WebKit EXC_BAD_ACCESS random crashes

my iOS app recently have high number of crashes for random users. The stack trace is as below, looks like crash is occuring on wkwebview loading but I'm unable to find the real reason from the stack trace.

EXC_BAD_ACCESS (SIGSEGV): EXC_BAD_ACCESS (SIGSEGV) libobjc.A.dylib

object_isClass + 16 Foundation

0x1d9cff000 + 28468 Foundation

0x1d9cff000 + 244440 WebKit

0x1f10f0000 + 5647708 WebKit

0x1f10f0000 + 5646792 WebKit

0x1f10f0000 + 5999188 WebKit

0x1f10f0000 + 5998496 WebKit

0x1f10f0000 + 9519496 WebKit

0x1f10f0000 + 3947756 WebKit

0x1f10f0000 + 6155904 WebKit

0x1f10f0000 + 3920144 WebKit

0x1f10f0000 + 3918392 JavaScriptCore

0x1f1cdc000 + 326492 JavaScriptCore

0x1f1cdc000 + 328920 CoreFoundation

0x1df8b4000 + 836232 CoreFoundation

0x1df8b4000 + 883688 CoreFoundation

0x1df8b4000 + 401224 CoreFoundation

0x1df8b4000 + 487284 CoreFoundation

CFRunLoopRunSpecific + 584 GraphicsServices

GSEventRunModal + 160 UIKitCore

0x1e1965000 + 3626552 UIKitCore

UIApplicationMain + 312 xxxx

main (AppDelegate.swift:22) (null)

0x0 + 8529878512

Appreciate if anyone with similar issue can help.

WebKit EXC_BAD_ACCESS random crashes
 
 
Q