panic: kernel diagnostic assertion "info->rti_ifa->ifa_ifp != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/route.c", line 996
Starting stack trace...
panic(ffffffff8341eff3) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833cffc2,ffffffff83372f41,3e4,ffffffff8334d5d0) at __assert+0x29 sys/kern/subr_prf.c:-1
rtrequest(1,ffff80002f959728,38,ffff80002f9596a0,0) at rtrequest+0xf10 rtlabel_id2sa sys/net/route.c:1812 [inline]
rtrequest(1,ffff80002f959728,38,ffff80002f9596a0,0) at rtrequest+0xf10 sys/net/route.c:990
rtm_output(ffff80000154a600,ffff80002f9597d0,ffff80002f959728,38,0) at rtm_output+0x855 sys/net/rtsock.c:973
route_output(fffffd806c4b0200,ffff80000150d088) at route_output+0x9ac sys/net/rtsock.c:878
route_send(ffff80000150d088,fffffd806c4b0200,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(ffff80000150d088,0,ffff80002f959978,0,0,0) at sosend+0x824 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7ce7c8,4,ffff80002f959a70,0,ffff80002f959b20) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff80002a7ce7c8,ffff80002f959bd0,ffff80002f959b20) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80002f959bd0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002f959bd0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4c7bd830de0, count: 246
End of stack trace.