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(ffffffff8295b6d2) at panic+0x16f sys/kern/subr_prf.c:229 __assert(ffffffff8290d043,ffffffff828cb081,bc,ffffffff8288dd2d) at __assert+0x29 sys/kern/subr_prf.c:157 unveil_destroy(ffff80002a291ab8) at unveil_destroy+0x174 sys/kern/kern_unveil.c:188 exit1(ffff8000373a0048,0,0,1) at exit1+0x3d9 sys/kern/kern_exit.c:218 sys_exit(ffff8000373a0048,ffff80002a24c7d0,ffff80002a24c720) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002a24c7d0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a24c7d0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77043bd6f840, count: 250 End of stack trace.