SonarQube findings resolution

adsz-nordic · adsz-nordic · commit b0f9777e1cb7 · 2025-09-17T11:09:52.000+02:00
Access of 'unsigned char' element in 'buf' at an overflowing index Issue link: https://sonarcloud.io/project/issues?open=AZWum4_vvizSu0tgQ8Mw&id=nrfconnect_sdk-mcuboot Ref: NCSDK-35334 Signed-off-by: Adam Szczygieł <adam.szczygiel@nordicsemi.no>
diff --git a/boot/boot_serial/src/boot_serial_encryption.c b/boot/boot_serial/src/boot_serial_encryption.c
@@ -182,6 +182,7 @@ decrypt_region_inplace(struct boot_loader_state *state,
                     blk_sz = tlv_off - (off + bytes_copied);
                 }
             }
+            assert(idx < sz);
             boot_enc_decrypt(BOOT_CURR_ENC(state), slot,
                     (off + bytes_copied + idx) - hdr->ih_hdr_size, blk_sz,
                     blk_off, &buf[idx]);

Original file line number	Diff line number	Diff line change
`@@ -182,6 +182,7 @@ decrypt_region_inplace(struct boot_loader_state *state,`
`182`	`182`	`blk_sz = tlv_off - (off + bytes_copied);`
`183`	`183`	`}`
`184`	`184`	`}`
	`185`	`+ assert(idx < sz);`
`185`	`186`	`boot_enc_decrypt(BOOT_CURR_ENC(state), slot,`
`186`	`187`	`(off + bytes_copied + idx) - hdr->ih_hdr_size, blk_sz,`
`187`	`188`	`blk_off, &buf[idx]);`