Yes, there’s a sizable mountain of evidence linking smoked meat consumption with cancers. Enough that the WHO called out smoked meats in their processed meat cancer linkage reports:

https://www.who.int/news-room/questions-and-answers/item/can...

Here’s research as far back as the 1980s on the subject:

https://pubmed.ncbi.nlm.nih.gov/7447916/