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author | Sami Tolvanen <samitolvanen@google.com> | 2020-11-30 11:39:00 -0800 |
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committer | Borislav Petkov <bp@suse.de> | 2020-12-01 14:22:52 +0100 |
commit | 83321c335dccba262a57378361d63da96b8166d6 (patch) | |
tree | 413fe01da217e91ab5b7febe3107292dd6b84bb9 /lib | |
parent | aeaaf005da1de075929e56562dced4a58238efc4 (diff) | |
download | linux-stable-83321c335dccba262a57378361d63da96b8166d6.tar.gz linux-stable-83321c335dccba262a57378361d63da96b8166d6.tar.bz2 linux-stable-83321c335dccba262a57378361d63da96b8166d6.zip |
x86/pci: Fix the function type for check_reserved_t
e820__mapped_all() is passed as a callback to is_mmconf_reserved(),
which expects a function of type:
typedef bool (*check_reserved_t)(u64 start, u64 end, unsigned type);
However, e820__mapped_all() accepts enum e820_type as the last argument
and this type mismatch trips indirect call checking with Clang's
Control-Flow Integrity (CFI).
As is_mmconf_reserved() only passes enum e820_type values for the
type argument, change the typedef and the unused type argument in
is_acpi_reserved() to enum e820_type to fix the type mismatch.
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201130193900.456726-1-samitolvanen@google.com
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions