[v4,0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()

Message

Peter Collingbourne March 29, 2025, 12:03 a.m. UTC

This series fixes an issue where strscpy() would sometimes trigger
a false positive KASAN report with MTE.

v4:
- clarify commit message
- improve comment

v3:
- simplify test case

Peter Collingbourne (1):
  string: Add load_unaligned_zeropad() code path to sized_strscpy()

Vincenzo Frascino (1):
  kasan: Add strscpy() test to trigger tag fault on arm64

 lib/string.c            | 13 ++++++++++---
 mm/kasan/kasan_test_c.c | 16 ++++++++++++++++
 2 files changed, 26 insertions(+), 3 deletions(-)