Another OTBR with OTBR_MDNS=openthread crash #12088
Description
OTBR compiled with OTBR_MDNS=openthread occasionally crashes.
The logs will show:
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.889 [C] Platform------: ------------------ BEGINNING OF CRASH -------------
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.890 [C] Platform------: *** FATAL ERROR: Caught signal: 6 (Aborted)
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 0: /usr/sbin/otbr-agent(+0x6ad4b4) [0x5579bcd4b4]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 1: /usr/sbin/otbr-agent(+0x6ad5f4) [0x5579bcd5f4]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 2: linux-vdso.so.1 __kernel_rt_sigreturn+0x0 [0xbd58c820]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 3: /lib/aarch64-linux-gnu/libc.so.6(+0x83c18) [0x7fbd033c18]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 4: /lib/aarch64-linux-gnu/libc.so.6 gsignal+0x1c [0xbcfea8ac]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 5: /lib/aarch64-linux-gnu/libc.so.6 abort+0xf4 [0xbcfd7480]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 6: /lib/aarch64-linux-gnu/libc.so.6(+0x342d8) [0x7fbcfe42d8]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 7: /lib/aarch64-linux-gnu/libc.so.6(+0x3433c) [0x7fbcfe433c]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.927 [C] Platform------: # 8: /usr/sbin/otbr-agent ot::Dns::Multicast::Core::TxMessage::Send()+0x158 [0x79b136c4]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: # 9: /usr/sbin/otbr-agent ot::Dns::Multicast::Core::TxMessage::CheckSizeLimitToPrepareAgain(bool&)+0x5c [0x79b13558]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #10: /usr/sbin/otbr-agent ot::Dns::Multicast::Core::ServiceEntry::PrepareResponse(ot::Dns::Multicast::Core::EntryContext&)+0x44 [0x79b10ca8]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #11: /usr/sbin/otbr-agent void ot::Dns::Multicast::Core::Entry::HandleTimer<ot::Dns::Multicast::Core::ServiceEntry>(ot::Dns::Multicast::Core::EntryContext&)+0x128 [0x79b2124c]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #12: /usr/sbin/otbr-agent ot::Dns::Multicast::Core::ServiceEntry::HandleTimer(ot::Dns::Multicast::Core::EntryContext&)+0x1c [0x79b10a2c]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #13: /usr/sbin/otbr-agent ot::Dns::Multicast::Core::HandleEntryTimer()+0x218 [0x79b0b6f4]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #14: /usr/sbin/otbr-agent ot::TimerMilliIn<ot::Dns::Multicast::Core, &ot::Dns::Multicast::Core::HandleEntryTimer>::HandleTimer(ot::Timer&)+0x18 [0x79b24ee0]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #15: /usr/sbin/otbr-agent ot::Timer::Fired()+0x1c [0x79abed9c]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #16: /usr/sbin/otbr-agent ot::Timer::Scheduler::ProcessTimers(ot::Timer::Scheduler::AlarmApi const&)+0x74 [0x79abec10]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #17: /usr/sbin/otbr-agent ot::TimerMilli::Scheduler::ProcessTimers()+0x20 [0x79abee5c]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #18: /usr/sbin/otbr-agent otPlatAlarmMilliFired+0x30 [0x79abecb8]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #19: /usr/sbin/otbr-agent platformAlarmProcess+0x90 [0x79bb4654]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #20: /usr/sbin/otbr-agent otSysMainloopProcess+0x48 [0x79bc9bb0]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #21: /usr/sbin/otbr-agent otbr::Host::RcpHost::Process(otbr::MainloopContext const&)+0x2c [0x79bee748]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #22: /usr/sbin/otbr-agent otbr::MainloopManager::Process(otbr::MainloopContext const&)+0x68 [0x79c04258]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #23: /usr/sbin/otbr-agent otbr::Application::Run()+0x1d0 [0x799717f4]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #24: /usr/sbin/otbr-agent(+0x4b41e8) [0x55799d41e8]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #25: /usr/sbin/otbr-agent otbr::RealMain(int, char**)+0x88 [0x799d4430]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #26: /usr/sbin/otbr-agent main+0x1c [0x799d37f8]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #27: /lib/aarch64-linux-gnu/libc.so.6(+0x27744) [0x7fbcfd7744]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #28: /lib/aarch64-linux-gnu/libc.so.6 __libc_start_main+0x98 [0xbcfd7818]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: #29: /usr/sbin/otbr-agent _start+0x30 [0x79971070]
Okt 31 07:50:50 rpi-otbr-1 otbr-agent[3626]: 1d.19:02:31.928 [C] Platform------: ------------------ END OF CRASH ------------------
OTBR_OPTIONS:
-DOT_CHANNEL_MANAGER=ON \
-DOT_CHANNEL_MONITOR=ON \
-DOT_LINK_METRICS_MANAGER=ON \
-DOTBR_MDNS=openthread \
-DOTBR_BORDER_ROUTING=ON \
-DOTBR_BACKBONE_ROUTER=ON \
-DOTBR_DUA_ROUTING=ON \
-DOTBR_NAT64=ON \
-DOTBR_TREL=ON \
-DOTBR_SRP_ADVERTISING_PROXY=OFF \
-DOTBR_DNSSD_DISCOVERY_PROXY=OFF
It should not crash.
IEEE 802.15.4 hardware platform: EFR32MG21
Git hash for OTBR is ca4ba9ae63e963f62277a2d847c9e3a5dee5ab20
Network topology:
- ca 125 thread devices (bulbs, sensors)
- OTBR built see above
- 5 NestHub TBRs (fuchsia F28 release)
- Home Assistant Matter Controller
- flat topology (no VLANs, no ISP assigned IPv6 network)
d12:61ed:4221:cf91::/64 dev eth0 proto kernel metric 256 expires 1777sec pref medium
fd1f:d3e7:24c4:1::/64 dev wpan0 proto kernel metric 256 pref medium
fd1f:d3e7:24c4:1::/64 via fe80::5bc2:a8ca:b525:ff02 dev eth0 proto ra metric 1024 expires 1776sec pref medium
fd1f:d3e7:24c4:1::/64 via fe80::1095:13e3:86cd:1f dev eth0 proto ra metric 1024 expires 1776sec pref medium
fd1f:d3e7:24c4:1::/64 via fe80::5c3:3975:10fb:b9be dev eth0 proto ra metric 1024 expires 1775sec pref medium
fd1f:d3e7:24c4:1::/64 via fe80::a745:3993:c3ca:d27 dev eth0 proto ra metric 1024 expires 1674sec pref medium
fd1f:d3e7:24c4:1::/64 via fe80::a756:a4fd:1248:2f88 dev eth0 proto ra metric 1024 expires 1777sec pref medium
fd1f:d3e7:24c4:2::/96 dev wpan0 metric 65535 pref medium
fd98:cca9:249e::/64 dev wpan0 proto kernel metric 256 pref medium
fc00::/7 dev wpan0 metric 65535 pref medium
fe80::/64 dev eth0 proto kernel metric 256 pref medium
fe80::/64 dev wpan0 proto kernel metric 256 pref medium