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| author |   Alexey Neyman <stilor@att.net> | 2017-07-13 07:38:03 (GMT) |
|---|---|---|
| committer |   GitHub <noreply@github.com> | 2017-07-13 07:38:03 (GMT) |
| commit | 45c5bb0f484cba724be2c6105801dcce9a1a82d9 (patch) | |
| tree | 8fd1c8eaa2ef203009d72b6ca6348611dcc5ee1c /packages/glibc/2.13/106-dl-open-array-bounds.patch | |
| parent | 8f8e131d566af1f577d8fb6e62e6f121b7955472 (diff) | |
| parent | b32fcf7c1eea890a2bd3f88487f818ba241aabb1 (diff) | |
Merge pull request #767 from stilor/packages
Packages
Diffstat (limited to 'packages/glibc/2.13/106-dl-open-array-bounds.patch')
| -rw-r--r-- | packages/glibc/2.13/106-dl-open-array-bounds.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/packages/glibc/2.13/106-dl-open-array-bounds.patch b/packages/glibc/2.13/106-dl-open-array-bounds.patch new file mode 100644 index 0000000..bdb5c19 --- /dev/null +++ b/packages/glibc/2.13/106-dl-open-array-bounds.patch @@ -0,0 +1,27 @@ +commit 328c44c3670ebf6c1bd790acddce65a12998cd6c +Author: Roland McGrath <roland@hack.frob.com> +Date: Fri Apr 17 12:11:58 2015 -0700 + + Fuller check for invalid NSID in _dl_open. + +diff --git a/elf/dl-open.c b/elf/dl-open.c +index 0dbe07f..2d0e082 100644 +--- a/elf/dl-open.c ++++ b/elf/dl-open.c +@@ -619,8 +619,14 @@ no more namespaces available for dlmopen()")); + /* Never allow loading a DSO in a namespace which is empty. Such + direct placements is only causing problems. Also don't allow + loading into a namespace used for auditing. */ +- else if (__builtin_expect (nsid != LM_ID_BASE && nsid != __LM_ID_CALLER, 0) +- && (GL(dl_ns)[nsid]._ns_nloaded == 0 ++ else if ((nsid != LM_ID_BASE && nsid != __LM_ID_CALLER) ++ && ((nsid < 0 || nsid >= GL(dl_nns)) ++ /* This prevents the [NSID] index expressions from being ++ evaluated, so the compiler won't think that we are ++ accessing an invalid index here in the !SHARED case where ++ DL_NNS is 1 and so any NSID != 0 is invalid. */ ++ || DL_NNS == 1 ++ || GL(dl_ns)[nsid]._ns_nloaded == 0 + || GL(dl_ns)[nsid]._ns_loaded->l_auditing)) + _dl_signal_error (EINVAL, file, NULL, + N_("invalid target namespace in dlmopen()")); |