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af3238a3-6731-4310-36d3-08de84bff01b X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5832.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2026 07:28:23.7072 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: j0FSx026ur7CAxtBV2/0f/MiXKjCBb7v8HkrdnIol/fhSk/yHvoWkH2XFV0xcuExlc7MUv/VBBVm7W4Hvtw62Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB7794 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "kernel-selftests-bpf.net.tun.fail" on: commit: 400e658aa096cda99b37ce806ed63cfe894c9566 ("selftest: tun: Add test for sending gso packet into tun") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 80234b5ab240f52fa45d201e899e207b9265ef91] [test failed on linux-next/master f90aadf1c67c8b4969d1e5e6d4fd7227adb6e4d7] in testcase: kernel-selftests-bpf version: with following parameters: group: net config: x86_64-rhel-9.4-bpf compiler: gcc-14 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) 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/202603181411.24db1a78-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 /bin/sh: 50: cannot create : Directory nonexistent # timeout set to 3600 # selftests: net: altnames.sh # TEST: altnames test [ OK ] ok 20 selftests: net: altnames.sh # timeout set to 3600 # selftests: net: amt.sh # exec of "smcrouted" failed: No such file or directory ok 21 selftests: net: amt.sh # SKIP # timeout set to 3600 below [1] is from parent commit as a comparison. The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260318/202603181411.24db1a78-lkp@intel.com [1] from parent commit: # 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.4in4udptnl.basic ... # # OK tun_vnet_udptnl.4in4udptnl.basic # ok 6 tun_vnet_udptnl.4in4udptnl.basic # # RUN tun_vnet_udptnl.6in4udptnl.basic ... # # OK tun_vnet_udptnl.6in4udptnl.basic # ok 7 tun_vnet_udptnl.6in4udptnl.basic # # RUN tun_vnet_udptnl.4in6udptnl.basic ... # # OK tun_vnet_udptnl.4in6udptnl.basic # ok 8 tun_vnet_udptnl.4in6udptnl.basic # # RUN tun_vnet_udptnl.6in6udptnl.basic ... # # OK tun_vnet_udptnl.6in6udptnl.basic # ok 9 tun_vnet_udptnl.6in6udptnl.basic # # PASSED: 9 / 9 tests passed. # # Totals: pass:9 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 19 selftests: net: tun -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki