panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 315
Starting stack trace...
panic(ffffffff830de3ab) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff830904fb,ffffffff83065f21,13b,ffffffff8306f3b7) at __assert+0x29
tun_clone_destroy(ffff800001195800) at tun_clone_destroy+0x38a sys/net/if_tun.c:315
if_clone_destroy(ffff80002ff7fc90) at if_clone_destroy+0x1d7 sys/net/if.c:1384
ifioctl(ffff800010fd7c90,80206979,ffff80002ff7fc90,ffff80003259dc08) at ifioctl+0x5c5
sys_ioctl(ffff80003259dc08,ffff80002ff7fe70,ffff80002ff7fdc0) at sys_ioctl+0x67c
syscall(ffff80002ff7fe70) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002ff7fe70) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x702b1ee0770, count: 249
End of stack trace.