Following test regressions reported after upgrade to clang-12 from clang-10. Regression detected on Linux mainline and stable-rc 5.4, 5.10 and 5.11.
qemu-x86_64-clang-12 failed test cases, ltp-containers-tests: * netns_breakns_ip_ipv4_ioctl * netns_breakns_ip_ipv4_netlink * netns_breakns_ip_ipv6_ioctl * netns_breakns_ip_ipv6_netlink * netns_breakns_ns_exec_ipv4_ioctl * netns_breakns_ns_exec_ipv4_netlink * netns_breakns_ns_exec_ipv6_ioctl * netns_breakns_ns_exec_ipv6_netlink * netns_comm_ip_ipv4_ioctl * netns_comm_ip_ipv4_netlink * netns_comm_ip_ipv6_ioctl * netns_comm_ip_ipv6_netlink * netns_comm_ns_exec_ipv4_ioctl * netns_comm_ns_exec_ipv4_netlink * netns_comm_ns_exec_ipv6_ioctl * netns_comm_ns_exec_ipv6_netlink * netns_netlink Test error log: -------------- [ 19.017163] tun: Unknown symbol _GLOBAL_OFFSET_TABLE_ (err -2) open: No such device netns_netlink 1 TBROK : netns_netlink.c:143: system() failed netns_netlink 2 TBROK : netns_netlink.c:143: Remaining cases broken netns_breakns 1 TINFO: timeout per run is 0h 15m 0s [ 19.070922] veth: Unknown symbol _GLOBAL_OFFSET_TABLE_ (err -2) [ 19.095171] veth: Unknown symbol _GLOBAL_OFFSET_TABLE_ (err -2) Error: Unknown device type.[ 19.101364] ip (751) used greatest stack depth: 12088 bytes left netns_breakns 1 TBROK: unable to create veth pair devices Cannot find device \"veth0\" Reported-by: Naresh Kamboju <naresh.kamb...@linaro.org> Full test error log link, ------------------------- https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.11.y/build/v5.11-13-g6380656c9227/testrun/4002283/suite/ltp-containers-tests/test/netns_breakns_ip_ipv4_ioctl/log https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.11-2899-g2c405d1ab8b3/testrun/3994442/suite/ltp-containers-tests/test/netns_breakns_ip_ipv4_ioctl/log -- Linaro LKFT https://lkft.linaro.org