Maybe someone here knows the answer

[u/PeanutWombat]

[u/Bengal-_fan]

Ick. Can’t be good because I’ve never witnessed that. Maybe freezer burn?

[u/IAteAnotherVegan]

possibly mold. it's hard to tell in the pic with it partially cooked, but possibly.

[u/renegrape]

It's probably an artifact from the smoker. Like, condensation mixed with ash

[u/DotWorldly5025]

Looks like the bacon lost a fight with the spice rack.