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Crash in zpoline tests #577

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@tavip

https://github.com/lkl/linux/actions/runs/13586011030/job/37981044892?pr=576

 TEST       not ok   test_tap_multi_if_ping 
+ LKL_HIJACK_CONFIG_FILE=/tmp/tmp.x5sf3KC1C0/hijack-test.conf /home/runner/work/linux/linux/tools/lkl/bin/lkl-hijack.sh /tmp/tmp.x5sf3KC1C0/ping -c 1 192.168.113.1
PING 192.168.113.1 (192.168.113.1) 56(84) bytes of data.
/tmp/tmp.x5sf3KC1C0/ping: Warning: time of day goes back (-1740737501798621us), taking countermeasures
64 bytes from 192.168.113.1: icmp_seq=1 ttl=64 time=0.223 ms
--- 192.168.113.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.223/0.223/0.223/0.000 ms
+ LKL_HIJACK_CONFIG_FILE=/tmp/tmp.x5sf3KC1C0/hijack-test.conf /home/runner/work/linux/linux/tools/lkl/bin/lkl-hijack.sh /tmp/tmp.x5sf3KC1C0/ping6 -c 1 fc03::1
PING fc03::1(fc03::1) 56 data bytes
/tmp/tmp.x5sf3KC1C0/ping6: Warning: time of day goes back (-1740737501798666us), taking countermeasures
64 bytes from fc03::1: icmp_seq=1 ttl=64 time=0.241 ms
--- fc03::1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.241/0.241/0.241/0.000 ms
+ LKL_HIJACK_CONFIG_FILE=/tmp/tmp.x5sf3KC1C0/hijack-test.conf /home/runner/work/linux/linux/tools/lkl/bin/lkl-hijack.sh /tmp/tmp.x5sf3KC1C0/ping -c 1 192.168.114.1
PING 192.168.114.1 (192.168.114.1) 56(84) bytes of data.
/tmp/tmp.x5sf3KC1C0/ping: Warning: time of day goes back (-1740737501798713us), taking countermeasures
64 bytes from 192.168.114.1: icmp_seq=1 ttl=64 time=0.166 ms
--- 192.168.114.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.166/0.166/0.166/0.000 ms
+ LKL_HIJACK_CONFIG_FILE=/tmp/tmp.x5sf3KC1C0/hijack-test.conf /home/runner/work/linux/linux/tools/lkl/bin/lkl-hijack.sh /tmp/tmp.x5sf3KC1C0/ping6 -c 1 fc04::1
libgcc_s.so.1 must be installed for pthread_exit to work
/home/runner/work/linux/linux/tools/lkl/bin/lkl-hijack.sh: line 31: 46206 Aborted                 (core dumped) LD_PRELOAD=libzpoline.so LIBZPHOOK=liblkl-zpoline.so $*

Not 100% reproducible, but it does reproduce consistently lately.

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