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Fix process effects crash #51827

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ferociousdork
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Summary

Bugfixes "Fix access violation in process_effects"

Purpose of change

Fixes #51812. The problem is that the effect map is being mutated while iterating over it, invalidating iterators.

Describe the solution

Create a copy of the effect map and iterate over that. This is safe with respect to additions (Creature::add_effect calls process_one_effect itself for new effects), and deletions (Creature::remove_effect does a has_effect check first).

Describe alternatives you've considered

None

Testing

Tested in-game with the attached save from the original issue. Effects added during the iteration (e.g. sleeping through the alarm) did not cause access violations anymore.

Additional context

I do wonder why this didn't cause issues before, I didn't see any pertinent recent changes to these functions.

@actual-nh actual-nh added <Bugfix> This is a fix for a bug (or closes open issue) <Crash / Freeze> Fatal bug that results in hangs or crashes. [C++] Changes (can be) made in C++. Previously named `Code` Mechanics: Effects / Skills / Stats Effects / Skills / Stats labels Sep 23, 2021
@BrettDong
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@jbytheway it seems "non const format" query is still being evaluated on LGTM on this pull request

@kevingranade kevingranade merged commit 6ee1821 into CleverRaven:master Sep 23, 2021
I-am-Erk added a commit to I-am-Erk/Cataclysm-DDA that referenced this pull request Sep 23, 2021
* reorganized to support expansion

* reorganized to support expansion

* removed sentences that shouldn't be there

* fixed log stable appearing as kitchen construction

* Reworked to push expansions back to the top level + doc

* testing disallows base name recipe changes

* removal of characters in middle of token managed to offend secret json format mandate

* Adjusted to CleverRaven#46278

* incorporated some old reverse conflict changes

* reorganized the stuff added while this PR was suspended

* reorganized the stuff added while this PR was suspended

* Fix bike shop variant roof

Fix the bike shop variant 1 having an empty roof

* Change stairs to ladder

Changed stairs down to ladder down

* Update the table of contents

* Remove duplicate shortcut keys from interaction menu

Fixes CleverRaven#51772

Co-authored-by: David Seguin <davidseguin@live.ca>

* Jsonified dead scientists map extra

* Use string_id for update_mapgen and nested_mapgen

These ids were previously just using strings; better to use a dedicated
string_id type.

This required adding an actual type for the string_id to point to in
each case, wrapping the collection of mapgen_function_json objects.

* Update cooking_components.json

* Force recipes to provide (sub)category

As suggested in CleverRaven#50866, require all recipe definitions to provide a
category and subcategory when loading from JSON.

* Add subcategory to Magiclysm recipe

* Clarify description of mon_zombie_dog (CleverRaven#51801)

See <https://discord.com/channels/598523535169945603/598614717799596055/890213920957161472> on the dev discord.

* Test disabling expensive LGTM checks (CleverRaven#51806)

Disable one LGTM checks to see if there's hope of reducing the runtime
thereby.

* Mythos Mod Resubmission (CleverRaven#51796)

* Mythos Mod Resubmission

* Remove Occulti as maintainer

* Fix typo in "Storehouse survey" blueprint name

* Add dialog activity functions, and flag to prevent activity being interrupted (CleverRaven#51809)

* Add dialog stuff

* docs

* Update player_activities.json

* use snippets (CleverRaven#51663)

Co-authored-by: Saicchi <Saicchi@users.noreply.github.com>
Co-authored-by: Kevin Granade <kevin.granade@gmail.com>

* Blacksmithing tongs and cooking tongs are two diffrent things.  (CleverRaven#51672)

* Add blacksmithing tongs.

The tongs in game wouldn't be able to carry around a four kilo zweihander. They are designed for cooking and flipping food, so they are very lightweight and thing, they would most likely bend under the heat of the hot metal.

* Added the need to use blacksmithing (flatjaw) tongs for the Zweihander

Not using tongs for smithing is almost impossible.

* Change the blacksmithing toolset to include the tongs.

I also removed the tongs from the tools on the zweihander.

Co-authored-by: Anton Burmistrov <Night_Pryanik@mail.ru>
Co-authored-by: Kevin Granade <kevin.granade@gmail.com>

* More granular json-style and astyle (CleverRaven#51731)

* More granular json-style and astyle

* Melee practice and training dummies (CleverRaven#51598)

* Melee practice
Added some basic melee practice recipes, including 2 for training dodge.
* Training dummy for practice recipes
* Dummy recipe and resolve problems
* Intermediate recipes and heavy training dummy
* Changed the armored dummy recipe
The recipe is inspired by the scrap suit recipe.
* Added tanto as a possible weapon for stabbing training
* Punching bag

Co-authored-by: Marloss <78324429+MarlossCDDA@users.noreply.github.com>

* Write documentation for neighbor based chunk spawning (CleverRaven#51818)

* Resubmit Fix Tire Rims (CleverRaven#51798)

* Update goblin.json (CleverRaven#51799)

* Fix: Force stereo when opening audio device (CleverRaven#51754)

Co-authored-by: Kevin Granade <kevin.granade@gmail.com>

* Add support for weakpoint damage and crit multipliers (CleverRaven#51770)

* Weakpoints (Part 4.5): Add support for JSON inheritance and default weakpoints (CleverRaven#51822)

* Let contributors specify the default weakpoint, by providing an empty ID

* Add support for weakpoint inheritance.

* Reduce debug.log file size by folding consecutive identical errors (CleverRaven#51791)

* debug_fold_repetition: Fold identical errors to reduce log spam

* debug_fold_repetition: added timestamp and timeout

timestamp for repeated error folding group is that of the last folded
error
timeout is currently hardcoded to 100ms. If another repeated error is
registered that would be folded but is >100ms after the previous error
it starts a new folding group

* debug_fold_repetitions: bookended fold for readability, made output DRY

It's a little easier to read the log as `[First]<folded>[Last]` than
`[First]<folded with last timestamp>`
Need to test folding output during deinit and DebugLog, made a function
to remove repetition.

* debug_fold_repetitions: excess repetition error to forced prompt

As logged error the excessive repetition error causes breaks in folds
which make debug.log less clear while reading, and does not add information
Forced prompting once excess threshold is reached will prompt once per
excessive repetition set.

* Allow using any tool with the drilling quality to make a draw_plate (CleverRaven#51794)

Fixes CleverRaven#51688

* The (impotent) Sound and the Fury (CleverRaven#51803)

* update m231

Updated price(https://www.invaluable.com/auction-lot/incredibly-rare-colt-m231-port-firing-u-s-propert-2086-c-3574a02a1e), adjusted desc, set sight disp to that of other no-sight guns, adjusted mod locations.

* Rapidly changing light levels do not grant max vision to turrets (CleverRaven#51815)

* Update fake.json (CleverRaven#51819)

* Fix process effects crash (CleverRaven#51827)

* Add Complete missions dialog function (CleverRaven#51820)

* Complete missions

* Update npctalk.cpp

* Update npctalk.cpp

Co-authored-by: PatrikLundell <j.patrik.r.lundell@gmail.com>
Co-authored-by: SegaSaturnity <75910217+SegaSaturnity@users.noreply.github.com>
Co-authored-by: kevingranade <kevingranade@users.noreply.github.com>
Co-authored-by: UmbralReaper <67179462+UmbralReaper@users.noreply.github.com>
Co-authored-by: David Seguin <davidseguin@live.ca>
Co-authored-by: Valiant <Night_Pryanik@mail.ru>
Co-authored-by: John Bytheway <52664+jbytheway@users.noreply.github.com>
Co-authored-by: mythosmod <91185016+mythosmod@users.noreply.github.com>
Co-authored-by: Kevin Granade <kevin.granade@gmail.com>
Co-authored-by: actual-nh <74678550+actual-nh@users.noreply.github.com>
Co-authored-by: Angela Graves <rivet.the.zombie@gmail.com>
Co-authored-by: Binrui Dong <brett.browning.dong@gmail.com>
Co-authored-by: Eric <52087122+Ramza13@users.noreply.github.com>
Co-authored-by: Saicchi <47158232+Saicchi@users.noreply.github.com>
Co-authored-by: Saicchi <Saicchi@users.noreply.github.com>
Co-authored-by: GOFLUMPYOURSELFPORCAY <64309930+GOFLUMPYOURSELFPORCAY@users.noreply.github.com>
Co-authored-by: Termineitor244 <termineitor244@hotmail.com>
Co-authored-by: Marloss <78324429+MarlossCDDA@users.noreply.github.com>
Co-authored-by: Zhilkin Serg <ZhilkinSerg@users.noreply.github.com>
Co-authored-by: John Candlebury <johncandlebury@gmail.com>
Co-authored-by: The SzQ <37194372+SzQ1@users.noreply.github.com>
Co-authored-by: Joshua Chin <5422226+Joshua-Chin@users.noreply.github.com>
Co-authored-by: OrenAudeles <orenaudeles@gmail.com>
Co-authored-by: Tonkatsu <7764202+tenmillimaster@users.noreply.github.com>
Co-authored-by: Roy Berube <royberube1965@gmail.com>
Co-authored-by: ISuckM8 <87550905+ISuckM8@users.noreply.github.com>
Co-authored-by: ferociousdork <78301810+ferociousdork@users.noreply.github.com>
@ferociousdork ferociousdork deleted the fix_process_effects_crash branch September 24, 2021 13:01
@jbytheway
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@jbytheway it seems "non const format" query is still being evaluated on LGTM on this pull request

Alas :(.

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<Bugfix> This is a fix for a bug (or closes open issue) [C++] Changes (can be) made in C++. Previously named `Code` <Crash / Freeze> Fatal bug that results in hangs or crashes. Mechanics: Effects / Skills / Stats Effects / Skills / Stats
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Crash without crash report during sleep on Win64
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