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| ^~~~~~~~~~~~~ In file included from test_fuse.h:13, from fuse_test.c:7: /usr/aarch64-linux-gnu/include/dirent.h:134:12: note: in a call to function 'closedir' declared 'nonnull' 134 | extern int closedir (DIR *__dirp) __nonnull ((1)); | ^~~~~~~~ fuse_test.c: In function 'inotify_test': >> fuse_test.c:1455:9: warning: 'dir.s' may be used uninitialized [-Wmaybe-uninitialized] 1455 | free(dir.s); | ^~~~~~~~~~~ fuse_test.c:1429:18: note: 'dir.s' was declared here 1429 | struct s dir; | ^~~ In file included from test_fuse.h:11: fuse_test.c: In function 'bpf_test_revalidate_handle_backing_fd': >> fuse_test.c:1889:27: warning: 'read' writing 11 bytes into a region of size 9 overflows the destination [-Wstringop-overflow=] 1889 | TESTEQUAL(read(dst_content_fd, content_buffer, strlen(content)), test_framework.h:137:56: note: in definition of macro '_CALL_TO' 137 | (_type) (long long) (a), \ | ^ test_framework.h:153:25: note: in expansion of macro 'TESTOPERATOR' 153 | #define TESTEQUAL(a, b) TESTOPERATOR(a, b, _eq) | ^~~~~~~~~~~~ fuse_test.c:1889:17: note: in expansion of macro 'TESTEQUAL' 1889 | TESTEQUAL(read(dst_content_fd, content_buffer, strlen(content)), | ^~~~~~~~~ fuse_test.c:1874:22: note: destination object 'content_buffer' of size 9 1874 | char content_buffer[9] = {0}; | ^~~~~~~~~~~~~~ In file included from ../../kselftest.h:55, from test_framework.h:26: /usr/aarch64-linux-gnu/include/unistd.h:371:16: note: in a call to function 'read' declared with attribute 'access (write_only, 2, 3)' 371 | extern ssize_t read (int __fd, void *__buf, size_t __nbytes) __wur | ^~~~ -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki