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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Michael Lenaghan, … Pierre Chapuis11

3:02 PM

Re: [ANN] mote - Lightweight HTTP server with routing and middleware

Hello Björn, the application in question is some kind of personal homepage that I only run on Linux,

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Re: [ANN] mote - Lightweight HTTP server with routing and middleware

Hello Björn, the application in question is some kind of personal homepage that I only run on Linux,

3:02 PM

Rett Berg, … Lars Müller18

11:41 AM

Function to force table to shrink?

Thanks for the reply Roberto! That was the premise of my "allow rehash" snippet: To add a

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Function to force table to shrink?

Thanks for the reply Roberto! That was the premise of my "allow rehash" snippet: To add a

11:41 AM

Marc Balmer, Błażej Roszkowski2

10:59 AM

Is this a valid use lua_pushexternalstring()

No, it's technically undefined behavior and you should not do that. It happens to work because in

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Is this a valid use lua_pushexternalstring()

No, it's technically undefined behavior and you should not do that. It happens to work because in

10:59 AM

Jure Bagić, … Gé Weijers12

Feb 2

Function statement name syntax in Lua

On Mon, Feb 2, 2026 at 10:59 AM Roberto Ierusalimschy <rob...@inf.puc-rio.br> wrote: It is not

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Function statement name syntax in Lua

On Mon, Feb 2, 2026 at 10:59 AM Roberto Ierusalimschy <rob...@inf.puc-rio.br> wrote: It is not

Feb 2

Eric Covener, … Roberto Ierusalimschy6

Feb 2

regression on zOS between 5.4.8 to 5.5.0 on zOS

> The same SW stack and automated test works for me on AIX (which is > also Big Endian),

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regression on zOS between 5.4.8 to 5.5.0 on zOS

> The same SW stack and automated test works for me on AIX (which is > also Big Endian),

Feb 2

Jan 30

A new web framework in lua - Crescent Framework

My dream is to be able to build backend applications in Lua, but the most viable solution so far (

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A new web framework in lua - Crescent Framework

My dream is to be able to build backend applications in Lua, but the most viable solution so far (

Jan 30

Martin Eden, … Olive Simmons6

Jan 30

[ANN] File-to-image

On 2026-01-30 01:45, Olive Simmons wrote: > Writing usable deflate from within Lua is pretty easy,

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[ANN] File-to-image

On 2026-01-30 01:45, Olive Simmons wrote: > Writing usable deflate from within Lua is pretty easy,

Jan 30

Fourier Transformer, Martin Eden2

Jan 29

[ANN] tested - a new Lua unit testing library!

On 2026-01-27 04:37, 'Fourier Transformer' via lua-l wrote: > Hi! > > I'm

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[ANN] tested - a new Lua unit testing library!

On 2026-01-27 04:37, 'Fourier Transformer' via lua-l wrote: > Hi! > > I'm

Jan 29

Lourival Vieira Neto

Jan 24

[ANN] Lunatik v4.0 released

We're happy to announce the release of Lunatik v4.0. This is a major release that extends the

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[ANN] Lunatik v4.0 released

We're happy to announce the release of Lunatik v4.0. This is a major release that extends the

Jan 24

Cullen Clay (你講話真的很機車), … David Given4

Jan 24

Out-of-Bounds Read in luaO_pushvfstring Due to Unsanitized String Inputs

On Sat, 24 Jan 2026, at 10:18, Philippe Verdy wrote: How would you validate that strings of

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Out-of-Bounds Read in luaO_pushvfstring Due to Unsanitized String Inputs

On Sat, 24 Jan 2026, at 10:18, Philippe Verdy wrote: How would you validate that strings of

Jan 24

Sergey Bronnikov

Jan 23

[ANN] Fuzzing Lua in OSS-Fuzz

Hello, everyone, OSS-Fuzz, Google's open source fuzzing service, now supports fuzzing

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[ANN] Fuzzing Lua in OSS-Fuzz

Hello, everyone, OSS-Fuzz, Google's open source fuzzing service, now supports fuzzing

Jan 23

Eleanor Bartle, … Roberto Ierusalimschy5

Jan 22

__gc/__close ordering

> [...] If neither is true, does that mean the __gc > and __close metamethods must in general

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__gc/__close ordering

> [...] If neither is true, does that mean the __gc > and __close metamethods must in general

Jan 22

Cullen Clay (你講話真的很機車), … Javier Guerra Giraldez7

Jan 21

Out-of-Bounds Read in luaL_loadstring Function Due to Lack of Input Validation

i think it's now obvious that the responsible for this slop spam doesn't care enough to read

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Out-of-Bounds Read in luaL_loadstring Function Due to Lack of Input Validation

i think it's now obvious that the responsible for this slop spam doesn't care enough to read

Jan 21

checkmate, mjmouse99992

Jan 20

# CWE-476: NULL Pointer Dereference in Lua Interpreter's handle_script Function

Have you considered telling your LLM that argc and argv actually come from glibc? I've pointed

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# CWE-476: NULL Pointer Dereference in Lua Interpreter's handle_script Function

Have you considered telling your LLM that argc and argv actually come from glibc? I've pointed

Jan 20

checkmate, … Martin Eden3

Jan 20

# CWE-476: NULL Pointer Dereference in Lua's `checkcontrol` Function

On 2026-01-20 19:30, 'Sainan' via lua-l wrote: > Hooray to AI-generated spam. > > --

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# CWE-476: NULL Pointer Dereference in Lua's `checkcontrol` Function

On 2026-01-20 19:30, 'Sainan' via lua-l wrote: > Hooray to AI-generated spam. > > --

Jan 20

Jan 20

# CWE-476: NULL Pointer Dereference in luaL_loadstring Function

Summary The luaL_loadstring function in the Lua library (lauxlib.c) contains a vulnerability that

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# CWE-476: NULL Pointer Dereference in luaL_loadstring Function

Summary The luaL_loadstring function in the Lua library (lauxlib.c) contains a vulnerability that

Jan 20

Jan 20

# CWE-476: NULL Pointer Dereference in warnf Function

Description The warnf function in ltests.c has a potential vulnerability due to a NULL pointer

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# CWE-476: NULL Pointer Dereference in warnf Function

Description The warnf function in ltests.c has a potential vulnerability due to a NULL pointer

Jan 20

Cheese, … dev1 dev230

Jan 20

Why set the control variable of this for loop to read-only in Lua5.5?

Thank you, looking forward to it. On Friday, January 16, 2026 at 8:24:43 PM UTC+1 Roberto

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Why set the control variable of this for loop to read-only in Lua5.5?

Thank you, looking forward to it. On Friday, January 16, 2026 at 8:24:43 PM UTC+1 Roberto

Jan 20

Kritzel Kratzel

Jan 19

[ANN] OneLuaPro 5.4.8.2 is available

Please forgive me for this cheeky advertisement, but after almost 6 months it was time for a new

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[ANN] OneLuaPro 5.4.8.2 is available

Please forgive me for this cheeky advertisement, but after almost 6 months it was time for a new

Jan 19

Scott Morgan, Thijs Schreijer4

Jan 17

On Fri, 16 Jan 2026, at 14:35, 'Scott Morgan' via lua-l wrote: > Another issue that just

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On Fri, 16 Jan 2026, at 14:35, 'Scott Morgan' via lua-l wrote: > Another issue that just

Jan 17

João Pedro Gusatti, Luther Thompson2

Jan 17

Lua 5.5.0 - "global" as a identifier

On 1/17/26 09:00, João Pedro Gusatti wrote: > global = 1 > print(global) --> 1 > > The

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Lua 5.5.0 - "global" as a identifier

On 1/17/26 09:00, João Pedro Gusatti wrote: > global = 1 > print(global) --> 1 > > The

Jan 17

Yan, Roberto Ierusalimschy2

Jan 15

luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

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luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

Jan 15

Jan 12

Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

unread,

Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

Jan 12

Biniam Fisseha Demissie, Xmilia Hermit3

Jan 12

Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

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Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

Jan 12

Stefano Cossu, … Luiz Henrique de Figueiredo4

Jan 7

My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

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My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

Jan 7

Luiz Henrique de Figueiredo, … Matěj Cepl40

Jan 7

[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

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[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

Jan 7

John Bit, … Xmilia Hermit5

Jan 6

Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

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Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

Jan 6

Jan 6

Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

unread,

Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

Jan 6

Usman, … Denis Dos Santos Silva3

Jan 4

Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

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Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

Jan 4

Roberto Ierusalimschy, … Marc Balmer13

Jan 3

es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

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es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

Jan 3

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