=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
5.15.119-syzkaller #0 Not tainted
-----------------------------------------------------
syz-executor.0/10821 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire:
ffffffff8c9dcce0 (fs_reclaim){+.+.}-{0:0}, at: might_alloc include/linux/sched/mm.h:206 [inline]
ffffffff8c9dcce0 (fs_reclaim){+.+.}-{0:0}, at: slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492

and this task is already holding:
ffff88807971a908 (&sch->q.lock){+.-.}-{2:2}, at: netem_change+0x257/0x20c0 net/sched/sch_netem.c:972
which would create a new lock dependency:
 (&sch->q.lock){+.-.}-{2:2} -> (fs_reclaim){+.+.}-{0:0}

but this new dependency connects a SOFTIRQ-irq-safe lock:
 (&sch->q.lock){+.-.}-{2:2}

... which became SOFTIRQ-irq-safe at:
  lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
  __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
  _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
  spin_lock include/linux/spinlock.h:363 [inline]
  net_tx_action+0x6c5/0x8e0 net/core/dev.c:5049
  __do_softirq+0x3b3/0x93a kernel/softirq.c:558
  invoke_softirq kernel/softirq.c:432 [inline]
  __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636
  irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
  sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
  asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
  __preempt_count_add kernel/rcu/tree.c:1118 [inline]
  rcu_is_watching+0x2/0xa0 kernel/rcu/tree.c:1121
  rcu_read_lock include/linux/rcupdate.h:697 [inline]
  percpu_ref_put_many include/linux/percpu-refcount.h:317 [inline]
  percpu_ref_put+0x24/0x150 include/linux/percpu-refcount.h:338
  css_put include/linux/cgroup.h:405 [inline]
  __mem_cgroup_charge+0x55/0x80 mm/memcontrol.c:6778
  mem_cgroup_charge include/linux/memcontrol.h:695 [inline]
  __add_to_page_cache_locked+0xbdb/0x11a0 mm/filemap.c:892
  add_to_page_cache_lru+0x1b3/0x560 mm/filemap.c:984
  pagecache_get_page+0xbe0/0x1010 mm/filemap.c:1951
  grab_cache_page_write_begin+0x57/0x90 mm/filemap.c:3730
  ext4_da_write_begin+0x599/0xb60 fs/ext4/inode.c:2990
  generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
  ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
  ext4_file_write_iter+0x87c/0x1990
  __kernel_write+0x5b1/0xa60 fs/read_write.c:539
  __dump_emit+0x264/0x3a0 fs/coredump.c:875
  dump_user_range+0x91/0x320 fs/coredump.c:949
  elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
  do_coredump+0x1852/0x31e0 fs/coredump.c:826
  get_signal+0xc06/0x14e0 kernel/signal.c:2875
  arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
  handle_signal_work kernel/entry/common.c:148 [inline]
  exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
  exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
  irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
  exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
  asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562

to a SOFTIRQ-irq-unsafe lock:
 (fs_reclaim){+.+.}-{0:0}

... which became SOFTIRQ-irq-unsafe at:
...
  lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
  __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
  fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
  might_alloc include/linux/sched/mm.h:206 [inline]
  slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
  slab_alloc_node mm/slub.c:3134 [inline]
  slab_alloc mm/slub.c:3228 [inline]
  kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
  kmalloc include/linux/slab.h:591 [inline]
  kzalloc include/linux/slab.h:721 [inline]
  alloc_workqueue_attrs kernel/workqueue.c:3403 [inline]
  wq_numa_init+0x122/0x49f kernel/workqueue.c:5994
  workqueue_init+0x18/0x5e1 kernel/workqueue.c:6121
  kernel_init_freeable+0x40a/0x5c5 init/main.c:1603
  kernel_init+0x19/0x290 init/main.c:1510
  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

other info that might help us debug this:

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(fs_reclaim);
                               local_irq_disable();
                               lock(&sch->q.lock);
                               lock(fs_reclaim);
  <Interrupt>
    lock(&sch->q.lock);

 *** DEADLOCK ***

2 locks held by syz-executor.0/10821:
 #0: ffffffff8d9de208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
 #0: ffffffff8d9de208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x94c/0xee0 net/core/rtnetlink.c:5590
 #1: ffff88807971a908 (&sch->q.lock){+.-.}-{2:2}, at: netem_change+0x257/0x20c0 net/sched/sch_netem.c:972

the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
-> (&sch->q.lock){+.-.}-{2:2} {
   HARDIRQ-ON-W at:
                    lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                    __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                    _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
                    spin_lock_bh include/linux/spinlock.h:368 [inline]
                    dev_reset_queue+0xc1/0x140 net/sched/sch_generic.c:1245
                    netdev_for_each_tx_queue include/linux/netdevice.h:2379 [inline]
                    dev_deactivate_many+0x6ad/0xbf0 net/sched/sch_generic.c:1313
                    dev_deactivate+0x177/0x270 net/sched/sch_generic.c:1336
                    linkwatch_do_dev+0x104/0x160 net/core/link_watch.c:165
                    __linkwatch_run_queue+0x4ca/0x7f0 net/core/link_watch.c:213
                    linkwatch_event+0x48/0x50 net/core/link_watch.c:252
                    process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307
                    worker_thread+0xaca/0x1280 kernel/workqueue.c:2454
                    kthread+0x3f6/0x4f0 kernel/kthread.c:319
                    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
   IN-SOFTIRQ-W at:
                    lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                    __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
                    _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
                    spin_lock include/linux/spinlock.h:363 [inline]
                    net_tx_action+0x6c5/0x8e0 net/core/dev.c:5049
                    __do_softirq+0x3b3/0x93a kernel/softirq.c:558
                    invoke_softirq kernel/softirq.c:432 [inline]
                    __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636
                    irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
                    sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
                    asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
                    __preempt_count_add kernel/rcu/tree.c:1118 [inline]
                    rcu_is_watching+0x2/0xa0 kernel/rcu/tree.c:1121
                    rcu_read_lock include/linux/rcupdate.h:697 [inline]
                    percpu_ref_put_many include/linux/percpu-refcount.h:317 [inline]
                    percpu_ref_put+0x24/0x150 include/linux/percpu-refcount.h:338
                    css_put include/linux/cgroup.h:405 [inline]
                    __mem_cgroup_charge+0x55/0x80 mm/memcontrol.c:6778
                    mem_cgroup_charge include/linux/memcontrol.h:695 [inline]
                    __add_to_page_cache_locked+0xbdb/0x11a0 mm/filemap.c:892
                    add_to_page_cache_lru+0x1b3/0x560 mm/filemap.c:984
                    pagecache_get_page+0xbe0/0x1010 mm/filemap.c:1951
                    grab_cache_page_write_begin+0x57/0x90 mm/filemap.c:3730
                    ext4_da_write_begin+0x599/0xb60 fs/ext4/inode.c:2990
                    generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
                    ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
                    ext4_file_write_iter+0x87c/0x1990
                    __kernel_write+0x5b1/0xa60 fs/read_write.c:539
                    __dump_emit+0x264/0x3a0 fs/coredump.c:875
                    dump_user_range+0x91/0x320 fs/coredump.c:949
                    elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
                    do_coredump+0x1852/0x31e0 fs/coredump.c:826
                    get_signal+0xc06/0x14e0 kernel/signal.c:2875
                    arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
                    handle_signal_work kernel/entry/common.c:148 [inline]
                    exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
                    exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
                    irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
                    exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
                    asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
   INITIAL USE at:
                   lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                   __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                   _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
                   spin_lock_bh include/linux/spinlock.h:368 [inline]
                   dev_reset_queue+0xc1/0x140 net/sched/sch_generic.c:1245
                   netdev_for_each_tx_queue include/linux/netdevice.h:2379 [inline]
                   dev_deactivate_many+0x6ad/0xbf0 net/sched/sch_generic.c:1313
                   dev_deactivate+0x177/0x270 net/sched/sch_generic.c:1336
                   linkwatch_do_dev+0x104/0x160 net/core/link_watch.c:165
                   __linkwatch_run_queue+0x4ca/0x7f0 net/core/link_watch.c:213
                   linkwatch_event+0x48/0x50 net/core/link_watch.c:252
                   process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307
                   worker_thread+0xaca/0x1280 kernel/workqueue.c:2454
                   kthread+0x3f6/0x4f0 kernel/kthread.c:319
                   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 }
 ... key      at: [<ffffffff9178e380>] qdisc_alloc.__key+0x0/0x20

the dependencies between the lock to be acquired
 and SOFTIRQ-irq-unsafe lock:
-> (fs_reclaim){+.+.}-{0:0} {
   HARDIRQ-ON-W at:
                    lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                    __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
                    fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
                    might_alloc include/linux/sched/mm.h:206 [inline]
                    slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
                    slab_alloc_node mm/slub.c:3134 [inline]
                    slab_alloc mm/slub.c:3228 [inline]
                    kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
                    kmalloc include/linux/slab.h:591 [inline]
                    kzalloc include/linux/slab.h:721 [inline]
                    alloc_workqueue_attrs kernel/workqueue.c:3403 [inline]
                    wq_numa_init+0x122/0x49f kernel/workqueue.c:5994
                    workqueue_init+0x18/0x5e1 kernel/workqueue.c:6121
                    kernel_init_freeable+0x40a/0x5c5 init/main.c:1603
                    kernel_init+0x19/0x290 init/main.c:1510
                    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
   SOFTIRQ-ON-W at:
                    lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                    __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
                    fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
                    might_alloc include/linux/sched/mm.h:206 [inline]
                    slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
                    slab_alloc_node mm/slub.c:3134 [inline]
                    slab_alloc mm/slub.c:3228 [inline]
                    kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
                    kmalloc include/linux/slab.h:591 [inline]
                    kzalloc include/linux/slab.h:721 [inline]
                    alloc_workqueue_attrs kernel/workqueue.c:3403 [inline]
                    wq_numa_init+0x122/0x49f kernel/workqueue.c:5994
                    workqueue_init+0x18/0x5e1 kernel/workqueue.c:6121
                    kernel_init_freeable+0x40a/0x5c5 init/main.c:1603
                    kernel_init+0x19/0x290 init/main.c:1510
                    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
   INITIAL USE at:
                   lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
                   __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
                   fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
                   might_alloc include/linux/sched/mm.h:206 [inline]
                   slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
                   slab_alloc_node mm/slub.c:3134 [inline]
                   slab_alloc mm/slub.c:3228 [inline]
                   kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
                   kmalloc include/linux/slab.h:591 [inline]
                   kzalloc include/linux/slab.h:721 [inline]
                   alloc_workqueue_attrs kernel/workqueue.c:3403 [inline]
                   wq_numa_init+0x122/0x49f kernel/workqueue.c:5994
                   workqueue_init+0x18/0x5e1 kernel/workqueue.c:6121
                   kernel_init_freeable+0x40a/0x5c5 init/main.c:1603
                   kernel_init+0x19/0x290 init/main.c:1510
                   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 }
 ... key      at: [<ffffffff8c9dcce0>] __fs_reclaim_map+0x0/0x160
 ... acquired at:
   lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
   __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
   fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
   might_alloc include/linux/sched/mm.h:206 [inline]
   slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
   slab_alloc_node mm/slub.c:3134 [inline]
   __kmalloc_node+0x71/0x390 mm/slub.c:4451
   kmalloc_node include/linux/slab.h:614 [inline]
   kvmalloc_node+0x80/0x140 mm/util.c:619
   kvmalloc include/linux/mm.h:805 [inline]
   get_dist_table+0x83/0x2c0 net/sched/sch_netem.c:788
   netem_change+0xa05/0x20c0 net/sched/sch_netem.c:988
   netem_init+0x58/0xb0 net/sched/sch_netem.c:1075
   qdisc_create+0x8ae/0x1390 net/sched/sch_api.c:1264
   tc_modify_qdisc+0xac5/0x1710
   rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5593
   netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504
   netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
   netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356
   netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1923
   sock_sendmsg_nosec net/socket.c:704 [inline]
   sock_sendmsg net/socket.c:724 [inline]
   ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412
   ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466
   __sys_sendmsg net/socket.c:2495 [inline]
   __do_sys_sendmsg net/socket.c:2504 [inline]
   __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502
   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
   do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
   entry_SYSCALL_64_after_hwframe+0x61/0xcb


stack backtrace:
CPU: 0 PID: 10821 Comm: syz-executor.0 Not tainted 5.15.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_bad_irq_dependency kernel/locking/lockdep.c:2567 [inline]
 check_irq_usage kernel/locking/lockdep.c:2806 [inline]
 check_prev_add kernel/locking/lockdep.c:3057 [inline]
 check_prevs_add kernel/locking/lockdep.c:3172 [inline]
 validate_chain+0x4cfe/0x58b0 kernel/locking/lockdep.c:3787
 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5011
 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
 __fs_reclaim_acquire mm/page_alloc.c:4547 [inline]
 fs_reclaim_acquire+0x83/0x120 mm/page_alloc.c:4561
 might_alloc include/linux/sched/mm.h:206 [inline]
 slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
 slab_alloc_node mm/slub.c:3134 [inline]
 __kmalloc_node+0x71/0x390 mm/slub.c:4451
 kmalloc_node include/linux/slab.h:614 [inline]
 kvmalloc_node+0x80/0x140 mm/util.c:619
 kvmalloc include/linux/mm.h:805 [inline]
 get_dist_table+0x83/0x2c0 net/sched/sch_netem.c:788
 netem_change+0xa05/0x20c0 net/sched/sch_netem.c:988
 netem_init+0x58/0xb0 net/sched/sch_netem.c:1075
 qdisc_create+0x8ae/0x1390 net/sched/sch_api.c:1264
 tc_modify_qdisc+0xac5/0x1710
 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5593
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1923
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466
 __sys_sendmsg net/socket.c:2495 [inline]
 __do_sys_sendmsg net/socket.c:2504 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa0e6107389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0e4679168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0e6226f80 RCX: 00007fa0e6107389
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003
RBP: 00007fa0e6152493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe45c10b1f R14: 00007fa0e4679300 R15: 0000000000022000
 </TASK>
BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 10821, name: syz-executor.0
INFO: lockdep is turned off.
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 10821 Comm: syz-executor.0 Not tainted 5.15.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625
 might_alloc include/linux/sched/mm.h:209 [inline]
 slab_pre_alloc_hook+0x44/0xc0 mm/slab.h:492
 slab_alloc_node mm/slub.c:3134 [inline]
 __kmalloc_node+0x71/0x390 mm/slub.c:4451
 kmalloc_node include/linux/slab.h:614 [inline]
 kvmalloc_node+0x80/0x140 mm/util.c:619
 kvmalloc include/linux/mm.h:805 [inline]
 get_dist_table+0x83/0x2c0 net/sched/sch_netem.c:788
 netem_change+0xa05/0x20c0 net/sched/sch_netem.c:988
 netem_init+0x58/0xb0 net/sched/sch_netem.c:1075
 qdisc_create+0x8ae/0x1390 net/sched/sch_api.c:1264
 tc_modify_qdisc+0xac5/0x1710
 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5593
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1923
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466
 __sys_sendmsg net/socket.c:2495 [inline]
 __do_sys_sendmsg net/socket.c:2504 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa0e6107389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa0e4679168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0e6226f80 RCX: 00007fa0e6107389
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003
RBP: 00007fa0e6152493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe45c10b1f R14: 00007fa0e4679300 R15: 0000000000022000
 </TASK>