memcmp() is wrong here, the symbol name can be shorter than
KSYMTAB_PFX
or CRC_PFX.
- if (memcmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
+ if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
This doesn't change anything. In both cases the function will
return 0
only if all strlen(CRC_PFX) chars match, and in both cases it can
access
strlen(CRC_PFX) chars (strncmp() is allowed to access characters
after
the first \0 just fine).
str(n)cmp is not allowed to access characters past the NUL byte.
You are wrong. strncmp() _is_ allowed to do that. So this patch
doesn't change anything.
Segher
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