[tarantool-patches] Re: [PATCH] Fix csv crash with ending space and empty field

  • From: Alexander Turenko <alexander.turenko@xxxxxxxxxxxxx>
  • To: Vladislav Shpilevoy <v.shpilevoy@xxxxxxxxxxxxx>, Georgy Kirichenko <georgy@xxxxxxxxxxxxx>
  • Date: Wed, 18 Jul 2018 15:44:24 +0300

Nope :) I observed your commit for this file.

Georgy, maybe you can review me?

WBR, Alexander Turenko.

On Wed, Jul 18, 2018 at 02:08:16PM +0300, Vladislav Shpilevoy wrote:

Hi! Are you sure that I should review it?

On 18/07/2018 13:51, Alexander Turenko wrote:
Fixes #3489.
---
branch: Totktonada/gh-3489-fix-csv-crash
travis-ci: https://travis-ci.org/tarantool/tarantool/builds/405298528

  src/lib/csv/csv.c         | 1 +
  test/app-tap/csv.test.lua | 7 ++++++-
  2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/lib/csv/csv.c b/src/lib/csv/csv.c
index 5f4ff9a9c..0a2f7b4d0 100644
--- a/src/lib/csv/csv.c
+++ b/src/lib/csv/csv.c
@@ -192,6 +192,7 @@ csv_parse_impl(struct csv *csv, const char *s, const 
char *end, bool firstonly)
                            /* end of field */
                            csv->state = CSV_LEADING_SPACES;
                            csv->bufp -= csv->ending_spaces;
+                           csv->ending_spaces = 0;
                            if (firstonly) {
                                    csv->state = CSV_NEWFIELD;
                                    return p;
diff --git a/test/app-tap/csv.test.lua b/test/app-tap/csv.test.lua
index 472a8d23e..0a656aaa3 100755
--- a/test/app-tap/csv.test.lua
+++ b/test/app-tap/csv.test.lua
@@ -36,7 +36,7 @@ local test6_ans = "|23|\t|456|\t|abcac|\t|'multiword 
field 4'|\t\n|none|" ..
                    "lag[ flag ])|\t\n||\t||\t||\t\n"
  test = tap.test("csv")
-test:plan(11)
+test:plan(12)
  readable = {}
  readable.read = myread
@@ -128,4 +128,9 @@ fio.unlink(file3)
  fio.unlink(file4)
  fio.rmdir(tmpdir)
+-- gh-3489: crash with ending space and empty field
+local res = csv.load('929,N1XDN ,,"Enfield, CT",')
+local exp = {{'929', 'N1XDN', '', 'Enfield, CT', ''}}
+test:is_deeply(res, exp, 'gh-3489')
+
  test:check()


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