0 returned -16
binder: 12560:12577 ERROR: BC_REGISTER_LOOPER called without request
binder: 12560:12618 ioctl 540f 20009000 returned -22
binder: 12560:12617 BC_FREE_BUFFER u0000000000000000 no match
binder: 12560:12564 transaction failed 29189/-3, size 72-8 line 3130
binder_alloc: 12560: binder_alloc_buf, no vma
binder: 12560:12600 transaction failed 29189/-3, size 0-0 line 3130
binder_alloc: 12560: binder_alloc_buf, no vma
binder: 12560:12617 transaction failed 29189/-3, size 72-8 line 3130
binder: undelivered TRANSACTION_ERROR: 29189
netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'.
binder: 12634:12640 got transaction with invalid parent offset or type
binder: 12634:12640 transaction failed 29201/-22, size 80-16 line 3315
netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'.
binder_alloc: binder_alloc_mmap_handler: 12634 20000000-20002000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 12634:12691 ioctl 40046207 0 returned -16
binder_alloc: 12634: binder_alloc_buf, no vma
binder: 12634:12683 transaction failed 29189/-3, size 80-16 line 3130
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_ERROR: 29189