mbox series

[0/8] Fix UB in math implementations

Message ID 20250425205618.360232-1-adhemerval.zanella@linaro.org
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Series Fix UB in math implementations | expand

Message

Adhemerval Zanella April 25, 2025, 8:54 p.m. UTC 
From a recent experiment to build glibc with -fsanitize=undefined [1],
I found that some float implementation triggers UB. The issues from
this patchset were already fixed in the upstream projects.

[1] https://sourceware.org/git/?p=glibc.git;a=shortlog;h=refs/heads/azanella/ubsan-undef

Adhemerval Zanella (8):
  math: Fix UB on atanhf
  math: Fix UB on coshf
  math: Fix UB on logf
  math: Fix UB on sinhf
  math: Fix UB on cbrtf
  math: Fix UB on cospif
  math: Fix UB on erfcf
  math: Fix UB on sinpif

 sysdeps/ieee754/flt-32/e_atanhf.c | 4 ++--
 sysdeps/ieee754/flt-32/e_coshf.c  | 6 +++---
 sysdeps/ieee754/flt-32/e_logf.c   | 2 +-
 sysdeps/ieee754/flt-32/e_sinhf.c  | 6 +++---
 sysdeps/ieee754/flt-32/s_cbrtf.c  | 6 +++---
 sysdeps/ieee754/flt-32/s_cospif.c | 6 +++---
 sysdeps/ieee754/flt-32/s_erfcf.c  | 4 ++--
 sysdeps/ieee754/flt-32/s_sinpif.c | 8 ++++----
 8 files changed, 21 insertions(+), 21 deletions(-)