panic: kernel diagnostic assertion "info->rti_ifa->ifa_ifp != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/route.c", line 994
Starting stack trace...
panic(ffffffff83407df2) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833b5b9c,ffffffff83355927,3e2,ffffffff83330121) at __assert+0x29
rtrequest(1,ffff800036d33058,38,ffff800036d32fd0,0) at rtrequest+0xf00 rtlabel_id2sa sys/net/route.c:1808 [inline]
rtrequest(1,ffff800036d33058,38,ffff800036d32fd0,0) at rtrequest+0xf00 sys/net/route.c:988
rtm_output(ffff8000014cfb00,ffff800036d33100,ffff800036d33058,38,0) at rtm_output+0x856 sys/net/rtsock.c:972
route_output(fffffd8066f4af00,ffff8000015a2250) at route_output+0x9ac sys/net/rtsock.c:877
route_send(ffff8000015a2250,fffffd8066f4af00,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(ffff8000015a2250,0,ffff800036d332a8,0,0,0) at sosend+0x824
sendit(ffff80002a7b6568,4,ffff800036d333a0,0,ffff800036d33450) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff80002a7b6568,ffff800036d33500,ffff800036d33450) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff800036d33500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa1781500350, count: 246
End of stack trace.