| Summary: | Incorrect jumpkind for arm instruction - LDR PC, [SP],#4 | ||
|---|---|---|---|
| Product: | [Developer tools] valgrind | Reporter: | Artem <ashipotilov> |
| Component: | vex | Assignee: | Julian Seward <jseward> |
| Status: | REPORTED --- | ||
| Severity: | major | ||
| Priority: | NOR | ||
| Version First Reported In: | 3.14 SVN | ||
| Target Milestone: | --- | ||
| Platform: | unspecified | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed/Implemented In: | ||
| Sentry Crash Report: | |||
| Attachments: | Example binary with ldr pc, [sp], #4 used as ret. | ||
Created attachment 107951 [details] Example binary with ldr pc, [sp], #4 used as ret. When processing ARM instruction in thumb mode: 5D F8 04 FB LDR.W PC, [SP],#4 IRSB jumpkind is set to Ijk_Broing, should be Ijk_Ret. See example in attached wget binary. Function - sub_227D0, block start addr - 00022878, ret instr addr - 00022890.