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(ffffffff83438bf0) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff833e698e,ffffffff833a0f21,bc,ffffffff8335b1eb) at __assert+0x29 unveil_destroy(ffff80002a456ff8) at unveil_destroy+0x1dd sys/kern/kern_unveil.c:188 exit1(ffff80003c5a4558,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80003c5a4558,ffff80002a422ab0,ffff80002a422a00) at sys_exit+0x1a syscall(ffff80002a422ab0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a422ab0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ba59a707d10, count: 250 End of stack trace.