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patch 9.1.1463: Integer overflow in getmarklist() after linewise operation

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Problem:  Integer overflow in getmarklist() after linewise operation.
Solution: Don't add 1 to MAXCOL (zeertzjq)

related: neovim/neovim#34524
closes: #17552

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2025-06-16 20:10:38 +02:00
committed by Christian Brabandt
parent 8ae8b304ee
commit 93318a9933
3 changed files with 8 additions and 1 deletions
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src/mark.c
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@@ -1464,7 +1464,7 @@ add_mark(list_T *l, char_u *mname, pos_T *pos, int bufnr, char_u *fname)
list_append_number(lpos, bufnr);
list_append_number(lpos, pos->lnum);
list_append_number(lpos, pos->col + 1);
list_append_number(lpos, pos->col < MAXCOL ? pos->col + 1 : MAXCOL);
list_append_number(lpos, pos->coladd);
if (dict_add_string(d, "mark", mname) == FAIL