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3 Commits

Author SHA1 Message Date
Avi Kivity
af8fd8c8d8 utils: build_id: fix ubsan false positive on pointer arithmetic 
get_nt_build_id() constructs a pointer by adding a base and an
offset, but if the base happens to be zero, that is undefined
under C++ rules (altough legal ELF).

Fix by performing the addition on integers, and only then
casting to a pointer.

Closes #7379
 2020-10-11 17:23:40 +03:00
Benny Halevy
9256d2f504 build_id: simplify callback pointer type casting 
Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
 2020-08-03 15:55:18 +03:00
Benny Halevy
bf6e8f66d9 build_id: mv sources to utils/ 
The root directory is already overcrowded.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
 2020-08-03 15:55:16 +03:00