[iOS][Produciton] App Hangs with animation stack traces

[jayshah123]

Description

We see many un-reproducible app hangs on ios with following stack trace:

The UI where we see this is a use of modal + text-input + keyboard interaction:

  QuartzCore          0x198365c8c  -[CALayer animationForKey:]
  QuartzCore          0x198365c74  -[CALayer animationForKey:]
  UIKitCore           0x1991e2cf8  -[UIViewAnimationState _shouldAnimateAdditivelyForKey:onLayer:forView:]
  UIKitCore           0x199096f8c  -[UIViewAnimationState _shouldStartFromCurrentStateForLayer:key:forView:]
  UIKitCore           0x199096924  -[UIViewAnimationState animationForLayer:forKey:forView:]
  UIKitCore           0x199096610  -[UIViewAnimationState actionForLayer:forKey:forView:]
  UIKitCore           0x19909569c  +[UIView(Animation) _defaultUIViewActionForLayer:forKey:]
  UIKitCore           0x199095850  -[UIView(UIKitManual) actionForLayer:forKey:]
  QuartzCore          0x198305bd4  -[CALayer actionForKey:]
  QuartzCore          0x198305a48  CA::Layer::begin_change
  QuartzCore          0x198362d0c  CA::Layer::set_bounds
  QuartzCore          0x198362b9c  -[CALayer setBounds:]
  UIKitCore           0x199081078  -[UIView _backing_setBounds:]
  UIKitCore           0x19907f5f0  -[UIView(Geometry) setBounds:]
  MyApp            0x1032e32c0  -[UIView(React) reactSetFrame:] (UIView+React.m:205)
  MyApp            0x1032d89c8  -[RCTView reactSetFrame:] (RCTView.m:785)
  UIKitCore           0x19a59f510  +[UIView(UIViewAnimationWithBlocks) _setupAnimationWithDuration:delay:view:options:factory:animations:start:animationStateGenerator:completion:]
  UIKitCore           0x199296b60  +[UIView(UIViewAnimationWithBlocks) animateWithDuration:delay:options:animations:completion:]
  MyApp            0x1032a6f28  -[RCTLayoutAnimation performAnimations:withCompletionBlock:] (RCTLayoutAnimation.m:121)
  MyApp            0x1032cb9b8  __51-[RCTUIManager uiBlockWithLayoutUpdateForRootView:]_block_invoke.99 (RCTUIManager.m:688)
  MyApp            0x1032cec34  __44-[RCTUIManager flushUIBlocksWithCompletion:]_block_invoke (RCTUIManager.m:1208)
  MyApp            0x1032ced24  __44-[RCTUIManager flushUIBlocksWithCompletion:]_block_invoke_2 (RCTUIManager.m:1228)
  libdispatch         0x19e5a036c  _dispatch_call_block_and_release
  libdispatch         0x19e5a20cc  _dispatch_client_callout
  libdispatch         0x19e5b09dc  _dispatch_main_queue_drain
  libdispatch         0x19e5b05f8  _dispatch_main_queue_callback_4CF
  CoreFoundation      0x1968a0200  __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
  CoreFoundation      0x19689d43c  __CFRunLoopRun
  CoreFoundation      0x19689c82c  CFRunLoopRunSpecific
  GraphicsServices    0x1e287c1c0  GSEventRunModal
  UIKitCore           0x199402eac  -[UIApplication _run]
  UIKitCore           0x1994b15b0  UIApplicationMain
  MyApp            0x102d61b90  main (main.m:14)
  0x1bc28aec8  <redacted>

Steps to reproduce

no-repor

Snack or a link to a repository

https://snack.expo.io/

Reanimated version

3.7.0

React Native version

0.73.9

Platforms

iOS

JavaScript runtime

Hermes

Workflow

React Native

Architecture

Paper (Old Architecture)

Build type

Release app & production bundle

Device

Real device

Device model

Iphone 17, iPhone 18

Acknowledgements

Yes

[github-actions]

Hey! 👋

The issue doesn't seem to contain a minimal reproduction.

Could you provide a snack or a link to a GitHub repository under your username that reproduces the problem?