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[Jürg Häfliger <1926142@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1926142

Title:
  memfd from ubuntu_kernel_selftests failed to build on B-5.4 (error:
  ‘F_SEAL_FUTURE_WRITE’ undeclared)

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Invalid
Status in linux-hwe package in Ubuntu:
  Invalid
Status in linux-hwe-5.4 package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Invalid
Status in linux-hwe source package in Bionic:
  Invalid
Status in linux-hwe-5.4 source package in Bionic:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux-hwe source package in Focal:
  Invalid
Status in linux-hwe-5.4 source package in Focal:
  Invalid

Bug description:
  Test build on B-5.4 (5.4.0-73.82~18.04.1) failed with:
    error: ‘F_SEAL_FUTURE_WRITE’ undeclared

  Build log:
  $ sudo make TARGETS=memfd
  make --no-builtin-rules ARCH=x86 -C ../../.. headers_install
  make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
    INSTALL ./usr/include
  make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
  make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd'
  gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/    memfd_test.c common.o  -o /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd/memfd_test
  memfd_test.c: In function ‘test_seal_future_write’:
  memfd_test.c:749:27: error: ‘F_SEAL_FUTURE_WRITE’ undeclared (first use in this function); did you mean ‘F_SEAL_WRITE’?
    mfd_assert_add_seals(fd, F_SEAL_FUTURE_WRITE);
                             ^~~~~~~~~~~~~~~~~~~
                             F_SEAL_WRITE
  memfd_test.c:749:27: note: each undeclared identifier is reported only once for each function it appears in
  ../lib.mk:141: recipe for target '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd/memfd_test' failed
  make[1]: *** [/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd/memfd_test] Error 1
  make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd'
  Makefile:143: recipe for target 'all' failed
  make: *** [all] Error 2

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