Add a bounds check on ff_close, ff_pwrite and ff_pread#904
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yosuke-wolfssl wants to merge 1 commit intowolfSSL:masterfrom
Open
Add a bounds check on ff_close, ff_pwrite and ff_pread#904yosuke-wolfssl wants to merge 1 commit intowolfSSL:masterfrom
yosuke-wolfssl wants to merge 1 commit intowolfSSL:masterfrom
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Pull request overview
Adds defensive bounds checks for FatFS-backed file descriptor pool access to prevent out-of-range indexing in the WolfSSH SFTP FatFS port.
Changes:
- Add
fdrange validation inff_close. - Add
fdrange validation inff_pwrite/ff_preadbefore dereferencingfd_pool[fd]. - Refactor
FIL* finitialization so it occurs after the new bounds checks.
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This PR adds the bound check into ff_close, ff_pwrite and ff_pread implemented in src/wolfsftp.c.