panic: ifa_update_broadaddr does not support dynamic length
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*436388  26608      0           0  0x4000000    0  syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
ifa_update_broadaddr(ffff800000af7800,ffff800000c89100,ffff800014884a50) at ifa_update_broadaddr+0x61 sys/net/if.c:2970
in_ioctl(80206913,ffff800014884a40,ffff800000af7800,1) at in_ioctl+0x463 sys/netinet/in.c:311
ifioctl(fffffd8037001d80,80206913,ffff800014884a40,ffff80001491cc70) at ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff80001491cc70,ffff800014884b58,ffff800014884ba0) at sys_ioctl+0x5b9
syscall(ffff800014884c20) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,2213bfbc010) at Xsyscall+0x128
end of kernel
end trace frame: 0x22340b99950, count: 7
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