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glibc.7805
realpath-underflow.patch
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File realpath-underflow.patch of Package glibc.7805
* stdlib/canonicalize.c (__realpath): Return error with ENOENT if resolving a relative file name and root is no longer accessible. Index: glibc-2.22/stdlib/canonicalize.c =================================================================== --- glibc-2.22.orig/stdlib/canonicalize.c +++ glibc-2.22/stdlib/canonicalize.c @@ -90,6 +90,14 @@ __realpath (const char *name, char *reso rpath[0] = '\0'; goto error; } + if (rpath[0] != '/') + { + /* If getcwd returned a non-absolute file name the root + directory is no longer accessible to the current process. */ + __set_errno (ENOENT); + rpath[0] = '\0'; + goto error; + } dest = __rawmemchr (rpath, '\0'); } else
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