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WARNING: lock held when returning to user space!
6.9.0-rc7-syzkaller-g1c9135d29e9e #0 Not tainted
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syz-executor.4/6671 is leaving the kernel with locks still held!
1 lock held by syz-executor.4/6671:
 #0: ffff0000fc504250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 include/linux/srcu.h:115