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Fix potential buffer overflow in printf

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Printf could potentially produce 2 64 bit numbers here when there is
only space for one, thus causing a buffer overflow. This was caught by
the new warning flags.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2020-12-09 14:53:24 +00:00
parent 4e589701d8
commit dd9e8f6dd0
2 changed files with 2 additions and 0 deletions
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1
library/psa_its_file.c
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@ -51,6 +51,7 @@
#define PSA_ITS_STORAGE_SUFFIX ".psa_its"
#define PSA_ITS_STORAGE_FILENAME_LENGTH \
( sizeof( PSA_ITS_STORAGE_PREFIX ) - 1 + /*prefix without terminating 0*/ \
16 + /*UID (64-bit number in hex)*/ \
16 + /*UID (64-bit number in hex)*/ \
sizeof( PSA_ITS_STORAGE_SUFFIX ) - 1 + /*suffix without terminating 0*/ \
1 /*terminating null byte*/ )

1
tests/suites/test_suite_psa_its.function
View File

@ -16,6 +16,7 @@
#define PSA_ITS_STORAGE_SUFFIX ".psa_its"
#define PSA_ITS_STORAGE_FILENAME_LENGTH \
( sizeof( PSA_ITS_STORAGE_PREFIX ) - 1 + /*prefix without terminating 0*/ \
16 + /*UID (64-bit number in hex)*/ \
16 + /*UID (64-bit number in hex)*/ \
sizeof( PSA_ITS_STORAGE_SUFFIX ) - 1 + /*suffix without terminating 0*/ \
1 /*terminating null byte*/ )