117 lines
4.3 KiB
Diff
117 lines
4.3 KiB
Diff
From 701c863e68fa24847100beef3c9008024615a081 Mon Sep 17 00:00:00 2001
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From: Christian Brabandt <cb@256bit.org>
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Date: Sun, 8 Sep 2024 20:05:23 +0200
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Subject: [PATCH] patch 9.1.0722: crash with large id in text_prop interface
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Problem: crash with large id in text_prop interface
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prop_add()/prop_add_list() (cposture)
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Solution: Error out if the id is > INT_MAX or <= INT_MIN
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fixes: #15637
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closes: #15638
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Signed-off-by: Christian Brabandt <cb@256bit.org>
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---
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runtime/doc/textprop.txt | 12 ++++++------
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src/testdir/test_textprop.vim | 4 ++++
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src/textprop.c | 22 ++++++++++++++++++++--
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3 files changed, 30 insertions(+), 8 deletions(-)
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diff --git a/runtime/doc/textprop.txt b/runtime/doc/textprop.txt
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index 6b46e06df9a20..0a04abbdb6d01 100644
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--- a/runtime/doc/textprop.txt
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+++ b/runtime/doc/textprop.txt
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@@ -1,4 +1,4 @@
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-*textprop.txt* For Vim version 9.0. Last change: 2023 Apr 23
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+*textprop.txt* For Vim version 9.1. Last change: 2024 Sep 08
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VIM REFERENCE MANUAL by Bram Moolenaar
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@@ -138,10 +138,10 @@ prop_add({lnum}, {col}, {props})
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bufnr buffer to add the property to; when omitted
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the current buffer is used
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id user defined ID for the property; must be a
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- number, should be positive; when using "text"
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- then "id" must not be present and will be set
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- automatically to a negative number; otherwise
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- zero is used
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+ number, should be positive |E1510|;
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+ when using "text" then "id" must not be
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+ present and will be set automatically to a
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+ negative number; otherwise zero is used
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*E1305*
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text text to be displayed before {col}, or
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above/below the line if {col} is zero; prepend
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@@ -267,7 +267,7 @@ prop_add_list({props}, [{item}, ...])
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call prop_add_list(#{type: 'MyProp', id: 2},
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\ [[1, 4, 1, 7],
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\ [1, 15, 1, 20],
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- \ [2, 30, 3, 30]]
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+ \ [2, 30, 3, 30]])
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<
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Can also be used as a |method|: >
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GetProp()->prop_add_list([[1, 1, 1, 2], [1, 4, 1, 8]])
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diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
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index 57277f79e2506..bbb911f959305 100644
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--- a/src/testdir/test_textprop.vim
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+++ b/src/testdir/test_textprop.vim
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@@ -393,6 +393,8 @@ func Test_prop_add_list()
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call assert_fails('call prop_add_list(test_null_dict(), [[2, 2, 2]])', 'E965:')
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call assert_fails('call prop_add_list(#{type: "one"}, test_null_list())', 'E1298:')
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call assert_fails('call prop_add_list(#{type: "one"}, [test_null_list()])', 'E714:')
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+ call assert_fails('call prop_add_list(#{type: "one", id: 2147483648}, [[2, 2, 2, 2], [3, 20, 3, 22]])', 'E1510:')
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+ call assert_fails('call prop_add_list(#{type: "one", id: -2147483648}, [[2, 2, 2, 2], [3, 20, 3, 22]])', 'E1510:')
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" only one error for multiple wrong values
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call assert_fails('call prop_add_list(#{type: "one"}, [[{}, [], 0z00, 0.3]])', ['E728:', 'E728:'])
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@@ -1743,6 +1745,8 @@ func Test_prop_func_invalid_args()
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call assert_fails("call prop_add(2, 3, {'type': 'xxx', 'length':-1})", 'E475:')
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call assert_fails("call prop_add(2, 3, {'type': 'xxx', 'end_col':0})", 'E475:')
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call assert_fails("call prop_add(2, 3, {'length':1})", 'E965:')
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+ call assert_fails("call prop_add(2, 3, {'type': 'xxx', 'id': 2147483648})", 'E1510:')
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+ call assert_fails("call prop_add(2, 3, {'type': 'xxx', 'id': -2147483648})", 'E1510:')
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call prop_type_delete('xxx')
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bwipe!
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diff --git a/src/textprop.c b/src/textprop.c
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index fe0c8d20cbd46..d16f8ecef3abe 100644
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--- a/src/textprop.c
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+++ b/src/textprop.c
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@@ -372,7 +372,16 @@ f_prop_add_list(typval_T *argvars, typval_T *rettv UNUSED)
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type_name = dict_get_string(dict, "type", FALSE);
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if (dict_has_key(dict, "id"))
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- id = dict_get_number(dict, "id");
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+ {
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+ long long x;
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+ x = dict_get_number(dict, "id");
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+ if (x > INT_MAX || x <= INT_MIN)
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+ {
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+ semsg(_(e_val_too_large), dict_get_string(dict, "id", FALSE));
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+ return;
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+ }
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+ id = (int)x;
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+ }
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if (get_bufnr_from_arg(&argvars[0], &buf) == FAIL)
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return;
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@@ -497,7 +506,16 @@ prop_add_common(
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end_col = 1;
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if (dict_has_key(dict, "id"))
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- id = dict_get_number(dict, "id");
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+ {
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+ long long x;
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+ x = dict_get_number(dict, "id");
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+ if (x > INT_MAX || x <= INT_MIN)
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+ {
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+ semsg(_(e_val_too_large), dict_get_string(dict, "id", FALSE));
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+ goto theend;
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+ }
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+ id = (int)x;
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+ }
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if (dict_has_key(dict, "text"))
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{
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