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(ffffffff83413c7a) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833c39f3,ffffffff8336655a,3e4,ffffffff83340f6a) at __assert+0x29 sys/kern/subr_prf.c:-1
rtrequest(1,ffff80003bd354d8,38,ffff80003bd35450,0) at rtrequest+0xf10 rtlabel_id2sa sys/net/route.c:1812 [inline]
rtrequest(1,ffff80003bd354d8,38,ffff80003bd35450,0) at rtrequest+0xf10 sys/net/route.c:990
rtm_output(ffff8000014b0100,ffff80003bd35580,ffff80003bd354d8,38,0) at rtm_output+0x855 sys/net/rtsock.c:973
route_output(fffffd806d237900,ffff800010fdb4f0) at route_output+0x9ac sys/net/rtsock.c:878
route_send(ffff800010fdb4f0,fffffd806d237900,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(ffff800010fdb4f0,0,ffff80003bd35728,0,0,400) at sosend+0x824 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7f0cf0,6,ffff80003bd35820,400,ffff80003bd358d0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff80002a7f0cf0,ffff80003bd35980,ffff80003bd358d0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003bd35980) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003bd35980) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7125e6a5cc0, count: 246
End of stack trace.