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(ffffffff83421e36) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff833ce921,ffffffff8336f638,3e4,ffffffff83349d0e) at __assert+0x29 sys/kern/subr_prf.c:-1
rtrequest(1,ffff80003c9534c8,38,ffff80003c953440,0) at rtrequest+0xf10 rtlabel_id2sa sys/net/route.c:1812 [inline]
rtrequest(1,ffff80003c9534c8,38,ffff80003c953440,0) at rtrequest+0xf10 sys/net/route.c:990
rtm_output(ffff80000142d100,ffff80003c953570,ffff80003c9534c8,38,0) at rtm_output+0x855 sys/net/rtsock.c:973
route_output(fffffd806c342d00,ffff8000015370a8) at 
route_output+0x9ac
route_send(ffff8000015370a8,fffffd806c342d00,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(ffff8000015370a8,0,ffff80003c953718,0,0,0) at sosend+0x824 sys/kern/uipc_socket.c:-1
sendit(ffff80002a7e39b8,6,ffff80003c953810,0,ffff80003c9538c0) at sendit+0x721 sys/kern/uipc_syscalls.c:779
sys_sendto(ffff80002a7e39b8,ffff80003c953970,ffff80003c9538c0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557
syscall(ffff80003c953970) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c953970) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4b05776eb00, count: 246
End of stack trace.
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