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Merge tag 'orphan-handling-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

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Pull orphan handling fix from Kees Cook:
 "Another case of bogus .eh_frame emission was noticed under
  CONFIG_GCOV_KERNEL=y.

  Summary:

   - Define SANITIZER_DISCARDS with CONFIG_GCOV_KERNEL=y (Nathan
     Chancellor)"

* tag 'orphan-handling-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  vmlinux.lds.h: Define SANITIZER_DISCARDS with CONFIG_GCOV_KERNEL=y
This commit is contained in:
Linus Torvalds committed 2021-02-26 10:12:19 -08:00
2 parents fe1072ff76 f5b6a74d9c
commit 2bd3f4eeb3
1 file changed
+5 -4
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include/asm-generic/vmlinux.lds.h
+5 -4
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@@ -968,12 +968,13 @@
#endif
/*
* Clang's -fsanitize=kernel-address and -fsanitize=thread produce
* unwanted sections (.eh_frame and .init_array.*), but
* CONFIG_CONSTRUCTORS wants to keep any .init_array.* sections.
* Clang's -fprofile-arcs, -fsanitize=kernel-address, and
* -fsanitize=thread produce unwanted sections (.eh_frame
* and .init_array.*), but CONFIG_CONSTRUCTORS wants to
* keep any .init_array.* sections.
* https://bugs.llvm.org/show_bug.cgi?id=46478
*/
#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KCSAN)
#if defined(CONFIG_GCOV_KERNEL) || defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KCSAN)
# ifdef CONFIG_CONSTRUCTORS
# define SANITIZER_DISCARDS \
*(.eh_frame)