diff options
author | zeertzjq <zeertzjq@outlook.com> | 2024-09-14 10:32:31 +0200 |
---|---|---|
committer | Christian Brabandt <cb@256bit.org> | 2024-09-14 10:34:53 +0200 |
commit | be4bd189d23854ddf1d85ad291d8f7ad3f22b7a0 (patch) | |
tree | a96d7982ce3ae6c7bbd66317aa8644e89de3b880 | |
parent | d657d3d8fd635dbd78402358788dc58a96d04117 (diff) |
patch 9.1.0728: [security]: heap-use-after-free in garbage collection with location list user datav9.1.0728
Problem: heap-use-after-free in garbage collection with location list
user data.
Solution: Mark user data as in use when no other window is referencing
the location list (zeertzjq)
fixes: neovim/neovim#30371
closes: #15683
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
-rw-r--r-- | src/quickfix.c | 4 | ||||
-rw-r--r-- | src/testdir/test_quickfix.vim | 12 | ||||
-rw-r--r-- | src/version.c | 2 |
3 files changed, 18 insertions, 0 deletions
diff --git a/src/quickfix.c b/src/quickfix.c index 414fe650d7..6f7d3a58b9 100644 --- a/src/quickfix.c +++ b/src/quickfix.c @@ -8011,6 +8011,10 @@ set_ref_in_quickfix(int copyID) abort = mark_quickfix_ctx(win->w_llist_ref, copyID); if (abort) return abort; + + abort = mark_quickfix_user_data(win->w_llist_ref, copyID); + if (abort) + return abort; } } diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim index 47b9b4703d..0aa82ef749 100644 --- a/src/testdir/test_quickfix.vim +++ b/src/testdir/test_quickfix.vim @@ -4208,6 +4208,18 @@ func Test_ll_window_ctx() enew | only endfunc +" Similar to the problem above, but for user data. +func Test_ll_window_user_data() + call setloclist(0, [#{bufnr: bufnr(), user_data: {}}]) + lopen + wincmd t + close + call test_garbagecollect_now() + call feedkeys("\<CR>", 'tx') + call test_garbagecollect_now() + %bwipe! +endfunc + " The following test used to crash vim func Test_lfile_crash() sp Xtest diff --git a/src/version.c b/src/version.c index 782f4318f0..ba33f431d5 100644 --- a/src/version.c +++ b/src/version.c @@ -705,6 +705,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 728, +/**/ 727, /**/ 726, |