================================
WARNING: inconsistent lock state
6.10.0-rc1-syzkaller-g7d0b3953f6d8 #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
sshd/5084 [HC0[0]:SC1[1]:HE1:SE0] takes:
ffff8880b9538828 (lock#9){+.?.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
ffff8880b9538828 (lock#9){+.?.}-{2:2}, at: __mmap_lock_do_trace_start_locking+0x83/0x620 mm/mmap_lock.c:230
{SOFTIRQ-ON-W} state was registered at:
  lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
  local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
  __mmap_lock_do_trace_start_locking+0x9c/0x620 mm/mmap_lock.c:230
  __mmap_lock_trace_start_locking include/linux/mmap_lock.h:29 [inline]
  mmap_read_lock include/linux/mmap_lock.h:143 [inline]
  process_vm_rw_single_vec mm/process_vm_access.c:105 [inline]
  process_vm_rw_core mm/process_vm_access.c:216 [inline]
  process_vm_rw+0xa27/0xcf0 mm/process_vm_access.c:284
  __do_sys_process_vm_readv mm/process_vm_access.c:296 [inline]
  __se_sys_process_vm_readv mm/process_vm_access.c:292 [inline]
  __x64_sys_process_vm_readv+0xe0/0x100 mm/process_vm_access.c:292
  do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
  entry_SYSCALL_64_after_hwframe+0x77/0x7f
irq event stamp: 33618
hardirqs last  enabled at (33618): [<ffffffff895b35e0>] net_rx_action+0x4c0/0x10a0 net/core/dev.c:6882
hardirqs last disabled at (33617): [<ffffffff895b346f>] net_rx_action+0x34f/0x10a0 net/core/dev.c:6880
softirqs last  enabled at (33614): [<ffffffff8957fb42>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last  enabled at (33614): [<ffffffff8957fb42>] rcu_read_lock_bh include/linux/rcupdate.h:833 [inline]
softirqs last  enabled at (33614): [<ffffffff8957fb42>] __dev_queue_xmit+0x2d2/0x3d30 net/core/dev.c:4318
softirqs last disabled at (33615): [<ffffffff8159eeeb>] do_softirq+0x11b/0x1e0 kernel/softirq.c:455

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

       CPU0
       ----
  lock(lock#9);
  <Interrupt>
    lock(lock#9);

 *** DEADLOCK ***

5 locks held by sshd/5084:
 #0: ffff88802d322718 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1602 [inline]
 #0: ffff88802d322718 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1347
 #1: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #1: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #1: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x5f/0x1b70 net/ipv4/ip_output.c:470
 #2: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 #2: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
 #2: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x45f/0x1380 net/ipv4/ip_output.c:228
 #3: ffff8881406cc298 (_xmit_ETHER#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff8881406cc298 (_xmit_ETHER#2){+.-.}-{2:2}, at: __netif_tx_lock include/linux/netdevice.h:4347 [inline]
 #3: ffff8881406cc298 (_xmit_ETHER#2){+.-.}-{2:2}, at: virtnet_poll_tx+0x202/0x730 drivers/net/virtio_net.c:2472
 #4: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: trace_call_bpf+0xbc/0x8a0

stack backtrace:
CPU: 1 PID: 5084 Comm: sshd Not tainted 6.10.0-rc1-syzkaller-g7d0b3953f6d8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 valid_state+0x13a/0x1c0 kernel/locking/lockdep.c:4013
 mark_lock_irq+0xbb/0xc20 kernel/locking/lockdep.c:4216
 mark_lock+0x223/0x350 kernel/locking/lockdep.c:4678
 __lock_acquire+0xbcd/0x1fd0 kernel/locking/lockdep.c:5091
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 __mmap_lock_do_trace_start_locking+0x9c/0x620 mm/mmap_lock.c:230
 __mmap_lock_trace_start_locking include/linux/mmap_lock.h:29 [inline]
 mmap_read_trylock include/linux/mmap_lock.h:162 [inline]
 stack_map_get_build_id_offset+0x98a/0x9d0 kernel/bpf/stackmap.c:141
 __bpf_get_stack+0x4ad/0x5a0 kernel/bpf/stackmap.c:449
 bpf_prog_e6cf5f9c69743609+0x42/0x46
 bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
 __bpf_prog_run include/linux/filter.h:691 [inline]
 bpf_prog_run include/linux/filter.h:698 [inline]
 bpf_prog_run_array include/linux/bpf.h:2103 [inline]
 trace_call_bpf+0x369/0x8a0 kernel/trace/bpf_trace.c:147
 perf_trace_run_bpf_submit+0x7c/0x1d0 kernel/events/core.c:10269
 perf_trace_lock+0x388/0x490 include/trace/events/lock.h:50
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x986/0x9f0 kernel/locking/lockdep.c:5765
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 __netif_tx_unlock include/linux/netdevice.h:4385 [inline]
 virtnet_poll_tx+0x426/0x730 drivers/net/virtio_net.c:2492
 __napi_poll+0xcb/0x490 net/core/dev.c:6721
 napi_poll net/core/dev.c:6790 [inline]
 net_rx_action+0x7bb/0x10a0 net/core/dev.c:6906
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 do_softirq+0x11b/0x1e0 kernel/softirq.c:455
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline]
 __dev_queue_xmit+0x16c9/0x3d30 net/core/dev.c:4420
 dev_queue_xmit include/linux/netdevice.h:3095 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip_finish_output2+0xd41/0x1380 net/ipv4/ip_output.c:235
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 __ip_queue_xmit+0x118c/0x1b70 net/ipv4/ip_output.c:535
 __tcp_transmit_skb+0x2557/0x3b80 net/ipv4/tcp_output.c:1466
 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]
 tcp_write_xmit+0x18b3/0x69d0 net/ipv4/tcp_output.c:2829
 __tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3014
 tcp_sendmsg_locked+0x4313/0x4d70 net/ipv4/tcp.c:1316
 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1348
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 sock_write_iter+0x2dd/0x400 net/socket.c:1160
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5b5916bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc582f3b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000002c RCX: 00007fa5b5916bf2
RDX: 000000000000002c RSI: 000055a08ff39960 RDI: 0000000000000004
RBP: 000055a08ff47220 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055a0848f4aa4
R13: 0000000000000039 R14: 000055a0848f53e8 R15: 00007ffc582f3ba8
 </TASK>