Hello,
kernel test robot noticed
"kernel-selftests.sgx.test_sgx.enclave.tcs_entry.fail" on:
commit: c407010c166bcf30f9400bf0a4a4ec81c0149b81 ("[PATCH] x86/sgx: Replace
kmalloc() + copy_from_user() with memdup_user()")
url:
https://github.com/intel-lab-lkp/linux/commits/Thorsten-Blum/x86-sgx-Replace-kmalloc-copy_from_user-with-memdup_user/20250909-041627
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git
ed16618c380c32c68c06186d0ccbb0d5e0586e59
patch link:
https://lore.kernel.org/all/20250908201229.440105-2-thorsten.b...@linux.dev/
patch subject: [PATCH] x86/sgx: Replace kmalloc() + copy_from_user() with
memdup_user()
in testcase: kernel-selftests
version: kernel-selftests-x86_64-79e8447ec662-1_20250914
with following parameters:
group: sgx
config: x86_64-rhel-9.4-kselftests
compiler: gcc-14
test machine: 16 threads 1 sockets Intel(R) Xeon(R) E-2278G CPU @ 3.40GHz
(Coffee Lake-E) 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 <oliver.s...@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202509211747.1edb60f-...@intel.com
besides, we also observed below tests failed on this commit while passing
without this patch.
=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/group:
lkp-cfl-e1/kernel-selftests/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-kselftests/gcc-14/sgx
ed16618c380c32c6 c407010c166bcf30f9400bf0a4a
---------------- ---------------------------
fail:runs %reproduction fail:runs
| | |
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.clobbered_vdso.fail
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.clobbered_vdso_and_user_function.fail
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.pte_permissions.fail
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.tcs_entry.fail
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.unclobbered_vdso.fail
:6 100% 6:6
kernel-selftests.sgx.test_sgx.enclave.unclobbered_vdso_oversubscribed.fail
:6 100% 6:6 kernel-selftests.sgx.test_sgx.fail
# # RUN enclave.tcs_entry ...
# SGX_IOC_ENCLAVE_CREATE failed: Input/output error
# # main.c:231:tcs_entry:0x0000000000000000 0x0000000000002000 0x03
# # main.c:231:tcs_entry:0x0000000000002000 0x0000000000002000 0x05
# # main.c:231:tcs_entry:0x0000000000004000 0x0000000000007000 0x03
# # main.c:231:tcs_entry:0x000000000000b000 0x0000000000001000 0x03
# # main.c:246:tcs_entry:Failed to initialize the test enclave.
# # main.c:578:tcs_entry:Expected 0 (0) !=
setup_test_encl(ENCL_HEAP_SIZE_DEFAULT, &self->encl, _metadata) (0)
# # tcs_entry: Test terminated by assertion
# # FAIL enclave.tcs_entry
# not ok 6 enclave.tcs_entry
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250921/202509211747.1edb60f-...@intel.com
--
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https://github.com/intel/lkp-tests/wiki
