panic: assertwaitok: non-zero mutex count: 1 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 395044 47057 32767 0x10 0x4000000 1 syz-executor.1 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827be81d) at panic+0x17b sys/kern/subr_prf.c:198 assertwaitok() at assertwaitok+0x132 sys/kern/subr_xxx.c:163 mi_switch() at mi_switch+0x46 sys/kern/sched_bsd.c:360 sleep_ficlient_loop: send disconnect: Broken pipe