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Linus Torvalds 9745031130 Miscellaneous objtool fixes: ...

- Fix cross-build bug by using HOSTCFLAGS for HAVE_XXHASH test
  - Fix klp bug by fixing detection of corrupt static branch/call entries
  - Handle unsupported pr_debug() usage more gracefully
  - Fix hypothethical klp bug by avoiding NULL pointer dereference when printing code symbol name
  - Fix data alignment bug in elf_add_data() causing mangled strings
  - Fix confusing ERROR_INSN() error message
  - Handle unexpected Clang RSP musical chairs causing false positive warnings
  - Fix another objtool stack overflow in validate_branch()
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:

 - Fix cross-build bug by using HOSTCFLAGS for HAVE_XXHASH test

 - Fix klp bug by fixing detection of corrupt static branch/call entries

 - Handle unsupported pr_debug() usage more gracefully

 - Fix hypothetical klp bug by avoiding NULL pointer dereference when
   printing code symbol name

 - Fix data alignment bug in elf_add_data() causing mangled strings

 - Fix confusing ERROR_INSN() error message

 - Handle unexpected Clang RSP musical chairs causing false positive
   warnings

 - Fix another objtool stack overflow in validate_branch()

* tag 'objtool-urgent-2026-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix another stack overflow in validate_branch()
  objtool: Handle Clang RSP musical chairs
  objtool: Fix ERROR_INSN() error message
  objtool: Fix data alignment in elf_add_data()
  objtool: Use HOSTCFLAGS for HAVE_XXHASH test
  objtool/klp: Avoid NULL pointer dereference when printing code symbol name
  objtool/klp: Disable unsupported pr_debug() usage
  objtool/klp: Fix detection of corrupt static branch/call entries

2026-03-15 10:36:01 -07:00

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