BUG: looking up invalid subclass: 8
turning off the locking correctness validator.
CPU: 0 PID: 7508 Comm: syz-executor6 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 look_up_lock_class kernel/locking/lockdep.c:686 [inline]
 register_lock_class+0x5f2/0x2c70 kernel/locking/lockdep.c:769
 __lock_acquire+0x203/0x4770 kernel/locking/lockdep.c:3387
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
 down_read_nested+0x9a/0x150 kernel/locking/rwsem.c:157
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:666 [inline]
 snd_seq_deliver_event+0x559/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:676 [inline]
 snd_seq_deliver_event+0x362/0x820 sound/core/seq/seq_clientmgr.c:811
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 dummy_input+0x2c4/0x400 sound/core/seq/seq_dummy.c:104
 snd_seq_deliver_single_event.constprop.11+0x2fb/0x940 sound/core/seq/seq_clientmgr.c:621
 snd_seq_deliver_event+0x176/0x820 sound/core/seq/seq_clientmgr.c:822
 snd_seq_kernel_client_dispatch+0x11e/0x150 sound/core/seq/seq_clientmgr.c:2317
 snd_seq_oss_dispatch sound/core/seq/oss/seq_oss_device.h:150 [inline]
 snd_seq_oss_midi_reset+0x44b/0x700 sound/core/seq/oss/seq_oss_midi.c:481
 snd_seq_oss_synth_reset+0x398/0x980 sound/core/seq/oss/seq_oss_synth.c:416
 snd_seq_oss_reset+0x6c/0x260 sound/core/seq/oss/seq_oss_init.c:448
 snd_seq_oss_release+0x71/0x120 sound/core/seq/oss/seq_oss_init.c:425
 odev_release+0x52/0x70 sound/core/seq/oss/seq_oss.c:153
 __fput+0x333/0x7f0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9b5/0x1ad0 kernel/exit.c:869
 do_group_exit+0x149/0x400 kernel/exit.c:972
 get_signal+0x73f/0x16d0 kernel/signal.c:2333
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath+0x42f/0x510 arch/x86/entry/common.c:266
 entry_SYSCALL_64_fastpath+0xbc/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f4471417ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000758048 RCX: 0000000000452869
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000758048
RBP: 0000000000758048 R08: 00000000000005ad R09: 0000000000758020
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a6f7ff R14: 00007f44714189c0 R15: 0000000000000000
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7503 comm=syz-executor0
handle_userfault: 63 callbacks suppressed
FAULT_FLAG_ALLOW_RETRY missing 31
CPU: 1 PID: 7544 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 handle_userfault+0x12fa/0x24c0 fs/userfaultfd.c:427
 do_anonymous_page mm/memory.c:3161 [inline]
 handle_pte_fault mm/memory.c:3934 [inline]
 __handle_mm_fault+0x3823/0x39c0 mm/memory.c:4060
 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097
 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1449
 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1524
 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1067
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180
RSP: 0018:ffff8801d942fd88 EFLAGS: 00010246
RAX: ffffed003b285fd9 RBX: 0000000000000040 RCX: 0000000000000040
RDX: 0000000000000040 RSI: ffff8801d942fe88 RDI: 0000000020012f83
RBP: ffff8801d942fdb8 R08: ffffed003b285fd9 R09: ffffed003b285fd9
R10: 0000000000000008 R11: ffffed003b285fd8 R12: 0000000020012f83
R13: ffff8801d942fe88 R14: 00007ffffffff000 R15: 0000000020012fc3
 copy_to_user include/linux/uaccess.h:155 [inline]
 extract_crng_user drivers/char/random.c:938 [inline]
 urandom_read+0x108/0x5c0 drivers/char/random.c:1782
 SYSC_getrandom drivers/char/random.c:1928 [inline]
 SyS_getrandom+0xc3/0x120 drivers/char/random.c:1907
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f6f13a80be8 EFLAGS: 00000212 ORIG_RAX: 000000000000013e
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000001 RSI: 000000000000007d RDI: 0000000020012f83
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 0000000000a6f7ff R14: 00007f6f13a819c0 R15: 0000000000000000
loop_reread_partitions: partition scan of loop0 () failed (rc=-13)
nla_parse: 1 callbacks suppressed
netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 8762 Comm: syz-executor2 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc mm/slab.c:3373 [inline]
 kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3613
 kmalloc include/linux/slab.h:500 [inline]
 kzalloc include/linux/slab.h:689 [inline]
 do_shmat+0x645/0xf20 ipc/shm.c:1362
 SYSC_shmat ipc/shm.c:1439 [inline]
 SyS_shmat+0x8a/0xf0 ipc/shm.c:1434
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f5587d7fbe8 EFLAGS: 00000212 ORIG_RAX: 000000000000001e
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000004000 RSI: 000000002016e000 RDI: 0000000000000000
RBP: 00007f5587d7fa20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f5587d7fb58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8781 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3637
 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:982 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1145 [inline]
 netlink_sendmsg+0xa86/0xe70 net/netlink/af_netlink.c:1837
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f6f13a80be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 0000000020636fda RDI: 0000000000000013
RBP: 00007f6f13a80a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f6f13a80b58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8787 Comm: syz-executor2 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc mm/slab.c:3373 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3547
 kmem_cache_zalloc include/linux/slab.h:679 [inline]
 get_empty_filp+0xfb/0x4f0 fs/file_table.c:123
 alloc_file+0x26/0x3a0 fs/file_table.c:164
 do_shmat+0x6e5/0xf20 ipc/shm.c:1368
 SYSC_shmat ipc/shm.c:1439 [inline]
 SyS_shmat+0x8a/0xf0 ipc/shm.c:1434
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f5587d7fbe8 EFLAGS: 00000212 ORIG_RAX: 000000000000001e
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000004000 RSI: 000000002016e000 RDI: 0000000000000000
RBP: 00007f5587d7fa20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f5587d7fb58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8796 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3656
 __do_kmalloc_node mm/slab.c:3676 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3691
 __kmalloc_reserve.isra.40+0x41/0xd0 net/core/skbuff.c:137
 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:982 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1145 [inline]
 netlink_sendmsg+0xa86/0xe70 net/netlink/af_netlink.c:1837
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f6f13a80be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 0000000020636fda RDI: 0000000000000013
RBP: 00007f6f13a80a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f6f13a80b58 R14: 00000000004b7560 R15: 0000000000000000
CPU: 1 PID: 8798 Comm: syz-executor2 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc mm/slab.c:3373 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3547
 kmem_cache_zalloc include/linux/slab.h:679 [inline]
 file_alloc_security security/selinux/hooks.c:369 [inline]
 selinux_file_alloc_security+0xae/0x190 security/selinux/hooks.c:3455
 security_file_alloc+0x6d/0xa0 security/security.c:873
 get_empty_filp+0x189/0x4f0 fs/file_table.c:129
 alloc_file+0x26/0x3a0 fs/file_table.c:164
 do_shmat+0x6e5/0xf20 ipc/shm.c:1368
 SYSC_shmat ipc/shm.c:1439 [inline]
 SyS_shmat+0x8a/0xf0 ipc/shm.c:1434
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f5587d7fbe8 EFLAGS: 00000212 ORIG_RAX: 000000000000001e
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000004000 RSI: 000000002016e000 RDI: 0000000000000000
RBP: 00007f5587d7fa20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f5587d7fb58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8810 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3637
 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:982 [inline]
 inet_rtm_getroute+0x2ab/0x2da0 net/ipv4/route.c:2702
 rtnetlink_rcv_msg+0x51c/0x1020 net/core/rtnetlink.c:4332
 netlink_rcv_skb+0x216/0x440 net/netlink/af_netlink.c:2401
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4356
 netlink_unicast_kernel net/netlink/af_netlink.c:1273 [inline]
 netlink_unicast+0x4e8/0x6f0 net/netlink/af_netlink.c:1299
 netlink_sendmsg+0xa4a/0xe70 net/netlink/af_netlink.c:1862
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f6f13a80be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 0000000020636fda RDI: 0000000000000013
RBP: 00007f6f13a80a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f6f13a80b58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8816 Comm: syz-executor2 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc mm/slab.c:3373 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3547
 __split_vma+0x1b7/0x8c0 mm/mmap.c:2547
 do_munmap+0x24e/0xdf0 mm/mmap.c:2661
 mmap_region+0x59e/0x15a0 mm/mmap.c:1631
 do_mmap+0x6a1/0xd50 mm/mmap.c:1468
 do_mmap_pgoff include/linux/mm.h:2200 [inline]
 do_shmat+0xcb4/0xf20 ipc/shm.c:1404
 SYSC_shmat ipc/shm.c:1439 [inline]
 SyS_shmat+0x8a/0xf0 ipc/shm.c:1434
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f5587d7fbe8 EFLAGS: 00000212 ORIG_RAX: 000000000000001e
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000004000 RSI: 000000002016e000 RDI: 0000000000000000
RBP: 00007f5587d7fa20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f5587d7fb58 R14: 00000000004b7560 R15: 0000000000000000
CPU: 1 PID: 8772 Comm: syz-executor7 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3637
 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:982 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1145 [inline]
 netlink_sendmsg+0xa86/0xe70 net/netlink/af_netlink.c:1837
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f2bcfdb0be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 00000000208bafdc RDI: 0000000000000013
RBP: 00007f2bcfdb0a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f2bcfdb0b58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8829 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3656
 __do_kmalloc_node mm/slab.c:3676 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3691
 __kmalloc_reserve.isra.40+0x41/0xd0 net/core/skbuff.c:137
 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:982 [inline]
 inet_rtm_getroute+0x2ab/0x2da0 net/ipv4/route.c:2702
 rtnetlink_rcv_msg+0x51c/0x1020 net/core/rtnetlink.c:4332
 netlink_rcv_skb+0x216/0x440 net/netlink/af_netlink.c:2401
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4356
 netlink_unicast_kernel net/netlink/af_netlink.c:1273 [inline]
 netlink_unicast+0x4e8/0x6f0 net/netlink/af_netlink.c:1299
 netlink_sendmsg+0xa4a/0xe70 net/netlink/af_netlink.c:1862
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f6f13a80be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 0000000020636fda RDI: 0000000000000013
RBP: 00007f6f13a80a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f6f13a80b58 R14: 00000000004b7560 R15: 0000000000000000
CPU: 1 PID: 8847 Comm: syz-executor2 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc mm/slab.c:3373 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3547
 anon_vma_chain_alloc mm/rmap.c:128 [inline]
 anon_vma_clone+0x139/0x700 mm/rmap.c:268
 __split_vma+0x3a3/0x8c0 mm/mmap.c:2567
 do_munmap+0x24e/0xdf0 mm/mmap.c:2661
 mmap_region+0x59e/0x15a0 mm/mmap.c:1631
 do_mmap+0x6a1/0xd50 mm/mmap.c:1468
 do_mmap_pgoff include/linux/mm.h:2200 [inline]
 do_shmat+0xcb4/0xf20 ipc/shm.c:1404
 SYSC_shmat ipc/shm.c:1439 [inline]
 SyS_shmat+0x8a/0xf0 ipc/shm.c:1434
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f5587d5ebe8 EFLAGS: 00000212 ORIG_RAX: 000000000000001e
RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452869
RDX: 0000000000004000 RSI: 000000002016e000 RDI: 0000000000000000
RBP: 00007f5587d5ea20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f5587d5eb58 R14: 00000000004b7560 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9269 Comm: syz-executor3 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3637
 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:982 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1145 [inline]
 netlink_sendmsg+0xa86/0xe70 net/netlink/af_netlink.c:1837
 sock_sendmsg_nosec net/socket.c:632 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:642
 sock_write_iter+0x320/0x5e0 net/socket.c:911
 call_write_iter include/linux/fs.h:1771 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007fd5a2290be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000024 RSI: 0000000020636fda RDI: 0000000000000013
RBP: 00007fd5a2290a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007fd5a2290b58 R14: 00000000004b7560 R15: 0000000000000000
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=9511 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=9527 comm=syz-executor3
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9542 Comm: syz-executor6 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:425 [inline]
 slab_alloc_node mm/slab.c:3294 [inline]
 kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3656
 kmalloc_node include/linux/slab.h:538 [inline]
 kzalloc_node include/linux/slab.h:700 [inline]
 __get_vm_area_node+0xae/0x340 mm/vmalloc.c:1402
 __vmalloc_node_range+0xa3/0x650 mm/vmalloc.c:1754
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc+0x45/0x50 mm/vmalloc.c:1810
 bpf_prog_alloc+0xa6/0x310 kernel/bpf/core.c:84
 bpf_prog_create_from_user+0xab/0x2b0 net/core/filter.c:1178
 fanout_set_data_cbpf net/packet/af_packet.c:1569 [inline]
 fanout_set_data net/packet/af_packet.c:1603 [inline]
 packet_setsockopt+0x109c/0x1e80 net/packet/af_packet.c:3804
 SYSC_setsockopt net/socket.c:1851 [inline]
 SyS_setsockopt+0x189/0x360 net/socket.c:1830
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f4471417be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000016 RSI: 0000000000000107 RDI: 0000000000000014
RBP: 00007f4471417a20 R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020ffaff0 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f4471417b58 R14: 00000000004b7560 R15: 0000000000000000
syz-executor6: vmalloc: allocation failure: 4096 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor6 cpuset=/ mems_allowed=0
CPU: 1 PID: 9542 Comm: syz-executor6 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3265
 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc+0x45/0x50 mm/vmalloc.c:1810
 bpf_prog_alloc+0xa6/0x310 kernel/bpf/core.c:84
 bpf_prog_create_from_user+0xab/0x2b0 net/core/filter.c:1178
 fanout_set_data_cbpf net/packet/af_packet.c:1569 [inline]
 fanout_set_data net/packet/af_packet.c:1603 [inline]
 packet_setsockopt+0x109c/0x1e80 net/packet/af_packet.c:3804
 SYSC_setsockopt net/socket.c:1851 [inline]
 SyS_setsockopt+0x189/0x360 net/socket.c:1830
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f4471417be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869
RDX: 0000000000000016 RSI: 0000000000000107 RDI: 0000000000000014
RBP: 00007f4471417a20 R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020ffaff0 R11: 0000000000000212 R12: 00000000004b7550
R13: 00007f4471417b58 R14: 00000000004b7560 R15: 0000000000000000
Mem-Info:
active_anon:118400 inactive_anon:35 isolated_anon:0
 active_file:3622 inactive_file:8255 isolated_file:0
 unevictable:0 dirty:117 writeback:0 unstable:0
 slab_reclaimable:7350 slab_unreclaimable:89507
 mapped:22757 shmem:74 pagetables:860 bounce:0
 free:1379434 free_pcp:381 free_cma:0
Node 0 active_anon:473600kB inactive_anon:140kB active_file:14488kB inactive_file:33020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91028kB dirty:468kB writeback:0kB shmem:296kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2882 6395 6395
Node 0 DMA32 free:2953324kB min:30384kB low:37980kB high:45576kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2954188kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:864kB local_pcp:724kB free_cma:0kB
lowmem_reserve[]: 0 0 3513 3513