feat(fs): implement umask and improve permission handling#1500
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fslongjin merged 1 commit intoDragonOS-Community:masterfrom Dec 18, 2025
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Dec 18, 2025
fslongjin
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- Set default umask to 0022 for new filesystem instances
- Add apply_umask_for_create() and chmod_preserve_type() helper functions
- Implement proper permission checks for file creation and chmod operations
- Fix fchmod syscall to work correctly and reject O_PATH file descriptors
- Add open_create_test to gvisor test suite
- Set default umask to 0022 for new filesystem instances - Add apply_umask_for_create() and chmod_preserve_type() helper functions - Implement proper permission checks for file creation and chmod operations - Fix fchmod syscall to work correctly and reject O_PATH file descriptors - Add open_create_test to gvisor test suite Signed-off-by: longjin <longjin@DragonOS.org>
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