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gcc-14 test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202604151525.8305306f-lkp@intel.com # timeout set to 3600 # selftests: net: tun # TAP version 13 # 1..9 # # Starting 9 tests from 5 test cases. # # RUN tun.delete_detach_close ... # # OK tun.delete_detach_close # ok 1 tun.delete_detach_close # # RUN tun.detach_delete_close ... # # OK tun.detach_delete_close # ok 2 tun.detach_delete_close # # RUN tun.detach_close_delete ... # # OK tun.detach_close_delete # ok 3 tun.detach_close_delete # # RUN tun.reattach_delete_close ... # # OK tun.reattach_delete_close # ok 4 tun.reattach_delete_close # # RUN tun.reattach_close_delete ... # # OK tun.reattach_close_delete # ok 5 tun.reattach_close_delete # # RUN tun_vnet_udptnl.4in4_1mss.send_gso_packet ... # # OK tun_vnet_udptnl.4in4_1mss.send_gso_packet # ok 6 tun_vnet_udptnl.4in4_1mss.send_gso_packet # # RUN tun_vnet_udptnl.6in4_1mss.send_gso_packet ... # # tun.c:679:send_gso_packet:Expected ret (0) == variant->data_size (1402) # # send_gso_packet: Test terminated by assertion # # FAIL tun_vnet_udptnl.6in4_1mss.send_gso_packet # not ok 7 tun_vnet_udptnl.6in4_1mss.send_gso_packet # # RUN tun_vnet_udptnl.4in6_1mss.send_gso_packet ... # # tun.c:679:send_gso_packet:Expected ret (0) == variant->data_size (1402) # # send_gso_packet: Test terminated by assertion # # FAIL tun_vnet_udptnl.4in6_1mss.send_gso_packet # not ok 8 tun_vnet_udptnl.4in6_1mss.send_gso_packet # # RUN tun_vnet_udptnl.6in6_1mss.send_gso_packet ... # # tun.c:679:send_gso_packet:Expected ret (0) == variant->data_size (1382) # # send_gso_packet: Test terminated by assertion # # FAIL tun_vnet_udptnl.6in6_1mss.send_gso_packet # not ok 9 tun_vnet_udptnl.6in6_1mss.send_gso_packet # # FAILED: 6 / 9 tests passed. # # Totals: pass:6 fail:3 xfail:0 xpass:0 skip:0 error:0 not ok 19 selftests: net: tun # exit=1 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260415/202604151525.8305306f-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki