** Changed in: tarantool
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1025547
Title:
if lua function returns empty table libtarantool's iterators segfault
Status in Tarantool - an efficient in-memory data store:
Fix Released
Bug description:
I have part of code like this:
https://github.com/mailru/tarantool/blob/master/client/tarantool/tc_print.c#L67
And I worte some tests for the code:
https://github.com/unera/dr-tarantool/blob/master/t/test-
data/init.lua#L7
function test_return(...)
return { ... }
end
if we call function 'test_return' with some arguments, the code works
fine, but if function returns empty table, iterators will segfault.
A test that demonstrates the problem here:
https://github.com/unera/dr-tarantool/blob/master/t/100-lua_segfault.t
Binary packet that was returned by tarantool can be found here:
https://github.com/unera/dr-tarantool/raw/master/t/test-data/lua-return-empty-tuple-type_00022-code_000-ok.bin
tarantool returned package that has length = 28 bytes, code = 0
function 'tnt_reply' returned 0 for the package, and then tnt_iter*
functions segfaulted.
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