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unknown user pushed a change to branch release/2.31/master in repository glibc.

from 183709983d NEWS: Add a bug fix entry for BZ #28896 new 2d7720f316 support: Add create_temp_file_in_dir new 29d3aeb0e8 Add xchdir to libsupport. new 43757c70ee support: Add xclone new f733e291bb support: Fix xclone build failures on ia64 and hppa new 3319cea99e support: Add helpers to create paths longer than PATH_MAX new 4ad1659d8c getcwd: Set errno to ERANGE for size == 1 (CVE-2021-3999) new 0a167374fd Linux: Detect user namespace support in io/tst-getcwd-smallbuff

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Summary of changes: NEWS | 7 + support/Makefile | 2 + support/support.h | 1 + support/temp_file.c | 173 +++++++++++++++-- support/temp_file.h | 16 ++ support/{xunlink.c => xchdir.c} | 11 +- support/xclone.c | 49 +++++ sysdeps/x86_64/strlen.S => support/xsched.h | 19 +- support/xunistd.h | 1 + sysdeps/posix/getcwd.c | 8 + sysdeps/unix/sysv/linux/Makefile | 2 +- sysdeps/unix/sysv/linux/tst-getcwd-smallbuff.c | 259 +++++++++++++++++++++++++ 12 files changed, 525 insertions(+), 23 deletions(-) copy support/{xunlink.c => xchdir.c} (80%) create mode 100644 support/xclone.c copy sysdeps/x86_64/strlen.S => support/xsched.h (73%) create mode 100644 sysdeps/unix/sysv/linux/tst-getcwd-smallbuff.c