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kernel: add missing UBSAN config symbols

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Enabling KERNEL_UBSAN exposes several missing symbols. Add new kernel
build options for UBSAN_BOUNDS and UBSAN_TRAP, disable CONFIG_TEST_UBSAN
in the generic kernel configs and enable CONFIG_UBSAN_MISC in generic
5.10 config. The latter symbol was removed in later kernels, as it was
causing some issues, so just disable it in 5.10 instead of adding a
build option for it.

Fixes build failures with KERNEL_UBSAN enabled.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Stijn Tintel
2021-11-03 19:38:50 +02:00
parent ec68c75c62
commit c5fa7ec2a6
3 changed files with 26 additions and 0 deletions
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2
target/linux/generic/config-5.10
View File

@@ -6083,6 +6083,7 @@ CONFIG_TCP_CONG_CUBIC=y
# CONFIG_TEST_STRING_HELPERS is not set
# CONFIG_TEST_STRSCPY is not set
# CONFIG_TEST_SYSCTL is not set
# CONFIG_TEST_UBSAN is not set
# CONFIG_TEST_UDELAY is not set
# CONFIG_TEST_USER_COPY is not set
# CONFIG_TEST_UUID is not set
@@ -6349,6 +6350,7 @@ CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UBIFS_FS_ZSTD=y
# CONFIG_UBSAN is not set
CONFIG_UBSAN_ALIGNMENT=y
# CONFIG_UBSAN_MISC is not set
# CONFIG_UCB1400_CORE is not set
# CONFIG_UCSI is not set
# CONFIG_UDF_FS is not set

1
target/linux/generic/config-5.4
View File

@@ -5631,6 +5631,7 @@ CONFIG_TCP_CONG_CUBIC=y
# CONFIG_TEST_STRING_HELPERS is not set
# CONFIG_TEST_STRSCPY is not set
# CONFIG_TEST_SYSCTL is not set
# CONFIG_TEST_UBSAN is not set
# CONFIG_TEST_UDELAY is not set
# CONFIG_TEST_USER_COPY is not set
# CONFIG_TEST_UUID is not set