ntfs: (device loop1): parse_options(): Invalid mft_zone_multiplier. Using default value, i.e. 1.
ntfs: (device loop1): ntfs_fill_super(): Unable to determine device size.

======================================================
WARNING: possible circular locking dependency detected
4.18.0-rc8+ #180 Not tainted
------------------------------------------------------
syz-executor3/11625 is trying to acquire lock:
00000000e7ea1dbc (event_mutex){+.+.}, at: perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:235

but task is already holding lock:
0000000034ca26ea (&mm->mmap_sem){++++}, at: vm_mmap_pgoff+0x1b5/0x2c0 mm/util.c:355

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&mm->mmap_sem){++++}:
       down_write_killable+0x92/0x150 kernel/locking/rwsem.c:84
       dup_mmap kernel/fork.c:430 [inline]
       dup_mm kernel/fork.c:1266 [inline]
       copy_mm kernel/fork.c:1320 [inline]
       copy_process.part.39+0x2430/0x70b0 kernel/fork.c:1826
       copy_process kernel/fork.c:1639 [inline]
       _do_fork+0x291/0x12a0 kernel/fork.c:2122
       __do_sys_clone kernel/fork.c:2229 [inline]
       __se_sys_clone kernel/fork.c:2223 [inline]
       __x64_sys_clone+0xbf/0x150 kernel/fork.c:2223
       do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #2 (&dup_mmap_sem){++++}:
       down_write+0x8f/0x130 kernel/locking/rwsem.c:70
       percpu_down_write+0xaf/0x520 kernel/locking/percpu-rwsem.c:145
       register_for_each_vma+0x8c/0xdf0 kernel/events/uprobes.c:796
       __uprobe_register kernel/events/uprobes.c:846 [inline]
       uprobe_register+0x47c/0x7c0 kernel/events/uprobes.c:907
       probe_event_enable+0x5f5/0xe90 kernel/trace/trace_uprobe.c:920
       trace_uprobe_register+0x4c9/0xcf0 kernel/trace/trace_uprobe.c:1205
       perf_trace_event_reg kernel/trace/trace_event_perf.c:123 [inline]
       perf_trace_event_init+0x4fe/0x990 kernel/trace/trace_event_perf.c:198
       perf_uprobe_init+0x1e5/0x280 kernel/trace/trace_event_perf.c:327
       perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8467
       perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9739
       perf_init_event kernel/events/core.c:9770 [inline]
       perf_event_alloc.part.93+0x1955/0x30b0 kernel/events/core.c:10043
       perf_event_alloc kernel/events/core.c:10399 [inline]
       __do_sys_perf_event_open+0xab2/0x30f0 kernel/events/core.c:10500
       __se_sys_perf_event_open kernel/events/core.c:10389 [inline]
       __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10389
       do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #1 (&uprobe->register_rwsem){+.+.}:
       down_write+0x8f/0x130 kernel/locking/rwsem.c:70
       uprobe_register+0x3dd/0x7c0 kernel/events/uprobes.c:904
       probe_event_enable+0x5f5/0xe90 kernel/trace/trace_uprobe.c:920
       trace_uprobe_register+0x4c9/0xcf0 kernel/trace/trace_uprobe.c:1205
       perf_trace_event_reg kernel/trace/trace_event_perf.c:123 [inline]
       perf_trace_event_init+0x4fe/0x990 kernel/trace/trace_event_perf.c:198
       perf_uprobe_init+0x1e5/0x280 kernel/trace/trace_event_perf.c:327
       perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8467
       perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9739
       perf_init_event kernel/events/core.c:9770 [inline]
       perf_event_alloc.part.93+0x1955/0x30b0 kernel/events/core.c:10043
       perf_event_alloc kernel/events/core.c:10399 [inline]
       __do_sys_perf_event_open+0xab2/0x30f0 kernel/events/core.c:10500
       __se_sys_perf_event_open kernel/events/core.c:10389 [inline]
       __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10389
       do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (event_mutex){+.+.}:
       lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924
       __mutex_lock_common kernel/locking/mutex.c:757 [inline]
       __mutex_lock+0x176/0x1820 kernel/locking/mutex.c:894
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:909
       perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:235
       tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8329
       _free_event+0x407/0x1440 kernel/events/core.c:4445
       put_event+0x48/0x60 kernel/events/core.c:4531
       perf_mmap_close+0x615/0x1190 kernel/events/core.c:5514
       remove_vma+0xb6/0x180 mm/mmap.c:181
       remove_vma_list mm/mmap.c:2549 [inline]
       do_munmap+0x743/0xf90 mm/mmap.c:2785
       mmap_region+0x61f/0x16b0 mm/mmap.c:1705
       do_mmap+0xa06/0x1320 mm/mmap.c:1535
       do_mmap_pgoff include/linux/mm.h:2306 [inline]
       vm_mmap_pgoff+0x213/0x2c0 mm/util.c:357
       ksys_mmap_pgoff+0x4da/0x660 mm/mmap.c:1585
       __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
       __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
       __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
       do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

Chain exists of:
  event_mutex --> &dup_mmap_sem --> &mm->mmap_sem

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&mm->mmap_sem);
                               lock(&dup_mmap_sem);
                               lock(&mm->mmap_sem);
  lock(event_mutex);

 *** DEADLOCK ***

1 lock held by syz-executor3/11625:
 #0: 0000000034ca26ea (&mm->mmap_sem){++++}, at: vm_mmap_pgoff+0x1b5/0x2c0 mm/util.c:355

stack backtrace:
CPU: 1 PID: 11625 Comm: syz-executor3 Not tainted 4.18.0-rc8+ #180
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_circular_bug.isra.36.cold.57+0x1bd/0x27d kernel/locking/lockdep.c:1227
 check_prev_add kernel/locking/lockdep.c:1867 [inline]
 check_prevs_add kernel/locking/lockdep.c:1980 [inline]
 validate_chain kernel/locking/lockdep.c:2421 [inline]
 __lock_acquire+0x3449/0x5020 kernel/locking/lockdep.c:3435
 lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924
 __mutex_lock_common kernel/locking/mutex.c:757 [inline]
 __mutex_lock+0x176/0x1820 kernel/locking/mutex.c:894
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:909
 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:235
 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8329
 _free_event+0x407/0x1440 kernel/events/core.c:4445
 put_event+0x48/0x60 kernel/events/core.c:4531
 perf_mmap_close+0x615/0x1190 kernel/events/core.c:5514
 remove_vma+0xb6/0x180 mm/mmap.c:181
 remove_vma_list mm/mmap.c:2549 [inline]
 do_munmap+0x743/0xf90 mm/mmap.c:2785
 mmap_region+0x61f/0x16b0 mm/mmap.c:1705
 do_mmap+0xa06/0x1320 mm/mmap.c:1535
 do_mmap_pgoff include/linux/mm.h:2306 [inline]
 vm_mmap_pgoff+0x213/0x2c0 mm/util.c:357
 ksys_mmap_pgoff+0x4da/0x660 mm/mmap.c:1585
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
 __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456cb9
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:00007f2a8e4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f2a8e4d66d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000201bf000
RBP: 00000000009300a0 R08: 0000000000000019 R09: 0000000000000000
R10: 0000000000004011 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d1dd0 R14: 00000000004c7561 R15: 0000000000000000
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
QAT: Invalid ioctl
QAT: Invalid ioctl
netlink: 'syz-executor7': attribute type 16 has an invalid length.
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
netlink: 'syz-executor7': attribute type 16 has an invalid length.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 12025 Comm: syz-executor4 Not tainted 4.18.0-rc8+ #180
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+0x47/0x760 mm/slab.c:3552
 __build_skb+0xab/0x430 net/core/skbuff.c:281
 __napi_alloc_skb+0x19a/0x2d0 net/core/skbuff.c:482
 napi_alloc_skb include/linux/skbuff.h:2650 [inline]
 napi_get_frags+0x61/0x130 net/core/dev.c:5189
 tun_napi_alloc_frags drivers/net/tun.c:1493 [inline]
 tun_get_user+0x1e36/0x42c0 drivers/net/tun.c:1835
 tun_chr_write_iter+0xb9/0x154 drivers/net/tun.c:2009
 call_write_iter include/linux/fs.h:1793 [inline]
 do_iter_readv_writev+0x897/0xa90 fs/read_write.c:680
 do_iter_write+0x185/0x5f0 fs/read_write.c:959
 vfs_writev+0x1f1/0x360 fs/read_write.c:1004
 do_writev+0x11a/0x310 fs/read_write.c:1039
 __do_sys_writev fs/read_write.c:1112 [inline]
 __se_sys_writev fs/read_write.c:1109 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1109
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456b71
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b6 fb ff c3 48 83 ec 08 e8 da 2c 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 23 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 
RSP: 002b:00007f1c2fd6aba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000000003e RCX: 0000000000456b71
RDX: 0000000000000001 RSI: 00007f1c2fd6abf0 RDI: 00000000000000f0
RBP: 0000000020000100 R08: 00000000000000f0 R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 0000000000000013
R13: 00000000004d5b20 R14: 00000000004c9471 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 12242 Comm: syz-executor7 Not tainted 4.18.0-rc8+ #180
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_node mm/slab.c:3299 [inline]
 kmem_cache_alloc_node+0x272/0x780 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:987 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1189 [inline]
 netlink_sendmsg+0xb29/0xfd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:642 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:652
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2126
 __sys_sendmsg+0x11d/0x290 net/socket.c:2164
 __do_sys_sendmsg net/socket.c:2173 [inline]
 __se_sys_sendmsg net/socket.c:2171 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2171
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456cb9
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:00007f2135743c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f21357446d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000013
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004d3798 R14: 00000000004c848b R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 12302 Comm: syz-executor7 Not tainted 4.18.0-rc8+ #180
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_node mm/slab.c:3299 [inline]
 kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0x3a/0xe0 net/core/skbuff.c:137
 __alloc_skb+0x155/0x770 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:987 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1189 [inline]
 netlink_sendmsg+0xb29/0xfd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:642 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:652
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2126
 __sys_sendmsg+0x11d/0x290 net/socket.c:2164
 __do_sys_sendmsg net/socket.c:2173 [inline]
 __se_sys_sendmsg net/socket.c:2171 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2171
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456cb9
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:00007f2135743c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f21357446d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000013
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004d3798 R14: 00000000004c848b R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 12369 Comm: syz-executor7 Not tainted 4.18.0-rc8+ #180
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_node mm/slab.c:3299 [inline]
 kmem_cache_alloc_node+0x272/0x780 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:987 [inline]
 netlink_dump+0x6e3/0xd50 net/netlink/af_netlink.c:2214
 __netlink_dump_start+0x51a/0x780 net/netlink/af_netlink.c:2330
 genl_family_rcv_msg+0xe86/0x1140 net/netlink/genetlink.c:549
 genl_rcv_msg+0xc6/0x168 net/netlink/genetlink.c:626
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2455
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:637
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0xa18/0xfd0 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:642 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:652
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2126
 __sys_sendmsg+0x11d/0x290 net/socket.c:2164
 __do_sys_sendmsg net/socket.c:2173 [inline]
 __se_sys_sendmsg net/socket.c:2171 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2171
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456cb9
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:00007f2135743c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f21357446d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000013
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004d3798 R14: 00000000004c848b R15: 0000000000000002
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 12433 Comm: syz-executor7 Not tainted 4.18.0-rc8+ #180
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_node mm/slab.c:3299 [inline]
 kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0x3a/0xe0 net/core/skbuff.c:137
 __alloc_skb+0x155/0x770 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:987 [inline]
 netlink_dump+0x6e3/0xd50 net/netlink/af_netlink.c:2214
 __netlink_dump_start+0x51a/0x780 net/netlink/af_netlink.c:2330
 genl_family_rcv_msg+0xe86/0x1140 net/netlink/genetlink.c:549
 genl_rcv_msg+0xc6/0x168 net/netlink/genetlink.c:626
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2455
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:637
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0xa18/0xfd0 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:642 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:652
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2126
 __sys_sendmsg+0x11d/0x290 net/socket.c:2164
 __do_sys_sendmsg net/socket.c:2173 [inline]
 __se_sys_sendmsg net/socket.c:2171 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2171
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456cb9
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:00007f2135743c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f21357446d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000013
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004d3798 R14: 00000000004c848b R15: 0000000000000003