panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_unveil.c", line 188 Starting stack trace... panic(ffffffff827a639c) at panic+0x16f sys/kern/subr_prf.c:229 __assert(ffffffff82822a52,ffffffff828278cb,bc,ffffffff827bdb34) at __assert+0x29 sys/kern/subr_prf.c:157 unveil_destroy(ffff800021298ca8) at unveil_destroy+0x1a4 sys/kern/kern_unveil.c:188 exit1(ffff80002124a008,0,0,1) at exit1+0x3d8 sys/kern/kern_exit.c:222 sys_exit(ffff80002124a008,ffff80002e44b9b0,ffff80002e44ba00) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e44ba80) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e44ba80) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7449379227c0, count: 250 End of stack trace. syncing disks...22 3 done