panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/main/kernel/sys/net/if_tun.c", line 315
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*195893  88787      0         0x2          0    0  ifconfig
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82722f34) at panic+0x161 sys/kern/subr_prf.c:198
__assert(ffffffff827a0c78,ffffffff827d347f,13b,ffffffff827b3ae6) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e3a800) at tun_clone_destroy+0x234 sys/net/if_tun.c:315
if_clone_destroy(ffff80002175e8b0) at if_clone_destroy+0x132 sys/net/if.c:1247
sys_ioctl(ffff80002b424b38,ffff80002175e9c0,ffff80002175ea10) at sys_ioctl+0x49e
syscall(ffff80002175ea90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:625
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcc0c0, count: 7
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