diff options
Diffstat (limited to 'meta/recipes-devtools/patchelf/patchelf/fix-adjusting-startPage.patch')
-rw-r--r-- | meta/recipes-devtools/patchelf/patchelf/fix-adjusting-startPage.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta/recipes-devtools/patchelf/patchelf/fix-adjusting-startPage.patch b/meta/recipes-devtools/patchelf/patchelf/fix-adjusting-startPage.patch new file mode 100644 index 0000000000..f64cbed5cb --- /dev/null +++ b/meta/recipes-devtools/patchelf/patchelf/fix-adjusting-startPage.patch @@ -0,0 +1,38 @@ +commit 1cc234fea5600190d872329aca60e2365cefc39e +Author: Ed Bartosh <ed.bartosh@linux.intel.com> +Date: Fri Jul 21 12:33:53 2017 +0300 + +fix adjusting startPage + +startPage is adjusted unconditionally for all executables. +This results in incorrect addresses assigned to INTERP and LOAD +program headers, which breaks patched executable. + +Adjusting startPage variable only when startOffset > startPage +should fix this. + +This change is related to the issue NixOS#10 + +Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> + +Github PR: https://github.com/NixOS/patchelf/pull/127 + +Upstream-Status: Submitted + +diff --git a/src/patchelf.cc b/src/patchelf.cc +index cbd36c0..e9d7ea5 100644 +--- a/src/patchelf.cc ++++ b/src/patchelf.cc +@@ -720,10 +720,8 @@ void ElfFile<ElfFileParamNames>::rewriteSectionsLibrary() + since DYN executables tend to start at virtual address 0, so + rewriteSectionsExecutable() won't work because it doesn't have + any virtual address space to grow downwards into. */ +- if (isExecutable) { +- if (startOffset >= startPage) { +- debug("shifting new PT_LOAD segment by %d bytes to work around a Linux kernel bug\n", startOffset - startPage); +- } ++ if (isExecutable && startOffset > startPage) { ++ debug("shifting new PT_LOAD segment by %d bytes to work around a Linux kernel bug\n", startOffset - startPage); + startPage = startOffset; + } + |