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(ffffffff830b5f6d) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff8306b5a4,ffffffff8303e84c,bc,ffffffff82ff1787) at __assert+0x29
unveil_destroy(ffff8000376aa6a8) at unveil_destroy+0x1dd sys/kern/kern_unveil.c:188
exit1(ffff80002a4d1200,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233
sys_exit(ffff80002a4d1200,ffff80002a59bbb0,ffff80002a59bb00) at sys_exit+0x1a
syscall(ffff80002a59bbb0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c1547296cc0, count: 250
End of stack trace.