================================
WARNING: inconsistent lock state
4.15.0-rc9+ #283 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
syz-fuzzer/3724 [HC0[0]:SC1[1]:HE1:SE0] takes:
 (&(&est->lock)->rlock){+.?.}, at: [<000000008de269fa>] spin_lock include/linux/spinlock.h:310 [inline]
 (&(&est->lock)->rlock){+.?.}, at: [<000000008de269fa>] est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70
{SOFTIRQ-ON-W} state was registered at:
  lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914
  __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]
  est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70
  gen_new_estimator+0x317/0x770 net/core/gen_estimator.c:162
  xt_rateest_tg_checkentry+0x487/0xaa0 net/netfilter/xt_RATEEST.c:135
  xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845
  check_target net/ipv6/netfilter/ip6_tables.c:538 [inline]
  find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580
  translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749
  do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline]
  do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693
  nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
  nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
  ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928
  udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1452
  sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2968
  SYSC_setsockopt net/socket.c:1831 [inline]
  SyS_setsockopt+0x189/0x360 net/socket.c:1810
  entry_SYSCALL_64_fastpath+0x29/0xa0
irq event stamp: 365022
hardirqs last  enabled at (365022): [<000000003f040828>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
hardirqs last  enabled at (365022): [<000000003f040828>] _raw_spin_unlock_irq+0x27/0x70 kernel/locking/spinlock.c:192
hardirqs last disabled at (365021): [<00000000b72975e0>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline]
hardirqs last disabled at (365021): [<00000000b72975e0>] _raw_spin_lock_irq+0x3c/0x80 kernel/locking/spinlock.c:160
softirqs last  enabled at (364794): [<00000000980bab4f>] __do_softirq+0x7a0/0xb85 kernel/softirq.c:311
softirqs last disabled at (365019): [<000000001475e062>] invoke_softirq kernel/softirq.c:365 [inline]
softirqs last disabled at (365019): [<000000001475e062>] irq_exit+0x1cc/0x200 kernel/softirq.c:405

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

       CPU0
       ----
  lock(&(&est->lock)->rlock);
  <Interrupt>
    lock(&(&est->lock)->rlock);

 *** DEADLOCK ***

1 lock held by syz-fuzzer/3724:
 #0:  ((&est->timer)){+.-.}, at: [<00000000b1bfd1a7>] lockdep_copy_map include/linux/lockdep.h:178 [inline]
 #0:  ((&est->timer)){+.-.}, at: [<00000000b1bfd1a7>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1308

stack backtrace:
CPU: 0 PID: 3724 Comm: syz-fuzzer Not tainted 4.15.0-rc9+ #283
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 print_usage_bug+0x377/0x38c kernel/locking/lockdep.c:2537
 valid_state kernel/locking/lockdep.c:2550 [inline]
 mark_lock_irq kernel/locking/lockdep.c:2744 [inline]
 mark_lock+0xf61/0x1430 kernel/locking/lockdep.c:3142
 mark_irqflags kernel/locking/lockdep.c:3020 [inline]
 __lock_acquire+0x173a/0x3e00 kernel/locking/lockdep.c:3383
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914
 __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]
 est_fetch_counters+0x4f/0x150 net/core/gen_estimator.c:70
 est_timer+0x97/0x7c0 net/core/gen_estimator.c:85
 call_timer_fn+0x228/0x820 kernel/time/timer.c:1318
 expire_timers kernel/time/timer.c:1355 [inline]
 __run_timers+0x7ee/0xb70 kernel/time/timer.c:1658
 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1684
 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
 invoke_softirq kernel/softirq.c:365 [inline]
 irq_exit+0x1cc/0x200 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:541 [inline]
 smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:937
 </IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:787 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x70 kernel/locking/spinlock.c:192
RSP: 0018:ffff8801d066fa20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11
RAX: dffffc0000000000 RBX: ffff8801db22c2c0 RCX: 0000000000000000
RDX: 1ffffffff0d5918f RSI: 0000000000000001 RDI: ffffffff86ac8c78
RBP: ffff8801d066fa28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c7718380
R13: 1ffff1003a0cdf4d R14: ffff8801d8196480 R15: ffff8801d8196480
 finish_lock_switch kernel/sched/sched.h:1369 [inline]
 finish_task_switch+0x1d3/0x740 kernel/sched/core.c:2666
 context_switch kernel/sched/core.c:2802 [inline]
 __schedule+0x8f3/0x2060 kernel/sched/core.c:3375
 schedule+0xf5/0x430 kernel/sched/core.c:3434
 exit_to_usermode_loop+0x1d1/0x310 arch/x86/entry/common.c:151
 prepare_exit_to_usermode+0x2e1/0x340 arch/x86/entry/common.c:195
 retint_user+0x8/0x18
RIP: 0033:0x7168d9
RSP: 002b:000000c42ecdf790 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: 0000000000000008 RBX: 000000008bea548f RCX: 0000000000000000
RDX: 0000000000b6f040 RSI: 00000000015c6160 RDI: 0000000000456cd0
RBP: 000000c42ecdf7e8 R08: 000000c42006d080 R09: 0000000000807320
R10: 00000000007267c0 R11: 0000000000000006 R12: 0000000000000000
R13: 00000000000000f2 R14: 0000000000000032 R15: 0000000000000000
SELinux:  unknown mount option
RDS: rds_bind could not find a transport for 0.0.255.255, load rds_tcp or rds_rdma?
RDS: rds_bind could not find a transport for 0.0.255.255, load rds_tcp or rds_rdma?
kauditd_printk_skb: 120 callbacks suppressed
audit: type=1400 audit(1517133262.616:908): avc:  denied  { map } for  pid=16997 comm="syz-executor2" path="socket:[40366]" dev="sockfs" ino=40366 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=1
ieee80211 phy2: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy3: Selected rate control algorithm 'minstrel_ht'
netlink: 'syz-executor5': attribute type 1 has an invalid length.
netlink: 'syz-executor5': attribute type 1 has an invalid length.
ieee80211 phy4: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy5: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy6: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy7: Selected rate control algorithm 'minstrel_ht'
x_tables: ip_tables: REJECT target: only valid in filter table, not 
ilter
ieee80211 phy8: Selected rate control algorithm 'minstrel_ht'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
QAT: Invalid ioctl
QAT: Invalid ioctl
CPU: 0 PID: 17364 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #283
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:421 [inline]
 slab_alloc mm/slab.c:3368 [inline]
 kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3608
 kmalloc include/linux/slab.h:499 [inline]
 kzalloc include/linux/slab.h:688 [inline]
 igmpv3_add_delrec net/ipv4/igmp.c:1144 [inline]
 igmp_group_dropped+0x5ce/0xd30 net/ipv4/igmp.c:1280
 ip_mc_dec_group+0x192/0x470 net/ipv4/igmp.c:1650
 ip_mc_drop_socket+0x145/0x230 net/ipv4/igmp.c:2647
 inet_release+0x4e/0x1c0 net/ipv4/af_inet.c:412
 sock_release+0x8d/0x1e0 net/socket.c:602
 sock_close+0x16/0x20 net/socket.c:1131
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x9e/0xa0
RIP: 0033:0x453299
RSP: 002b:00007fe3fe783c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013
RBP: 0000000000000052 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ef850
R13: 0000000000000014 R14: 00007fe3fe7846d4 R15: ffffffffffffffff
ieee80211 phy9: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy10: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy11: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy12: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy13: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy14: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy15: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy16: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy17: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy18: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy19: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy20: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy21: Selected rate control algorithm 'minstrel_ht'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 17634 Comm: syz-executor2 Not tainted 4.15.0-rc9+ #283
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ieee80211 phy22: Selected rate control algorithm 'minstrel_ht'
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:421 [inline]
 slab_alloc mm/slab.c:3368 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3542
 getname_flags+0xcb/0x580 fs/namei.c:138
 getname+0x19/0x20 fs/namei.c:209
 do_sys_open+0x2e7/0x6d0 fs/open.c:1053
 SYSC_open fs/open.c:1077 [inline]
 SyS_open+0x2d/0x40 fs/open.c:1072
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x40d591
RSP: 002b:00007fd183871780 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 000000000040d591
RDX: 0000000000000000 RSI: 0000000000004001 RDI: 00007fd183871830
RBP: 0000000000000622 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000293 R12: 00000000006f83d0
R13: 0000000000000014 R14: 00007fd1838726d4 R15: ffffffffffffffff
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 17657 Comm: syz-executor2 Not tainted 4.15.0-rc9+ #283
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_fail_alloc_page mm/page_alloc.c:2948 [inline]
 prepare_alloc_pages mm/page_alloc.c:4187 [inline]
 __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4226
 __alloc_pages include/linux/gfp.h:456 [inline]
 __alloc_pages_node include/linux/gfp.h:469 [inline]
 kmem_getpages mm/slab.c:1413 [inline]
 cache_grow_begin+0x72/0x3f0 mm/slab.c:2668
 cache_alloc_refill mm/slab.c:3035 [inline]
 ____cache_alloc mm/slab.c:3117 [inline]
 __do_cache_alloc mm/slab.c:3339 [inline]
 slab_alloc mm/slab.c:3374 [inline]
 kmem_cache_alloc+0x400/0x760 mm/slab.c:3542
 getname_flags+0xcb/0x580 fs/namei.c:138
 getname+0x19/0x20 fs/namei.c:209
 do_sys_open+0x2e7/0x6d0 fs/open.c:1053
 SYSC_open fs/open.c:1077 [inline]
 SyS_open+0x2d/0x40 fs/open.c:1072
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x40d591
RSP: 002b:00007fd183871780 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 000000000040d591
RDX: 0000000000000000 RSI: 0000000000004001 RDI: 00007fd183871830
RBP: 0000000000000622 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000293 R12: 00000000006f83d0
R13: 0000000000000014 R14: 00007fd1838726d4 R15: ffffffffffffffff
ieee80211 phy23: Selected rate control algorithm 'minstrel_ht'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 17682 Comm: syz-executor2 Not tainted 4.15.0-rc9+ #283
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:421 [inline]
 slab_alloc mm/slab.c:3368 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3542
 kmem_cache_zalloc include/linux/slab.h:678 [inline]
 get_empty_filp+0xfb/0x4f0 fs/file_table.c:123
 path_openat+0xed/0x3530 fs/namei.c:3496
 do_filp_open+0x25b/0x3b0 fs/namei.c:3554
 do_sys_open+0x502/0x6d0 fs/open.c:1059
 SYSC_open fs/open.c:1077 [inline]
 SyS_open+0x2d/0x40 fs/open.c:1072
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x40d591
RSP: 002b:00007fd183871780 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 000000000040d591
RDX: 0000000000000000 RSI: 0000000000004001 RDI: 00007fd183871830
RBP: 0000000000000622 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000293 R12: 00000000006f83d0
R13: 0000000000000014 R14: 00007fd1838726d4 R15: ffffffffffffffff
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 17696 Comm: syz-executor2 Not tainted 4.15.0-rc9+ #283
ieee80211 phy24: Selected rate control algorithm 'minstrel_ht'
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:421 [inline]
 slab_alloc mm/slab.c:3368 [inline]
 kmem_cache_alloc+0x47/0x760 mm/slab.c:3542
 kmem_cache_zalloc include/linux/slab.h:678 [inline]
 file_alloc_security security/selinux/hooks.c:369 [inline]
 selinux_file_alloc_security+0xae/0x190 security/selinux/hooks.c:3454
 security_file_alloc+0x6d/0xa0 security/security.c:873
 get_empty_filp+0x189/0x4f0 fs/file_table.c:129
 path_openat+0xed/0x3530 fs/namei.c:3496
 do_filp_open+0x25b/0x3b0 fs/namei.c:3554
 do_sys_open+0x502/0x6d0 fs/open.c:1059
 SYSC_open fs/open.c:1077 [inline]
 SyS_open+0x2d/0x40 fs/open.c:1072
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x40d591
RSP: 002b:00007fd183871780 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 000000000040d591
RDX: 0000000000000000 RSI: 0000000000004001 RDI: 00007fd183871830
RBP: 0000000000000622 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000293 R12: 00000000006f83d0
R13: 0000000000000014 R14: 00007fd1838726d4 R15: ffffffffffffffff
ieee80211 phy25: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy26: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy27: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy28: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy29: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy30: Selected rate control algorithm 'minstrel_ht'
device eql entered promiscuous mode
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 18137 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #283
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:421 [inline]
 slab_alloc_node mm/slab.c:3289 [inline]
 kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632
 __alloc_skb+0xf1/0x780 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:983 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline]
 netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:648
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028
 __sys_sendmsg+0xe5/0x210 net/socket.c:2062
 SYSC_sendmsg net/socket.c:2073 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2069
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007fca34bf9c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fca34bf9aa0 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 00000000204b5fc8 RDI: 0000000000000013
RBP: 00007fca34bf9a90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096
R13: 00007fca34bf9bc8 R14: 00000000004b8096 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 18158 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #283
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:421 [inline]
 slab_alloc_node mm/slab.c:3289 [inline]
 kmem_cache_alloc_node_trace+0x5a/0x750 mm/slab.c:3651
 __do_kmalloc_node mm/slab.c:3671 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3686
 __kmalloc_reserve.isra.39+0x41/0xd0 net/core/skbuff.c:137
 __alloc_skb+0x13b/0x780 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:983 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1147 [inline]
 netlink_sendmsg+0xa86/0xe60 net/netlink/af_netlink.c:1839
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:648
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028
 __sys_sendmsg+0xe5/0x210 net/socket.c:2062
 SYSC_sendmsg net/socket.c:2073 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2069
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007fca34bf9c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fca34bf9aa0 RCX: 0000000000453299
RDX: 0000000000000000 RSI: 00000000204b5fc8 RDI: 0000000000000013
RBP: 00007fca34bf9a90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096
R13: 00007fca34bf9bc8 R14: 00000000004b8096 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 18167 Comm: syz-executor4 Not tainted 4.15.0-rc9+ #283
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:421 [inline]
 slab_alloc mm/slab.c:3368 [inline]
 __do_kmalloc mm/slab.c:3706 [inline]
 __kmalloc+0x63/0x760 mm/slab.c:3717
 kmalloc include/linux/slab.h:504 [inline]
 kzalloc include/linux/slab.h:688 [inline]
 wiphy_new_nm+0x819/0x21d0 net/wireless/core.c:407