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(ffffffff8336dcca) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff833afc5b,ffffffff833fc472,13c,ffffffff832eff8b) at __assert+0x29 sys/kern/subr_prf.c:-1 tun_clone_destroy(ffff800001489000) at tun_clone_destroy+0x38a if_clone_destroy(ffff80003c429d50) at if_clone_destroy+0x1d5 sys/net/if.c:1415 ifioctl(ffff80000160a100,80206979,ffff80003c429d50,ffff8000fffe8d18) at ifioctl+0x59d sys/net/if.c:2092 sys_ioctl(ffff8000fffe8d18,ffff80003c429f30,ffff80003c429e80) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c429f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c429f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71f58b6b6800, count: 249 End of stack trace. syncing disks... OpenBSD/amd64 (Amnesiac) (tty00)