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(ffffffff827a0e01) at panic+0x16f sys/kern/subr_prf.c:229 __assert(ffffffff8281f100,ffffffff82823261,bc,ffffffff827b914b) at __assert+0x29 sys/kern/subr_prf.c:157 unveil_destroy(ffff800021285508) at unveil_destroy+0x1a4 sys/kern/kern_unveil.c:188 exit1(ffff8000211f8348,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220 sys_exit(ffff8000211f8348,ffff8000244d7660,ffff8000244d76b0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff8000244d7730) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000244d7730) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7724bea092e0, count: 250 End of stack trace.