On Mon, Jun 25, 2018 at 1:41 AM Li Zhijian <zhijianx.li@xxxxxxxxx> wrote: > > Hi > > Intel 0Day noticed that test_syscall_vdso_32 failed since 8bb2610bc4967f19672444a7b0407367f1540028(x86/entry/64/compat: Preserve r8-r11 in int $0x80) > > 2018-06-25 14:23:00 make run_tests -C x86 > make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-8bb2610bc4967f19672444a7b0407367f1540028/tools/testing/selftests/x86' > gcc -m32 -o /usr/src/linux-selftests-x86_64-rhel-7.2-8bb2610bc4967f19672444a7b0407367f1540028/tools/testing/selftests/x86/test_syscall_vdso_32 -O2 -g -std=gnu99 -pthread -Wall -no-pie -DCAN_BUILD_32 -DCAN_BUILD_64 test_syscall_vdso.c thunks_32.S -lrt -ldl -lm > TAP version 13 > selftests: test_syscall_vdso_32 > ======================================== > [RUN] Executing 6-argument 32-bit syscall via VDSO > [WARN] Flags before=0000000000200ed7 id 0 00 o d i s z 0 a 0 p 1 c > [WARN] Flags after=0000000000200606 id 0 00 d i 0 0 p 1 > [WARN] Flags change=00000000000008d1 0 00 o s z 0 a 0 0 c > [OK] Arguments are preserved across syscall > [NOTE] R11 has changed:0000000000200606 - assuming clobbered by SYSRET insn > [OK] R8..R15 did not leak kernel data > [RUN] Executing 6-argument 32-bit syscall via INT 80 > [OK] Arguments are preserved across syscall > [FAIL] R8 has changed:0000000000000000 > [FAIL] R9 has changed:0000000000000000 > [FAIL] R10 has changed:0000000000000000 > [FAIL] R11 has changed:0000000000000000 > [RUN] Executing 6-argument 32-bit syscall via VDSO > [WARN] Flags before=0000000000200ed7 id 0 00 o d i s z 0 a 0 p 1 c > [WARN] Flags after=0000000000200606 id 0 00 d i 0 0 p 1 > [WARN] Flags change=00000000000008d1 0 00 o s z 0 a 0 0 c > [OK] Arguments are preserved across syscall > [NOTE] R11 has changed:0000000000200606 - assuming clobbered by SYSRET insn > [OK] R8..R15 did not leak kernel data > [RUN] Executing 6-argument 32-bit syscall via INT 80 > [OK] Arguments are preserved across syscall > [FAIL] R8 has changed:0000000000000000 > [FAIL] R9 has changed:0000000000000000 > [FAIL] R10 has changed:0000000000000000 > [FAIL] R11 has changed:0000000000000000 > [RUN] Running tests under ptrace > not ok 1..1 selftests: test_syscall_vdso_32 [FAIL] > make: Leaving directory '/usr/src/linux-selftests-x86_64-rhel-7.2-8bb2610bc4967f19672444a7b0407367f1540028/tools/testing/selftests/x86' > > This commit changed the testcase expected behavior, but looks it doesn't work as expected. > so want to consult whether 0Day missed something(special configurations) to this case ? > > if more details are needed, please let me know. Can you double-check that you're running the tests on an updated kernel? The error you're getting makes it look like you've applied the patch to selftests but not to the kernel. -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
