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glibc.9247
realpath-ssize-max-overflow.patch
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File realpath-ssize-max-overflow.patch of Package glibc.9247
2018-05-09 Paul Pluzhnikov <ppluzhnikov@google.com> [BZ #22786] * stdlib/canonicalize.c (__realpath): Fix overflow in path length computation. Index: glibc-2.22/stdlib/canonicalize.c =================================================================== --- glibc-2.22.orig/stdlib/canonicalize.c +++ glibc-2.22/stdlib/canonicalize.c @@ -181,7 +181,7 @@ __realpath (const char *name, char *reso extra_buf = __alloca (path_max); len = strlen (end); - if ((long int) (n + len) >= path_max) + if (path_max - n <= len) { __set_errno (ENAMETOOLONG); goto error;
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