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Perhaps frr.log should be writable by frr itself#20

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Perhaps frr.log should be writable by frr itself#20
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@aduitsis aduitsis commented Jan 8, 2021

Creating the frr.log with root as owner, prevents frr itself from writing to that file, in case we want to have frr write to its log directly instead of going though rsyslog.

@aduitsis
Perhaps frr.log should be writable by frr itself
0d3f8a9 
Creating the frr.log with root as owner, prevents frr itself from writing to that file, in case we want to have frr write to its log directly instead of going though rsyslog.
marcosfsch pushed a commit to marcosfsch/sonic-frr that referenced this pull request Jan 30, 2024
@Keelan10
pimd: Fix memory leak in PIM interface deletion
24379f0 
This commit ensures proper cleanup by deleting the gm_join_list when a PIM interface is deleted. The gm_join_list was previously not being freed, causing a memory leak.

The ASan leak log for reference:
```
***********************************************************************************
Address Sanitizer Error detected in multicast_mld_join_topo1.test_multicast_mld_local_join/r1.asan.pim6d.28070

=================================================================
==28070==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 40 byte(s) in 1 object(s) allocated from:
    #0 0x7f3605dbfd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
    sonic-net#1 0x56230373dd6b in qcalloc lib/memory.c:105
    sonic-net#2 0x56230372180f in list_new lib/linklist.c:49
    sonic-net#3 0x56230361b589 in pim_if_gm_join_add pimd/pim_iface.c:1313
    sonic-net#4 0x562303642247 in lib_interface_gmp_address_family_static_group_create pimd/pim_nb_config.c:2868
    sonic-net#5 0x562303767280 in nb_callback_create lib/northbound.c:1235
    sonic-net#6 0x562303767280 in nb_callback_configuration lib/northbound.c:1579
    sonic-net#7 0x562303768a1d in nb_transaction_process lib/northbound.c:1710
    sonic-net#8 0x56230376904a in nb_candidate_commit_apply lib/northbound.c:1104
    sonic-net#9 0x5623037692ba in nb_candidate_commit lib/northbound.c:1137
    sonic-net#10 0x562303769dec in nb_cli_classic_commit lib/northbound_cli.c:49
    sonic-net#11 0x56230376fb79 in nb_cli_pending_commit_check lib/northbound_cli.c:88
    sonic-net#12 0x5623036c5bcb in cmd_execute_command_real lib/command.c:991
    sonic-net#13 0x5623036c5f1b in cmd_execute_command lib/command.c:1053
    sonic-net#14 0x5623036c6392 in cmd_execute lib/command.c:1221
    sonic-net#15 0x5623037e75da in vty_command lib/vty.c:591
    sonic-net#16 0x5623037e7a74 in vty_execute lib/vty.c:1354
    sonic-net#17 0x5623037f0253 in vtysh_read lib/vty.c:2362
    sonic-net#18 0x5623037db4e8 in event_call lib/event.c:1995
    sonic-net#19 0x562303720f97 in frr_run lib/libfrr.c:1213
    sonic-net#20 0x56230368615d in main pimd/pim6_main.c:184
    sonic-net#21 0x7f360461bc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

Indirect leak of 192 byte(s) in 4 object(s) allocated from:
    #0 0x7f3605dbfd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
    sonic-net#1 0x56230373dd6b in qcalloc lib/memory.c:105
    sonic-net#2 0x56230361b91d in gm_join_new pimd/pim_iface.c:1288
    sonic-net#3 0x56230361b91d in pim_if_gm_join_add pimd/pim_iface.c:1326
    sonic-net#4 0x562303642247 in lib_interface_gmp_address_family_static_group_create pimd/pim_nb_config.c:2868
    sonic-net#5 0x562303767280 in nb_callback_create lib/northbound.c:1235
    sonic-net#6 0x562303767280 in nb_callback_configuration lib/northbound.c:1579
    sonic-net#7 0x562303768a1d in nb_transaction_process lib/northbound.c:1710
    sonic-net#8 0x56230376904a in nb_candidate_commit_apply lib/northbound.c:1104
    sonic-net#9 0x5623037692ba in nb_candidate_commit lib/northbound.c:1137
    sonic-net#10 0x562303769dec in nb_cli_classic_commit lib/northbound_cli.c:49
    sonic-net#11 0x56230376fb79 in nb_cli_pending_commit_check lib/northbound_cli.c:88
    sonic-net#12 0x5623036c5bcb in cmd_execute_command_real lib/command.c:991
    sonic-net#13 0x5623036c5f1b in cmd_execute_command lib/command.c:1053
    sonic-net#14 0x5623036c6392 in cmd_execute lib/command.c:1221
    sonic-net#15 0x5623037e75da in vty_command lib/vty.c:591
    sonic-net#16 0x5623037e7a74 in vty_execute lib/vty.c:1354
    sonic-net#17 0x5623037f0253 in vtysh_read lib/vty.c:2362
    sonic-net#18 0x5623037db4e8 in event_call lib/event.c:1995
    sonic-net#19 0x562303720f97 in frr_run lib/libfrr.c:1213
    sonic-net#20 0x56230368615d in main pimd/pim6_main.c:184
    sonic-net#21 0x7f360461bc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

Indirect leak of 96 byte(s) in 4 object(s) allocated from:
    #0 0x7f3605dbfd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
    sonic-net#1 0x56230373dd6b in qcalloc lib/memory.c:105
    sonic-net#2 0x562303721651 in listnode_new lib/linklist.c:71
    sonic-net#3 0x56230372182b in listnode_add lib/linklist.c:92
    sonic-net#4 0x56230361ba9a in gm_join_new pimd/pim_iface.c:1295
    sonic-net#5 0x56230361ba9a in pim_if_gm_join_add pimd/pim_iface.c:1326
    sonic-net#6 0x562303642247 in lib_interface_gmp_address_family_static_group_create pimd/pim_nb_config.c:2868
    sonic-net#7 0x562303767280 in nb_callback_create lib/northbound.c:1235
    sonic-net#8 0x562303767280 in nb_callback_configuration lib/northbound.c:1579
    sonic-net#9 0x562303768a1d in nb_transaction_process lib/northbound.c:1710
    sonic-net#10 0x56230376904a in nb_candidate_commit_apply lib/northbound.c:1104
    sonic-net#11 0x5623037692ba in nb_candidate_commit lib/northbound.c:1137
    sonic-net#12 0x562303769dec in nb_cli_classic_commit lib/northbound_cli.c:49
    sonic-net#13 0x56230376fb79 in nb_cli_pending_commit_check lib/northbound_cli.c:88
    sonic-net#14 0x5623036c5bcb in cmd_execute_command_real lib/command.c:991
    sonic-net#15 0x5623036c5f1b in cmd_execute_command lib/command.c:1053
    sonic-net#16 0x5623036c6392 in cmd_execute lib/command.c:1221
    sonic-net#17 0x5623037e75da in vty_command lib/vty.c:591
    sonic-net#18 0x5623037e7a74 in vty_execute lib/vty.c:1354
    sonic-net#19 0x5623037f0253 in vtysh_read lib/vty.c:2362
    sonic-net#20 0x5623037db4e8 in event_call lib/event.c:1995
    sonic-net#21 0x562303720f97 in frr_run lib/libfrr.c:1213
    sonic-net#22 0x56230368615d in main pimd/pim6_main.c:184
    sonic-net#23 0x7f360461bc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

Indirect leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x7f3605dbfd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
    sonic-net#1 0x56230373dd6b in qcalloc lib/memory.c:105
    sonic-net#2 0x56230361b91d in gm_join_new pimd/pim_iface.c:1288
    sonic-net#3 0x56230361b91d in pim_if_gm_join_add pimd/pim_iface.c:1326
    sonic-net#4 0x562303642247 in lib_interface_gmp_address_family_static_group_create pimd/pim_nb_config.c:2868
    sonic-net#5 0x562303767280 in nb_callback_create lib/northbound.c:1235
    sonic-net#6 0x562303767280 in nb_callback_configuration lib/northbound.c:1579
    sonic-net#7 0x562303768a1d in nb_transaction_process lib/northbound.c:1710
    sonic-net#8 0x56230376904a in nb_candidate_commit_apply lib/northbound.c:1104
    sonic-net#9 0x5623037692ba in nb_candidate_commit lib/northbound.c:1137
    sonic-net#10 0x562303769dec in nb_cli_classic_commit lib/northbound_cli.c:49
    sonic-net#11 0x56230376fb79 in nb_cli_pending_commit_check lib/northbound_cli.c:88
    sonic-net#12 0x5623036c5bcb in cmd_execute_command_real lib/command.c:991
    sonic-net#13 0x5623036c5f6f in cmd_execute_command lib/command.c:1072
    sonic-net#14 0x5623036c6392 in cmd_execute lib/command.c:1221
    sonic-net#15 0x5623037e75da in vty_command lib/vty.c:591
    sonic-net#16 0x5623037e7a74 in vty_execute lib/vty.c:1354
    sonic-net#17 0x5623037f0253 in vtysh_read lib/vty.c:2362
    sonic-net#18 0x5623037db4e8 in event_call lib/event.c:1995
    sonic-net#19 0x562303720f97 in frr_run lib/libfrr.c:1213
    sonic-net#20 0x56230368615d in main pimd/pim6_main.c:184
    sonic-net#21 0x7f360461bc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

Indirect leak of 24 byte(s) in 1 object(s) allocated from:
    #0 0x7f3605dbfd28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
    sonic-net#1 0x56230373dd6b in qcalloc lib/memory.c:105
    sonic-net#2 0x562303721651 in listnode_new lib/linklist.c:71
    sonic-net#3 0x56230372182b in listnode_add lib/linklist.c:92
    sonic-net#4 0x56230361ba9a in gm_join_new pimd/pim_iface.c:1295
    sonic-net#5 0x56230361ba9a in pim_if_gm_join_add pimd/pim_iface.c:1326
    sonic-net#6 0x562303642247 in lib_interface_gmp_address_family_static_group_create pimd/pim_nb_config.c:2868
    sonic-net#7 0x562303767280 in nb_callback_create lib/northbound.c:1235
    sonic-net#8 0x562303767280 in nb_callback_configuration lib/northbound.c:1579
    sonic-net#9 0x562303768a1d in nb_transaction_process lib/northbound.c:1710
    sonic-net#10 0x56230376904a in nb_candidate_commit_apply lib/northbound.c:1104
    sonic-net#11 0x5623037692ba in nb_candidate_commit lib/northbound.c:1137
    sonic-net#12 0x562303769dec in nb_cli_classic_commit lib/northbound_cli.c:49
    sonic-net#13 0x56230376fb79 in nb_cli_pending_commit_check lib/northbound_cli.c:88
    sonic-net#14 0x5623036c5bcb in cmd_execute_command_real lib/command.c:991
    sonic-net#15 0x5623036c5f6f in cmd_execute_command lib/command.c:1072
    sonic-net#16 0x5623036c6392 in cmd_execute lib/command.c:1221
    sonic-net#17 0x5623037e75da in vty_command lib/vty.c:591
    sonic-net#18 0x5623037e7a74 in vty_execute lib/vty.c:1354
    sonic-net#19 0x5623037f0253 in vtysh_read lib/vty.c:2362
    sonic-net#20 0x5623037db4e8 in event_call lib/event.c:1995
    sonic-net#21 0x562303720f97 in frr_run lib/libfrr.c:1213
    sonic-net#22 0x56230368615d in main pimd/pim6_main.c:184
    sonic-net#23 0x7f360461bc86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)

SUMMARY: AddressSanitizer: 400 byte(s) leaked in 11 allocation(s).
***********************************************************************************
```

Signed-off-by: Keelan Cannoo <keelan.cannoo@icloud.com>
eddieruan-alibaba pushed a commit to eddieruan-alibaba/sonic-frr that referenced this pull request Mar 11, 2025
@pguibert6WIND
bgpd: bmp, fix address sanitizer issue
9e940d4 
The following ASAN error can be seen.

> ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned: 0x608000036c20
>     #0 0x7f3d7a4b5425 in __interceptor_malloc_usable_size ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:198
>     sonic-net#1 0x7f3d7a426a16 in __sanitizer::BufferedStackTrace::Unwind(unsigned long, unsigned long, void*, bool, unsigned int) ../../../../src/libsanitizer/sanitizer_common
> /sanitizer_stacktrace.h:122
>     sonic-net#2 0x7f3d7a426a16 in __asan::asan_malloc_usable_size(void const*, unsigned long, unsigned long) ../../../../src/libsanitizer/asan/asan_allocator.cpp:1074
>     sonic-net#3 0x7f3d7a03f330 in mt_count_free lib/memory.c:78
>     sonic-net#4 0x7f3d7a03f330 in qfree lib/memory.c:130
>     sonic-net#5 0x7f3d76ccf89b in bmp_peer_status_changed bgpd/bgp_bmp.c:982
>     sonic-net#6 0x560ae2aa6a94 in hook_call_peer_status_changed bgpd/bgp_fsm.c:47
>     sonic-net#7 0x560ae2aa6a94 in bgp_fsm_change_status bgpd/bgp_fsm.c:1287
>     sonic-net#8 0x560ae2c4f2e5 in peer_delete bgpd/bgpd.c:2777
>     sonic-net#9 0x560ae2c58d24 in bgp_delete bgpd/bgpd.c:4140
>     sonic-net#10 0x560ae2bbb47e in no_router_bgp bgpd/bgp_vty.c:1764
>     sonic-net#11 0x7f3d79fb74ed in cmd_execute_command_real lib/command.c:1003
>     sonic-net#12 0x7f3d79fb78a3 in cmd_execute_command lib/command.c:1062
>     sonic-net#13 0x7f3d79fb7e03 in cmd_execute lib/command.c:1228
>     sonic-net#14 0x7f3d7a107b53 in vty_command lib/vty.c:625
>     sonic-net#15 0x7f3d7a109902 in vty_execute lib/vty.c:1388
>     sonic-net#16 0x7f3d7a10cc32 in vtysh_read lib/vty.c:2400
>     sonic-net#17 0x7f3d7a0f848b in event_call lib/event.c:2019
>     sonic-net#18 0x7f3d7a01e627 in frr_run lib/libfrr.c:1232
>     sonic-net#19 0x560ae29e0037 in main bgpd/bgp_main.c:555
>     sonic-net#20 0x7f3d79a29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>     sonic-net#21 0x7f3d79a29e3f in __libc_start_main_impl ../csu/libc-start.c:392
>     sonic-net#22 0x560ae29e4ef4 in _start (/usr/lib/frr/bgpd+0x2eeef4)
>
> 0x608000036c20 is located 0 bytes inside of 81-byte region [0x608000036c20,0x608000036c71)
> freed by thread T0 here:
>     #0 0x7f3d7a4b4537 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:127
>     sonic-net#1 0x7f3d76ccf85f in bmp_peer_status_changed bgpd/bgp_bmp.c:981
>     sonic-net#2 0x560ae2aa6a94 in hook_call_peer_status_changed bgpd/bgp_fsm.c:47
>     sonic-net#3 0x560ae2aa6a94 in bgp_fsm_change_status bgpd/bgp_fsm.c:1287
>     sonic-net#4 0x560ae2c4f2e5 in peer_delete bgpd/bgpd.c:2777
>     sonic-net#5 0x560ae2c58d24 in bgp_delete bgpd/bgpd.c:4140
>     sonic-net#6 0x560ae2bbb47e in no_router_bgp bgpd/bgp_vty.c:1764
>     sonic-net#7 0x7f3d79fb74ed in cmd_execute_command_real lib/command.c:1003
>     sonic-net#8 0x7f3d79fb78a3 in cmd_execute_command lib/command.c:1062
>     sonic-net#9 0x7f3d79fb7e03 in cmd_execute lib/command.c:1228
>     sonic-net#10 0x7f3d7a107b53 in vty_command lib/vty.c:625
>     sonic-net#11 0x7f3d7a109902 in vty_execute lib/vty.c:1388
>     sonic-net#12 0x7f3d7a10cc32 in vtysh_read lib/vty.c:2400
>     sonic-net#13 0x7f3d7a0f848b in event_call lib/event.c:2019
>     sonic-net#14 0x7f3d7a01e627 in frr_run lib/libfrr.c:1232
>     sonic-net#15 0x560ae29e0037 in main bgpd/bgp_main.c:555
>     sonic-net#16 0x7f3d79a29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>
> previously allocated by thread T0 here:
>     #0 0x7f3d7a4b4887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
>     sonic-net#1 0x7f3d7a03f0e9 in qmalloc lib/memory.c:101
>     sonic-net#2 0x7f3d76cd0166 in bmp_bgp_peer_vrf bgpd/bgp_bmp.c:2194
>     sonic-net#3 0x7f3d76cd0166 in bmp_bgp_update_vrf_status bgpd/bgp_bmp.c:2236
>     sonic-net#4 0x7f3d76cd29b8 in bmp_vrf_state_changed bgpd/bgp_bmp.c:3479
>     sonic-net#5 0x560ae2c45b34 in hook_call_bgp_instance_state bgpd/bgpd.c:88
>     sonic-net#6 0x560ae2c4d158 in bgp_instance_up bgpd/bgpd.c:3936
>     sonic-net#7 0x560ae29e5ed1 in bgp_vrf_enable bgpd/bgp_main.c:299
>     sonic-net#8 0x7f3d7a0ff8b1 in vrf_enable lib/vrf.c:286
>     sonic-net#9 0x7f3d7a0ff8b1 in vrf_enable lib/vrf.c:275
>     sonic-net#10 0x7f3d7a12ab66 in zclient_vrf_add lib/zclient.c:2561
>     sonic-net#11 0x7f3d7a12eb43 in zclient_read lib/zclient.c:4624
>     sonic-net#12 0x7f3d7a0f848b in event_call lib/event.c:2019
>     sonic-net#13 0x7f3d7a01e627 in frr_run lib/libfrr.c:1232
>     sonic-net#14 0x560ae29e0037 in main bgpd/bgp_main.c:555
>     sonic-net#15 0x7f3d79a29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
eddieruan-alibaba pushed a commit to eddieruan-alibaba/sonic-frr that referenced this pull request Aug 19, 2025
@louis-6wind @pguibert6WIND
zebra: fix heap-after-free on shutdown in netns mode
39f6549 
Seen with bfd_vrf_topo1, and bgp_evpn_rt5 on Ubuntu 22.04 hwe.

Do not call ns_delete() from zebra_vrf_delete(), which calls
zebra_ns_delete().

- If a netns is removed from the system, vrf_delete()->zebra_vrf_delete()
  is called before calling ns_delete() (see zebra_ns_notify.c).
- If zebra is terminating, zebra_ns_final_shutdown() will call
  zebra_vrf_delete().

> ==616172==ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000ae3a4 at pc 0x556cdc178d8f bp 0x7ffe4f41ace0 sp 0x7ffe4f41acd0
> READ of size 4 at 0x6160000ae3a4 thread T0
>     #0 0x556cdc178d8e in ctx_info_from_zns zebra/zebra_dplane.c:3394
>     sonic-net#1 0x556cdc178f55 in dplane_ctx_ns_init zebra/zebra_dplane.c:3410
>     sonic-net#2 0x556cdc17b829 in dplane_ctx_nexthop_init zebra/zebra_dplane.c:3759
>     sonic-net#3 0x556cdc18095f in dplane_nexthop_update_internal zebra/zebra_dplane.c:4566
>     sonic-net#4 0x556cdc1813f1 in dplane_nexthop_delete zebra/zebra_dplane.c:4793
>     sonic-net#5 0x556cdc229234 in zebra_nhg_uninstall_kernel zebra/zebra_nhg.c:3484
>     sonic-net#6 0x556cdc21f8fe in zebra_nhg_decrement_ref zebra/zebra_nhg.c:1804
>     sonic-net#7 0x556cdc24b05a in route_entry_update_nhe zebra/zebra_rib.c:456
>     sonic-net#8 0x556cdc255083 in rib_re_nhg_free zebra/zebra_rib.c:2633
>     sonic-net#9 0x556cdc25e3bb in rib_unlink zebra/zebra_rib.c:4049
>     sonic-net#10 0x556cdc24c9b0 in zebra_rtable_node_cleanup zebra/zebra_rib.c:903
>     sonic-net#11 0x7fb25c173144 in route_node_free lib/table.c:75
>     sonic-net#12 0x7fb25c17337f in route_table_free lib/table.c:111
>     sonic-net#13 0x7fb25c172fe4 in route_table_finish lib/table.c:46
>     sonic-net#14 0x556cdc266f62 in zebra_router_free_table zebra/zebra_router.c:191
>     sonic-net#15 0x556cdc2673ef in zebra_router_terminate zebra/zebra_router.c:243
>     sonic-net#16 0x556cdc10638b in zebra_finalize zebra/main.c:240
>     sonic-net#17 0x7fb25c18e012 in event_call lib/event.c:2019
>     sonic-net#18 0x7fb25c04afc6 in frr_run lib/libfrr.c:1247
>     sonic-net#19 0x556cdc106deb in main zebra/main.c:543
>     sonic-net#20 0x7fb25ba29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>     sonic-net#21 0x7fb25ba29e3f in __libc_start_main_impl ../csu/libc-start.c:392
>     sonic-net#22 0x556cdc0c7ed4 in _start (/usr/lib/frr/zebra+0x192ed4)
>
> 0x6160000ae3a4 is located 36 bytes inside of 592-byte region [0x6160000ae380,0x6160000ae5d0)
> freed by thread T0 here:
>     #0 0x7fb25c6b4537 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:127
>     sonic-net#1 0x7fb25c0790e3 in qfree lib/memory.c:131
>     sonic-net#2 0x556cdc22d9c9 in zebra_ns_delete zebra/zebra_ns.c:261
>     sonic-net#3 0x7fb25c0ac400 in ns_delete lib/netns_linux.c:319
>     sonic-net#4 0x556cdc28026a in zebra_vrf_delete zebra/zebra_vrf.c:343
>     sonic-net#5 0x7fb25c197443 in vrf_delete lib/vrf.c:282
>     sonic-net#6 0x7fb25c1987e8 in vrf_terminate_single lib/vrf.c:601
>     sonic-net#7 0x7fb25c197a7a in vrf_iterate lib/vrf.c:394
>     sonic-net#8 0x7fb25c198834 in vrf_terminate lib/vrf.c:609
>     sonic-net#9 0x556cdc106345 in zebra_finalize zebra/main.c:223
>     sonic-net#10 0x7fb25c18e012 in event_call lib/event.c:2019
>     sonic-net#11 0x7fb25c04afc6 in frr_run lib/libfrr.c:1247
>     sonic-net#12 0x556cdc106deb in main zebra/main.c:543
>     sonic-net#13 0x7fb25ba29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>
> previously allocated by thread T0 here:
>     #0 0x7fb25c6b4a57 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:154
>     sonic-net#1 0x7fb25c078f91 in qcalloc lib/memory.c:106
>     sonic-net#2 0x556cdc22d6a1 in zebra_ns_new zebra/zebra_ns.c:231
>     sonic-net#3 0x556cdc22e30b in zebra_ns_init zebra/zebra_ns.c:429
>     sonic-net#4 0x556cdc106cec in main zebra/main.c:480
>     sonic-net#5 0x7fb25ba29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
>
> SUMMARY: AddressSanitizer: heap-use-after-free zebra/zebra_dplane.c:3394 in ctx_info_from_zns

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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