This bug is for crash report bp-c1553ffa-c591-48e9-a12e-4274b0190411.
Seen while looking at release crash stats: https://bit.ly/2Z4qQL9. This crash accumulates a pretty consistent number of crashes per release. Some of the comments mention repeatedly crashing, sometimes every 15 seconds. Currently on 66.0.2 this is #28 overall.
High correlation to Samsung devices - (62.61% in signature vs 38.16% overall) android_brand = samsung
The reporter in Bug 1543262 listed this as one of his crashes and notes in that bug that Fennec is unusable (He is checking out whether uBlock might be to blame)
Java stack trace: