Bug 1037715
| Summary: | opensc: minor overflow leading to big-endian compatibility issue | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Florian Weimer <fweimer> |
| Component: | opensc | Assignee: | Nikos Mavrogiannopoulos <nmavrogi> |
| Status: | CLOSED NEXTRELEASE | QA Contact: | Release Test Team <release-test-team> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 7.0 | CC: | fweimer, pkotvan, pvrabec |
| Target Milestone: | rc | Keywords: | Rebase |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Rebase: Bug Fixes and Enhancements | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-08-26 14:38:14 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1036175 | ||
This has been addressed in the following upstream commit: https://github.com/OpenSC/OpenSC/commit/1a972920f0dd4959bd6ec3c4cddef2d98e6009a8 |
Clang warns about this: opensc-explorer.c:309:33: warning: format specifies type 'unsigned int *' but the argument has type 'u8 *' (aka 'unsigned char *') [-Wformat] if (sscanf(arg, "%02X%02X", &fid[0], &fid[1]) != 2) { ~~~~ ^~~~~~~ %2s opensc-explorer.c:309:42: warning: format specifies type 'unsigned int *' but the argument has type 'u8 *' (aka 'unsigned char *') [-Wformat] if (sscanf(arg, "%02X%02X", &fid[0], &fid[1]) != 2) { ~~~~ ^~~~~~~ %2s This writes useful values to fid[0] and fid[1] on little-endian architectures, and zero on big-endian architectures.