After set "ip ospf network broadcast", ospfd will close connection and exit.

[Jinl-jia]

Description

After set "ip ospf network broadcast",vtysh will print :
vtysh: error reading from ospfd: Resource temporarily unavailable (11)Warning: closing connection to ospfd because of an I/O error!

Version

181234# show version 
FRRouting 10.1-dev (181234) on Linux(5.4.0-150-generic).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
    '--prefix=/usr' '--includedir=${prefix}/include' '--bindir=${prefix}/bin' '--sbindir=${prefix}/lib/frr' '--libdir=${prefix}/lib/frr' '--libexecdir=${prefix}/lib/frr' '--localstatedir=/var/run/frr' '--sysconfdir=/etc/frr' '--with-moduledir=${prefix}/lib/frr/modules' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty'

How to reproduce

STEP1.
configuration：
DUT1#
interface enp0s3
ip ospf area 0
ip ospf network point-to-point
router ospf
ospf router-id 4.4.4.4

DUT2#
interface VLAN1
ip ospf area 0
ip ospf network point-to-point
router ospf
ospf router-id 1.1.1.1

STEP2.
configure DUT2:
DUT2# configure
DUT2(config)# interface enp0s3
DUT2(config-if)# ip ospf network broadcast
DUT2(config-if)# exit
DUT2(config)# no router ospf
DUT2(config)# router ospf
DUT2(config-router)# ospf router-id 1.1.1.1
DUT2(config-router)# end

STEP3.
configure DUT1:

DUT1# configure
DUT1(config)# interface enp0s3
DUT1(config-if)# ip ospf network broadcast
vtysh: error reading from ospfd: Resource temporarily unavailable (11)Warning: closing connection to ospfd because of an I/O error!

Expected behavior

There should be no message and error when set command.

Actual behavior

Error message is printed to screen and ospfd exited

Additional context

No response

Checklist

• I have searched the open issues for this bug.
• I have not included sensitive information in this report.

[donaldsharp]

what's the stack trace?

[Jafaral]

I can't reproduce this.

[Jinl-jia]

@donaldsharp only this ：vtysh: error reading from ospfd: Resource temporarily unavailable (11)Warning: closing connection to ospfd because of an I/O error! ，then vtysh exit

[Jinl-jia]

@Jafaral please repeat step 1-3 several times and check,thanks

[Jinl-jia]

Here are the behavior of 10.3：
Hello, this is FRRouting (version 10.3-dev).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

181234# show ip ospf neighbor

Neighbor ID Pri State Up Time Dead Time Address Interface RXmtL RqstL DBsmL
1.1.1.1 1 Full/- 3.453s 36.540s 192.168.1.101 enp0s3:192.168.1.100 1 0 0

181234# show ip ospf neighbor

Neighbor ID Pri State Up Time Dead Time Address Interface RXmtL RqstL DBsmL
1.1.1.1 1 Full/- 4.406s 35.587s 192.168.1.101 enp0s3:192.168.1.100 1 0 0

181234# con
181234(config)# interface enp0s3
181234(config-if)# ip ospf network broadcast
vtysh: error reading from ospfd: Resource temporarily unavailable (11)Warning: closing connection to ospfd because of an I/O error!
181234(config-if)#
181234(config-if)# end
Warning: connecting to ospfd...failed!
181234# show ip ospf neighbor
Warning: connecting to ospfd...success!
% OSPF is not enabled in vrf default
181234#

[ne-vlezay80]

Here are the behavior of 10.3： Hello, this is FRRouting (version 10.3-dev). Copyright 1996-2005 Kunihiro Ishiguro, et al.

181234# show ip ospf neighbor

Neighbor ID Pri State Up Time Dead Time Address Interface RXmtL RqstL DBsmL 1.1.1.1 1 Full/- 3.453s 36.540s 192.168.1.101 enp0s3:192.168.1.100 1 0 0

181234# show ip ospf neighbor

Neighbor ID Pri State Up Time Dead Time Address Interface RXmtL RqstL DBsmL 1.1.1.1 1 Full/- 4.406s 35.587s 192.168.1.101 enp0s3:192.168.1.100 1 0 0

181234# con 181234(config)# interface enp0s3 181234(config-if)# ip ospf network broadcast vtysh: error reading from ospfd: Resource temporarily unavailable (11)Warning: closing connection to ospfd because of an I/O error! 181234(config-if)# 181234(config-if)# end Warning: connecting to ospfd...failed! 181234# show ip ospf neighbor Warning: connecting to ospfd...success! % OSPF is not enabled in vrf default 181234#

Please provide backtrace or ospfd logs.

[Jinl-jia]

ospf.txt
@ne-vlezay80 thanks

[ne-vlezay80]

There backtrace:

OSPF: Received signal 11 at 1732845536 (si_addr 0x18, PC 0x55c3550d7660); aborting...
OSPF: zlog_signal+0xf3                   7f546d7b76a3     7ffc7ba93cf0 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: core_handler+0xb1                  7f546d7efcd1     7ffc7ba93e30 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: funlockfile+0x50                   7f546d0d0980     7ffc7ba93f80 /lib/x86_64-linux-gnu/libpthread.so.0 (mapped at 0x7f546d0be000)
OSPF:     ---- signal ----
OSPF: ospf_get_name+0                    55c3550d7660     7ffc7ba943f8 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_ls_retransmit_add+0x10e       55c3550ea31e     7ffc7ba94400 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_flood_through_interface+0x1da     55c3550ea52a     7ffc7ba94450 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_flood_through_area+0x98       55c3550eaaa8     7ffc7ba944b0 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_lsa_refresh+0xf5              55c35508b005     7ffc7ba944f0 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_router_lsa_update_area+0x26     55c35508b326     7ffc7ba94590 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: ospf_ism_event+0x126               55c355081f36     7ffc7ba945b0 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: event_call+0x83                    7f546d802253     7ffc7ba945f0 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: _event_execute+0xac                7f546d80258c     7ffc7ba94690 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: ip_ospf_network+0x15c              55c3550b5a7c     7ffc7ba946f0 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: cmd_execute_command_real+0x1c0     7f546d786250     7ffc7ba94750 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: cmd_execute_command+0xe9           7f546d7863c9     7ffc7ba947c0 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: cmd_execute+0x142                  7f546d7865f2     7ffc7ba94820 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: vty_command+0x147                  7f546d807877     7ffc7ba94880 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: vty_execute+0x30                   7f546d807ab0     7ffc7ba96930 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: vtysh_read+0xcb                    7f546d80b99b     7ffc7ba96960 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: event_call+0x83                    7f546d802253     7ffc7ba96bb0 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: frr_run+0xc0                       7f546d7aec90     7ffc7ba96c50 /usr/lib/frr/libfrr.so.0 (mapped at 0x7f546d6f0000)
OSPF: main+0x1d8                         55c355076968     7ffc7ba96d70 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: __libc_start_main+0xe7             7f546cceec87     7ffc7ba96d90 /lib/x86_64-linux-gnu/libc.so.6 (mapped at 0x7f546cccd000)
OSPF: _start+0x2a                        55c35507751a     7ffc7ba96e50 /usr/lib/frr/ospfd (mapped at 0x55c354ff6000)
OSPF: no thread information available

[ne-vlezay80]

Frr 10.2 from alpine linux edge (10.2) on incus from debian bookworm: Bug is not appers.

[Jinl-jia]

@ne-vlezay80 Please perform STEP3 immediately after STEP2,thanks

[ne-vlezay80]

Alpine linux 3.20 on Incus from debian bookworm. Bug is not appers.

two# conf t                                                                                                                                                                                                                              
two(config)# no router ospf                                                                                                                                                                                                              
two(config)# router ospf                                                                                                                                                                                                                 
two(config-router)# ospf router-id 172.30.255.1                                                                                                                                                                                          
For this router-id change to take effect, use "clear ip ospf process" command                                                                                                                                                            
two(config-router)# exut                                                                                                                                                                                                                 
% Unknown command: exut                                                                                                                                                                                                                  
two(config-router)# exit                                                                                                                                                                                                                 
two(config)# interface eth0                                                                                                                                                                                                              
two(config-if)# ip ospf network point-to-point                                                                                                                                                                                           
two(config-if)# exit                                                                                                                                                                                                                     
two(config)# exit                                                                                                                                                                                                                        
two# clear ip ospf                                                                                                                                                                                                                       
interface  neighbor   process    vrf                                                                                                                                                                                                     
two# clear ip ospf process  

[Jinl-jia]

@ne-vlezay80 Are you operating on one device ?