diff options
| author | mark9064 <30447455+mark9064@users.noreply.github.com> | 2024-02-13 01:20:46 +0000 |
|---|---|---|
| committer | JF <JF002@users.noreply.github.com> | 2024-02-14 19:12:08 +0100 |
| commit | 93d7da16919a213404f00cbb26a630722b63d6f7 (patch) | |
| tree | 2c1daff65898378d3d4c692c1584072e9e053101 /src/components/ble | |
| parent | fa1af55a45fb277db71b6654ebe610a4d1bc7961 (diff) | |
Fix OOB flash write when DFU interrupted
If a DFU is restarted, the write indices aren't reset causing the image to be written out of bounds. The CRC check prevents the faulty image from booting but LittleFS still gets nuked.
Diffstat (limited to 'src/components/ble')
| -rw-r--r-- | src/components/ble/DfuService.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/components/ble/DfuService.cpp b/src/components/ble/DfuService.cpp index 1f06b69e..b3f2ff10 100644 --- a/src/components/ble/DfuService.cpp +++ b/src/components/ble/DfuService.cpp @@ -357,6 +357,8 @@ void DfuService::DfuImage::Init(size_t chunkSize, size_t totalSize, uint16_t exp this->totalSize = totalSize; this->expectedCrc = expectedCrc; this->ready = true; + totalWriteIndex = 0; + bufferWriteIndex = 0; } void DfuService::DfuImage::Append(uint8_t* data, size_t size) { |