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2017-01-14build: update gnulib submodule to latestPaul Eggert
2017-01-10doc: move "File timestamps" to a separate chapterBernhard Voelker
The above new section looked a bit odd as the only general documentation in between the utility chapters. * doc/coreutils.texi (File timestamps): Move to a separate chapter.
2017-01-10maint: fix recent syntax check failuresEric Blake
Commit 4f650aad was incomplete; it changed NEWS but not the hash, and introduced a grammar error. * cfg.mk (old_NEWS_hash): Update via 'make update-NEWS-hash'. * doc/coreutils.texi (File timestamps): Fix doubled word.
2017-01-09doc: cover file timestamps betterPaul Eggert
Prompted by a bug report from Scott Deerwester (Bug#25407). * doc/coreutils.texi (File timestamps): New section. Revamp other sections to use this new section, and use more-consistent terminology.
2017-01-09maint: standardize on "timestamp" as per POSIXPaul Eggert
2017-01-09stty: ensure no side effects from invalid optionsPádraig Brady
* src/stty.c (apply_settings): A new function refactored from main() that is used to both check and apply options. (main): Call apply_settings before we open the device, so all validation is done before interacting with a device. * NEWS: Mention the improvement. * tests/misc/stty.sh: Add a test case.
2017-01-05tests: improve 'date --debug' testsAssaf Gordon
Update tests following improvements to gnulib's parse-datetime.y module. See https://lists.gnu.org/archive/html/bug-gnulib/2017-01/msg00002.html * tests/misc/date-debug.sh: Add tests for each of the gnulib changes.
2017-01-05build: update gnulib submodule to latestAssaf Gordon
2017-01-01maint: update all copyright year number rangesPádraig Brady
Run "make update-copyright" and then... * gnulib: Update to latest with copyright year adjusted. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * tests/sample-test: Adjust to use the single most recent year.
2016-12-28doc: recommend b2sum as well as SHA2Zooko
b2sum is faster, easier to use safely, and more future-proof
2016-12-28tests: avoid false fails on NFS due to EPERMPádraig Brady
* tests/chgrp/basic.sh: On some NFS setups a user is not allowed to set a group on a file even if a member of that group. Therefore skip this test on remote file systems. * tests/chgrp/default-no-deref.sh: Likewise. * tests/chgrp/no-x.sh: Likewise. * tests/chgrp/posix-H.sh: Likewise. * tests/chgrp/recurse.sh: Likewise. * tests/tail-2/inotify-rotate-resources.sh: Change to skipping on remote file systems in the standard way.
2016-12-27doc: Update POSIX part of README (Bug#25259)Paul Eggert
2016-12-26wc: with only --bytes, determine size more efficientlyPádraig Brady
* src/wc.c (wc): Avoid reading the end of the file when the size is not a multiple of PAGE_SIZE, as the special case handling for files in /proc and /sys is only required when st_size is 0 or a multiple of PAGE_SIZE. * tests/misc/wc-proc.sh: Add a test case.
2016-12-20maint: correct the version for the previous bug fixPádraig Brady
While st_size would have been incorrect for subsequent files since v7.1, it was only used since v8.24. * tests/misc/wc-files0.sh: s/7.1/8.24/ * NEWS: Likewise. Reported by Bernhard Voelker
2016-12-19wc: fix wrong byte counts when using --files-from0William R. Fraser
* src/wc.c (main): Reset fstatus[0].failed between files when reusing the fstatus[0] entry in --files-from0 mode. This ensures a stat() is done for each file, avoiding incorrect counts and redundant reading. * NEWS: Mention the bug fix. * tests/misc/wc-files0.sh: Add a test case. Fixes http://bugs.gnu.org/23073
2016-12-18tests: fix typos in previous commitPádraig Brady
* init.cfg (skip_if_mcstransd_is_running_): Fix typos _introduced my me_ in the previous commit.
2016-12-18tests: support non-MLS enabled SELinux systemsNicolas Iooss
When running "make check" on a Linux system running SELinux with a non-MLS policy, tests/mkdir/restorecon.sh test fails with: chcon: invalid context: root:object_r:tmp_t:s0: Invalid argument Indeed in such a configuration, contexts cannot have ":s0" suffix. * init.cfg (get_selinux_type): Refactor this function to here from various tests. Update to work with a non-MLS policy. (mls_enabled_): A new function to detect if MLS is enabled. (skip_if_mcstransd_is_running_): Update to not skip when MLS is not enabled. * tests/mkdir/restorecon.sh: Use a valid non-MLS context when needed. * tests/install/install-Z-selinux.sh: Likewise. * tests/cp/cp-a-selinux.sh: Likewise. * tests/misc/selinux.sh: Likewise. * tests/misc/chcon.sh: Skip if non-MLS as --range used throughout. Fixes http://bugs.gnu.org/22631
2016-12-08factor: retry properly if Pollard rho gives a trivial factorizationTorbjörn Granlund
* src/factor.c (factor_using_pollard_rho): Handle trivial factor g = n. (factor_using_pollard_rho2): Handle trivial factor g1 = n1, g0 = n0. * tests/misc/factor.pl: Add a test case. Fixes http://bugs.gnu.org/25135
2016-12-08factor: fix infinite loop in gcd2_oddNiels Möller
* src/factor.c (gcd2_odd): Fix the case a1 == 0, a0 == 0. * NEWS: Mention the bug fix. Fixes http://bugs.gnu.org/25135
2016-12-02doc: fix --help for: od -t f[SIZE]Pádraig Brady
* src/od.c (usage): SIZE is that of float, not integer.
2016-11-30maint: post-release administriviaPádraig Brady
* NEWS: Add header line for next release. * .prev-version: Record previous version. * cfg.mk (old_NEWS_hash): Auto-update.
2016-11-30version 8.26Pádraig Brady
* NEWS: Record release date.
2016-11-30tests: fix false failure with spaces in $PWDPádraig Brady
* tests/misc/ptx-overrun.sh: Quote appropriately to avoid this recently added issue, noticed by `make taint-distcheck`.
2016-11-30maint: avoid "make distcheck" failure without excess .deps directoriesPádraig Brady
* Makefile.am (my-distcheck): Add the -r option to xargs so that rmdir doesn't return an error when there are no extraneous .deps dirs.
2016-11-29tests: fix ERRORs and false FAILs on some platformsPádraig Brady
* tests/misc/ls-time.sh: Skip the test rather than ERROR when `touch -m -d ...` fails (Hurd). * tests/tail-2/follow-stdin.sh: Avoid false FAILs by ignoring the variances in sterror output. * tests/rm/rm-readdir-fail.sh: Likewise. Also avoid ERRORs on systems that don't define _D_EXACT_NAMELEN.
2016-11-28head: fix processing of non-seekable input as seekablePádraig Brady
* src/head.c (elide_tail_bytes_file): Ensure we don't use st_size unless we've previously used seek() to determine the CURRENT_POS in the seekable file. This was seen to cause issue on FreeBSD 11 when the pipe buffer was filled with `yes | head --lines=-0`, in which case st_size was 64KiB while ST_BLKSIZE() was 4KiB. Reported by Assaf Gordon.
2016-11-28install,mkdir: fix handling of -DZ and -pZ, respectivelyKamil Dudka
... in the case where two or more directories nested in each other are created and each of them defaults to a different SELinux context. * src/install.c (make_ancestor): When calling defaultcon(), give it the same path that is given to mkdir(). The other path is not always valid wrt. current working directory. * src/mkdir.c (make_ancestor): Likewise. * NEWS: Mention the bug fix. Reported at https://bugzilla.redhat.com/1398913
2016-11-28tac: fix mem corruption when failing to read non seekable inputsPádraig Brady
This was detected with ASAN, but can also be seen without ASAN with: $ tac - - <&- tac: standard input: read error: Bad file descriptor *** Error in `tac': malloc(): memory corruption: 0x... * src/tac.c (copy_to_temp): Don't close our output stream on (possibly transient) output error, or on input error. (temp_stream): clearerr() on the stream about to be reused, to ensure future stream use is not impacted by transient errors. * tests/misc/tac-2-nonseekable.sh: Add a test case. * NEWS: Mention the bug fix. Fixes http://bugs.gnu.org/25041
2016-11-27tail: fix uninitialized memory read when failing to read filePádraig Brady
Reproduced under UBSAN with `tail -f <&-` giving: tail.c:2220:18: runtime error: load of value 190, which is not a valid value for type ‘_Bool' * src/tail.c (tail_file): Ensure f->ignore is initialized in all cases where we can't tail the specified file. * tests/tail-2/follow-stdin.sh: Add a test case which checks stderr has no UBSAN warnings. Fixes http://bugs.gnu.org/25041
2016-11-27doc: add NEWS entries for recent changesPádraig Brady
* NEWS: Mention in improvements about the workaround for the glibc issue with closed stdin, and the new supported file systems. * tests/misc/b2sum.sh: Spelling fix.
2016-11-27stat,tail: sync with latest Linux file systemsPádraig Brady
Update with the results from: kgit='https://git.kernel.org/cgit/linux/kernel/git' wget -q $kgit/torvalds/linux.git/plain/include/uapi/linux/magic.h \ -O src/fs-latest-magic.h make src/fs-magic-compare * src/stat.c (human_fstype): Add entries for: BALLOON_KVM, CGROUP2, DAXFS, ZSMALLOC.
2016-11-27build: fix potential factor build failure on arm and riscPádraig Brady
* src/longlong.h: Sync from gmp repo incorporating: Protect umul_ppmm with do ... while (0) Replace obsolete ARC asm 'J' constraints with 'Cal' Provide umul_ppmm for riscv64
2016-11-27shred,sort: ensure faster unaligned access to rand modulePádraig Brady
glibc has changed the public define from _STRING_ARCH_unaligned to _STRING_INLINE_unaligned as per https://sourceware.org/bugzilla/show_bug.cgi?id=19462 * gl/lib/rand-isaac.c: Cater for both defines. * gl/lib/randread.c: Likewise. * src/system.h: Update commented out code.
2016-11-26shuf: test input-closed bugPaul Eggert
Problem reported by Alex Ryan (Bug#25029). * tests/misc/shuf.sh: Test for shuffling with stdin closed.
2016-11-26build: update gnulib submodule to latestPaul Eggert
2016-11-25numfmt: pacify Sun C 5.14Paul Eggert
* src/numfmt.c (main): Don't implicitly coerce pointer in bool initializer. Although it's portable C99 code, it's confusing.
2016-11-25tests: fix false failure on new ls testPádraig Brady
* tests/ls/quote-align.sh: Remove "total" line which can vary per file system depending on allocation. Reported by Assaf Gordon on OpenSolaris (5.11/5.10).
2016-11-25pr: fix read from invalid memory with tabs in separatorPádraig Brady
This was detected with: echo a > a; pr "-S$(printf "\t\t\t")" a -m a > /dev/null Resulting in ASAN triggering: ==================================================== ERROR: AddressSanitizer: global-buffer-overflow READ of size 1 at 0x00000041b622 thread T0 #0 0x40506a in print_sep_string ../src/pr.c:2241 #1 0x407ec4 in read_line ../src/pr.c:2493 #2 0x40985c in print_page ../src/pr.c:1802 #3 0x40985c in print_files ../src/pr.c:1618 #4 0x4036e0 in main ../src/pr.c:1136 * src/pr.c (init_parameters): Ensure we only override the specified separator when it's a single tab, thus matching the calculated separator length. * tests/pr/pr-tests.pl: Add a test case. * NEWS: Mention the fix.
2016-11-24ptx: fix an invalid heap reference with short --widthPádraig Brady
* src/ptx.c (fix_output_parameters): Ensure line_width doesn't go negative, which can happen when the --width is less than the --gap-size. * tests/misc/ptx-overrun.sh: Add a test case that triggers with ASAN. (Note the longer filename is needed to trigger). Fixes http://bugs.gnu.org/25011
2016-11-24doc: clarify that readlink's --quiet option is on by defaultBernhard Voelker
* src/readlink.c (usage): Mark the --quiet/--silent option as active by default. * doc/coreutils.texi (readlink invocation): Likewise.
2016-11-24tests: fix false failure with ASAN in rm-readdir-failPádraig Brady
* tests/rm/rm-readdir-fail.sh: ASAN correctly indicated that fts was writing to freed memory. This was because we reused a single dirent in our readdir() test wrapper. Since fts was deallocating those dirents, we now get a new dirent for each call to our readdir wrapper.
2016-11-24split: fix memory corruption during chunk extractionPádraig Brady
ASAN reported this error for: split -n2/3 /dev/null ERROR: AddressSanitizer: negative-size-param: (size=-1) #0 0x7f0d4c36951d in __asan_memmove (/lib64/libasan.so.2+0x8d51d) #1 0x404e06 in memmove /usr/include/bits/string3.h:59 #2 0x404e06 in bytes_chunk_extract src/split.c:988 #3 0x404e06 in main src/split.c:1626 Specifically there would be invalid memory access and subsequent processing if the chunk to be extracted was beyond the initial amount read from file (which is currently capped at 128KiB). This issue is not in a released version, only being introduced in commit v8.25-4-g62e7af0 * src/split.c (bytes_chunk_extract): The initial_read != SIZE_MAX should have been combined with && rather than ||, but also this condition is always true in this function so remove entirely. * tests/split/b-chunk.sh: Add a test case. Fixes http://bugs.gnu.org/25003
2016-11-24tail: fix checking of remoteness when not using inotifyPádraig Brady
In recent commit v8.25-93-g7fc7206 we used the f->remote flag which wasn't set in all cases. This was detected with ASAN giving this error when reading f->remote; runtime error: load of value 190, which is not a valid value for type '_Bool' * src/tail.c (fremote): Query the system even without inotify. (recheck): Always set f->fremote for valid files.
2016-11-23build: avoid racy failure of "make -jN install"Jim Meyering
Installing with -j2 or greater could result in a failure like /bin/sh: line 29: /P/bin/install: Permission denied when /P/bin/install specifies your PATH-selected install program. This would arise because we're using "install" to install all man/*.1 files, and that command would run concurrently with the one that installs "/P/bin/install" itself. We would run this command: "src/ginstall src/ginstall /P/bin/install", and it would result in intervals during which the destination file does not exist, is empty or incomplete and not executable. We addressed this problem long ago for installation of actual binaries by telling the installation rules to use our just-built bin/ginstall (only when not cross-compiling) rather than the PATH-resolved "install" program. This change is to do the same for those .1 files. * src/local.mk (INSTALL): Override automake's default of something like "INSTALL = /P/bin/install -c". (INSTALL_PROGRAM): Now that we set INSTALL, there is no longer any need to set this derived variable. Its default definition, "INSTALL_PROGRAM = ${INSTALL}" does what we require. Improved by Eric Blake.
2016-11-23maint: fix 'syntax-check' targets for VPATH buildsBernhard Voelker
* cfg.mk (sc_gitignore_missing): Add $(srcdir) to .gitignore filename. (sc_gitignore_redundant): Likewise.
2016-11-23maint: add build-aux/ar-lib to .gitignoreBernhard Voelker
* .gitignore: Add entry for the above file which is created by './bootstrap'.
2016-11-23pr: fix integer overflow in buffer size calcsPaul Eggert
Problem reported by Marcel Böhme (Bug#24996). * configure.ac (WERROR_CFLAGS): Avoid -Wtype-limits. * src/pr.c (col_sep_string): Now a const pointer. All uses changed. (integer_overflow): New function. (separator_string, main, init_parameters, init_store_cols): Check for integer overflow. (align_column, read_line, print_stored): Avoid integer overflow.
2016-11-22comm: add --total optionBernhard Voelker
* src/comm.c (total_option): Add bool variable for the new option. (TOTAL_OPTION): Add enum value. (long_options): Add array element for the new option. (usage): Document the new option here. (compare_files): Count the lines in total[3], and output the summary at the end. (main): Accept the new option. * doc/coreutils.texi (comm invocation): Document it. * tests/misc/comm.pl: Test it. While at it, improve the test data to have 1 unique line in the first file, 2 unique lines in the second file, and 3 common lines. * NEWS (New Features): Mention the new option. Fixes http://bugs.gnu.org/24929
2016-11-22all: update gnulib submodule to latestPádraig Brady
Also sync these copies with gnulib: * bootstrap: Sync missed part of AIX support. * tests/init.sh: Support compare_ on AIX.
2016-11-22tests: fix false failure with FreeBSD 11 multibyte quotingPádraig Brady
* tests/misc/printf-quote.sh: FreeBSD 11 was seen to treat \u0378 as a printable character. Therefore change to using the \u0081 C1 control character. We use the UTF-8 representation because our printf implementation explicitly disallows \u0081 as input. Reported by Assaf Gordon
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