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WARNING: lock held when returning to user space!
6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0 Tainted: G     U            
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syz.2.5691/24214 is leaving the kernel with locks still held!
1 lock held by syz.2.5691/24214:
 #0: ffffffff8fabe008 (rtnl_mutex){+.+.}-{4:4}, at: nsim_pp_hold_write+0x105/0x4d0 drivers/net/netdevsim/netdev.c:623