panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 316 Starting stack trace... panic(ffffffff83389388) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff833c482e,ffffffff8341050c,13c,ffffffff83303efb) at __assert+0x29 sys/kern/subr_prf.c:-1 tun_clone_destroy(ffff80000148c800) at tun_clone_destroy+0x38a if_clone_destroy(ffff80002a310300) at if_clone_destroy+0x1d5 sys/net/if.c:1415 ifioctl(ffff80000178a940,80206979,ffff80002a310300,ffff80003c5402c0) at ifioctl+0x59d sys/net/if.c:2092 sys_ioctl(ffff80003c5402c0,ffff80002a3104e0,ffff80002a310430) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a3104e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3104e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd800e1b8980, count: 249 End of stack trace. syncing disks... OpenBSD/amd64 (Qęm׌mx\Ԅ ,Ц6;",ksOI؆!B2)o7(iQ3k kg!nK=k{U*L) (tty00)