panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_unveil.c", line 188
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff833ff54a) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff833b1752,ffffffff8337adec,bc,ffffffff83323f6a) at __assert+0x29
unveil_destroy(ffff80003c96c470) at unveil_destroy+0x1dd sys/kern/kern_unveil.c:188
exit1(ffff80002a800cf0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233
sys_exit(ffff80002a800cf0,ffff80003c961f00,ffff80003c961e50) at sys_exit+0x1a
syscall(ffff80003c961f00) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75c1e9916700, count: 7
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