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Format specifier %p can leak kernel addresses while not valuing the
kptr_restrict system settings. When kptr_restrict is set to (1), kernel
pointers printed using the %pK format specifier will be replaced with 0's.
Debugging Note : &pK prints only Zeros as address. If you need actual
address information, write 0 to kptr_restrict.
echo 0 > /proc/sys/kernel/kptr_restrict
CRs-fixed: 1052849
Change-Id: I0e98145730380ea983fa8f46a28d15dd6c2c31df
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Yasir Malik <ymalik@codeaurora.org>
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
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Fix warning by checkpatch.pl:
Prefer 'unsigned int' to bare use of 'unsigned'
Patch applied by running fix inplace capability of checkpatch:
checkpatch.pl -f *.[ch] --types UNSPECIFIED_INT --fix-inplace
Change-Id: I2ba09a70e3a748ea8440f77d5c8e0349db248d49
Signed-off-by: Anson Jacob <ansonjacob.aj@gmail.com>
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Fix warning generated by checkpatch.pl:
Missing a blank line after declarations
Change-Id: I8c1b069a57f90027edfdb3cd8fa011dfe87e44b7
Signed-off-by: Anson Jacob <ansonjacob.aj@gmail.com>
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If the user passes in a negative file size in a int64,
this will compare to be smaller than buffer length,
and it will get truncated to form a read length that
is larger than the buffer length.
To fix, return -EINVAL if the count argument is negative,
so the loop will never happen.
Bug: 37429972
Test: Test with PoC
Change-Id: I5d52e38e6fbe2c17eb8c493f9eb81df6cfd780a4
Signed-off-by: Jerry Zhang <zhangjerry@google.com>
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