panic: kernel diagnostic assertion "info->rti_ifa->ifa_ifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 993
Starting stack trace...
panic(ffffffff833904fb) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff833ceb9b,ffffffff83357db6,3e1,ffffffff8330877e) at __assert+0x29 sys/kern/subr_prf.c:-1
rtrequest(1,ffff80003c404248,38,ffff80003c4041b0,0) at rtrequest+0xe63 sys/net/route.c:1089
rtm_output(ffff800001495600,ffff80003c4042e8,ffff80003c404248,38,0) at rtm_output+0x93d sys/net/rtsock.c:953
route_output(fffffd8
0734c0e00,ffff8000015450e0) at route_output+0x9ef sys/net/rtsock.c:858
route_send(ffff8000015450e0,fffffd80734c0e00,0,0) at route_send+0xd7 sys/net/rtsock.c:322
sosend(ffff8000015450e0,0,ffff80003c404498,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1
sendit(ffff80003c455780,4,ffff80003c404590,0,ffff80003c404640) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785
sys_sendto(ffff80003c455780,ffff80003c4046f0,ffff80003c404640) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:563
syscall(ffff80003c4046f0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4046f0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa1313592690, count: 246
End of stack trace.
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