panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_unveil.c", line 188 Starting stack trace... panic(ffffffff830bd0f8) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff83076404,ffffffff8304895b,bc,ffffffff82ffb8e3) at __assert+0x29 unveil_destroy(ffff80002a464ce0) at unveil_destroy+0x1dd sys/kern/kern_unveil.c:188 exit1(ffff8000376911f0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff8000376911f0,ffff80002a509500,ffff80002a509450) at sys_exit+0x1a syscall(ffff80002a509500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7376aecebe90, count: 250 End of stack trace.