Package png version 0.1-9
Package built using 89653/R 4.6.0; x86_64-pc-linux-gnu; 2026-03-20 14:53:15 UTC; unix   
Checked with rchk version 35618ebbccf3cd0b45a3530e6303970a22a9056b LLVM version 14.0.6
More information at https://github.com/kalibera/cran-checks/blob/master/rchk/PROTECT.md
For rchk in docker image see https://github.com/kalibera/rchk/blob/master/doc/DOCKER.md

Function write_png
  [PB] has possible protection stack imbalance png/src/write.c:310