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Justin M. Keyes 66f5e5c7d7 test/old: TODO: skip Test_BufLeave_Wipe()
This test exposes a bug (present on current master).

Steps to reproduce:

  CC=clang make CMAKE_BUILD_TYPE=Debug CMAKE_EXTRA_FLAGS="-DCLANG_ASAN_UBSAN=ON"
  export ASAN_SYMBOLIZER_PATH=/usr/lib/llvm-5.0/bin/llvm-symbolizer
  TEST_FILE=test_autocmd.res make oldtest

==3668==ERROR: AddressSanitizer: heap-use-after-free on address 0x6260001411c8 at pc 0x000000a38a47 bp 0x7fff9982ee50 sp 0x7fff9982ee48
READ of size 4 at 0x6260001411c8 thread T0
    0 0xa38a46 in _typval_encode_nothing_convert_one_value /home/vagrant/neovim/build/../src/nvim/eval/typval_encode.c.h:320:15
    1 0xa340d5 in encode_vim_to_nothing /home/vagrant/neovim/build/../src/nvim/eval/typval_encode.c.h:830:9
    2 0xa0ad63 in tv_clear /home/vagrant/neovim/build/../src/nvim/eval/typval.c:2189:25
    3 0x85d584 in vars_clear_ext /home/vagrant/neovim/build/../src/nvim/eval.c:18894:9
    4 0x7efac9 in vars_clear /home/vagrant/neovim/build/../src/nvim/eval.c:18871:3
    5 0x7ef471 in eval_clear /home/vagrant/neovim/build/../src/nvim/eval.c:638:3
    6 0xf80a7c in free_all_mem /home/vagrant/neovim/build/../src/nvim/memory.c:676:3
    7 0x12789dc in mch_exit /home/vagrant/neovim/build/../src/nvim/os_unix.c:152:3
    8 0xe85039 in getout /home/vagrant/neovim/build/../src/nvim/main.c:671:3
    9 0xbb4496 in ex_quit_all /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:6051:5
    10 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    11 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    12 0x845302 in call_user_func /home/vagrant/neovim/build/../src/nvim/eval.c:21332:3
    13 0x81097b in call_func /home/vagrant/neovim/build/../src/nvim/eval.c:6358:11
    14 0x825778 in get_func_tv /home/vagrant/neovim/build/../src/nvim/eval.c:6120:11
    15 0x81e361 in ex_call /home/vagrant/neovim/build/../src/nvim/eval.c:2735:9
    16 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    17 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    18 0xb17fdd in do_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2973:3
    19 0xb14630 in cmd_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2718:14
    20 0xb14727 in ex_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2699:3
    21 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    22 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    23 0xb34015 in do_cmdline_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:280:10
    24 0xe829d3 in exe_commands /home/vagrant/neovim/build/../src/nvim/main.c:1702:5
    25 0xe708bd in main /home/vagrant/neovim/build/../src/nvim/main.c:524:5
    26 0x7f0cd5b7e82f in __libc_start_main /build/glibc-Cl5G7W/glibc-2.23/csu/../csu/libc-start.c:291
    27 0x44d628 in _start (/home/vagrant/neovim/build/bin/nvim+0x44d628)

0x6260001411c8 is located 200 bytes inside of 10256-byte region [0x626000141100,0x626000143910)
freed by thread T0 here:
    0 0x50df60 in __interceptor_cfree.localalias.0 (/home/vagrant/neovim/build/bin/nvim+0x50df60)
    1 0xf7dbe4 in xfree /home/vagrant/neovim/build/../src/nvim/memory.c:133:3
    2 0x676577 in free_buffer /home/vagrant/neovim/build/../src/nvim/buffer.c:749:5
    3 0x66e15b in close_buffer /home/vagrant/neovim/build/../src/nvim/buffer.c:590:5
    4 0x67a835 in do_buffer /home/vagrant/neovim/build/../src/nvim/buffer.c:1216:9
    5 0x681a1d in do_bufdel /home/vagrant/neovim/build/../src/nvim/buffer.c:945:16
    6 0xb9cd72 in ex_bunload /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:4585:17
    7 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    8 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    9 0x845302 in call_user_func /home/vagrant/neovim/build/../src/nvim/eval.c:21332:3
    10 0x81097b in call_func /home/vagrant/neovim/build/../src/nvim/eval.c:6358:11
    11 0x825778 in get_func_tv /home/vagrant/neovim/build/../src/nvim/eval.c:6120:11
    12 0x81e361 in ex_call /home/vagrant/neovim/build/../src/nvim/eval.c:2735:9
    13 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    14 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    15 0x8646b1 in ex_execute /home/vagrant/neovim/build/../src/nvim/eval.c:19478:7
    16 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    17 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    18 0x845302 in call_user_func /home/vagrant/neovim/build/../src/nvim/eval.c:21332:3
    19 0x81097b in call_func /home/vagrant/neovim/build/../src/nvim/eval.c:6358:11
    20 0x825778 in get_func_tv /home/vagrant/neovim/build/../src/nvim/eval.c:6120:11
    21 0x81e361 in ex_call /home/vagrant/neovim/build/../src/nvim/eval.c:2735:9
    22 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    23 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    24 0xb17fdd in do_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2973:3
    25 0xb14630 in cmd_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2718:14
    26 0xb14727 in ex_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2699:3
    27 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    28 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    29 0xb34015 in do_cmdline_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:280:10

previously allocated by thread T0 here:
    0 0x50e340 in calloc (/home/vagrant/neovim/build/bin/nvim+0x50e340)
    1 0xf7dc97 in xcalloc /home/vagrant/neovim/build/../src/nvim/memory.c:147:15
    2 0x67eb65 in buflist_new /home/vagrant/neovim/build/../src/nvim/buffer.c:1641:11
    3 0xa8fdcc in do_ecmd /home/vagrant/neovim/build/../src/nvim/ex_cmds.c:2221:13
    4 0x683b21 in empty_curbuf /home/vagrant/neovim/build/../src/nvim/buffer.c:1031:12
    5 0x67a098 in do_buffer /home/vagrant/neovim/build/../src/nvim/buffer.c:1196:14
    6 0x68173f in do_bufdel /home/vagrant/neovim/build/../src/nvim/buffer.c:927:11
    7 0xb9cd72 in ex_bunload /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:4585:17
    8 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    9 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    10 0x845302 in call_user_func /home/vagrant/neovim/build/../src/nvim/eval.c:21332:3
    11 0x81097b in call_func /home/vagrant/neovim/build/../src/nvim/eval.c:6358:11
    12 0x825778 in get_func_tv /home/vagrant/neovim/build/../src/nvim/eval.c:6120:11
    13 0x81e361 in ex_call /home/vagrant/neovim/build/../src/nvim/eval.c:2735:9
    14 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    15 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    16 0x8646b1 in ex_execute /home/vagrant/neovim/build/../src/nvim/eval.c:19478:7
    17 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    18 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    19 0x845302 in call_user_func /home/vagrant/neovim/build/../src/nvim/eval.c:21332:3
    20 0x81097b in call_func /home/vagrant/neovim/build/../src/nvim/eval.c:6358:11
    21 0x825778 in get_func_tv /home/vagrant/neovim/build/../src/nvim/eval.c:6120:11
    22 0x81e361 in ex_call /home/vagrant/neovim/build/../src/nvim/eval.c:2735:9
    23 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    24 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20
    25 0xb17fdd in do_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2973:3
    26 0xb14630 in cmd_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2718:14
    27 0xb14727 in ex_source /home/vagrant/neovim/build/../src/nvim/ex_cmds2.c:2699:3
    28 0xb4ba9c in do_one_cmd /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:2242:5
    29 0xb2dd03 in do_cmdline /home/vagrant/neovim/build/../src/nvim/ex_docmd.c:609:20

SUMMARY: AddressSanitizer: heap-use-after-free /home/vagrant/neovim/build/../src/nvim/eval/typval_encode.c.h:320:15 in _typval_encode_nothing_convert_one_va
lue
Shadow bytes around the buggy address:
  0x0c4c800201e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c4c800201f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c4c80020200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c4c80020210: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c4c80020220: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0c4c80020230: fd fd fd fd fd fd fd fd fd[fd]fd fd fd fd fd fd
  0x0c4c80020240: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4c80020250: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4c80020260: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4c80020270: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4c80020280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==3668==ABORTING
2018-02-11 19:03:27 +01:00
2018-02-11 15:27:55 +01:00
2018-01-29 23:02:15 +01:00
2017-06-29 17:46:29 -04:00
2015-11-11 19:50:33 -08:00
doc
2017-12-10 17:13:22 +01:00
2017-07-08 14:59:06 +02:00
2014-06-30 13:59:56 -04:00
doc
2017-12-10 17:13:22 +01:00

Neovim

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Neovim is a project that seeks to aggressively refactor Vim in order to:

See the wiki and Roadmap for more information.

Throughput Graph

Install from source

make CMAKE_BUILD_TYPE=RelWithDebInfo
sudo make install

To install to a non-default location, specify CMAKE_INSTALL_PREFIX:

make CMAKE_EXTRA_FLAGS="-DCMAKE_INSTALL_PREFIX=/full/path/"
make install

See the wiki for details.

Install from package

Pre-built packages for Windows, macOS, and Linux are found at the Releases page.

Managed packages are in Homebrew, Debian, Ubuntu, Fedora, Arch Linux, Gentoo, and more!

Project layout

├─ ci/              build automation
├─ cmake/           build scripts
├─ runtime/         user plugins/docs
├─ src/             application source code (see src/nvim/README.md)
│  ├─ api/          API subsystem
│  ├─ eval/         VimL subsystem
│  ├─ event/        event-loop subsystem
│  ├─ generators/   code generation (pre-compilation)
│  ├─ lib/          generic data structures
│  ├─ lua/          lua subsystem
│  ├─ msgpack_rpc/  RPC subsystem
│  ├─ os/           low-level platform code
│  └─ tui/          built-in UI
├─ third-party/     cmake subproject to build dependencies
└─ test/            tests (see test/README.md)
  • To disable third-party/ specify USE_BUNDLED_DEPS=NO or USE_BUNDLED=NO (CMake option).

Features

See :help nvim-features for the full list!

License

Neovim is licensed under the terms of the Apache 2.0 license, except for parts that were contributed under the Vim license.

  • Contributions committed before b17d96 remain under the Vim license.

  • Contributions committed after b17d96 are licensed under Apache 2.0 unless those contributions were copied from Vim (identified in the commit logs by the vim-patch token).

See LICENSE for details.

Vim is Charityware.  You can use and copy it as much as you like, but you are
encouraged to make a donation for needy children in Uganda.  Please see the
kcc section of the vim docs or visit the ICCF web site, available at these URLs:

        http://iccf-holland.org/
        http://www.vim.org/iccf/
        http://www.iccf.nl/

You can also sponsor the development of Vim.  Vim sponsors can vote for
features.  The money goes to Uganda anyway.
Description
Vim-fork focused on extensibility and usability
Readme 432 MiB
Languages
Vim Script 40.6%
Lua 31.3%
C 27.3%
CMake 0.4%
Zig 0.1%
Other 0.1%