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Linux 6.9: Fix UBSAN errors in zap_micro.c 

You can use the UBSAN_SANITIZE_* Kbuild options to exclude certain
kernel objects from the UBSAN checks.  We previously excluded
zap_micro.o with:

UBSAN_SANITIZE_zap_micro.o := n

For some reason that didn't work for the 6.9 kernel, which wants us
to use:

UBSAN_SANITIZE_zfs/zap_micro.o := n

Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Fixes: #16278
This commit is contained in:
Tony Hutter 2024-07-08 17:01:30 -07:00
parent fd51786f86
commit bd6e36bcaf
1 changed files with 1 additions and 0 deletions
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module/Kbuild.in
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@ -490,6 +490,7 @@ zfs-$(CONFIG_PPC64) += $(addprefix zfs/,$(ZFS_OBJS_PPC_PPC64))
UBSAN_SANITIZE_zap_leaf.o := n
UBSAN_SANITIZE_zap_micro.o := n
UBSAN_SANITIZE_sa.o := n
UBSAN_SANITIZE_zfs/zap_micro.o := n
# Suppress incorrect warnings from versions of objtool which are not
# aware of x86 EVEX prefix instructions used for AVX512.