In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/sbin/fw_decrypt.sh line 8:

eval $(cat $p/keysuit)

     ^---------------^ SC2046 (warning): Quote this to prevent word splitting.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/sbin/fw_decrypt.sh line 9:

openssl aes-256-cbc -k $key -iv $iv -S $salt -d -in $p/$target.aes -out "$2" || ret=1

                       ^--^ SC2154 (warning): key is referenced but not assigned.

                       ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

                                ^-^ SC2154 (warning): iv is referenced but not assigned.

                                ^-^ SC2086 (info): Double quote to prevent globbing and word splitting.

                                       ^---^ SC2154 (warning): salt is referenced but not assigned.

                                       ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.

                                                       ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

openssl aes-256-cbc -k "$key" -iv "$iv" -S "$salt" -d -in $p/"$target".aes -out "$2" || ret=1

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/sbin/fw_decrypt.sh line 10:

chmod u+x $2

          ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

chmod u+x "$2"

For more information:

  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...

  https://www.shellcheck.net/wiki/SC2154 -- iv is referenced but not assigned.

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...