Hi, On 5/2/25 7:37 AM, Sergio González Collado wrote: > The kunit test that checks the longests symbol length [1], has triggered > warnings in some pilelines when symbol prefixes are used [2]. The test > is adjunsted to depend on !PREFIX_SYMBOLS and !CFI_CLANG as sujested in [3] > > [1] > https://lore.kernel.org/rust-for-linux/CABVgOSm=5Q0fM6neBhxSbOUHBgNzmwf2V22vsYC10YRBT=k...@mail.gmail.com/T/#t > [2] https://lore.kernel.org/all/[email protected]/T/#u > [3] > https://lore.kernel.org/linux-kselftest/20250427200916.GA1661412@ax162/T/#t > > Signed-off-by: Sergio González Collado <[email protected]> > --- > V1 -> V2: added dependency on !CFI_CLANG as suggested in [3], removed > CONFIG_ prefix
I applied this patch and tested a previously failing case. It still fails. This is on an i386 build: Symbol __gcov_.snnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7n too long for kallsyms (519 >= 512). Please increase KSYM_NAME_LEN both in kernel and kallsyms.c Symbol __gcov0.snnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7n too long for kallsyms (519 >= 512). Please increase KSYM_NAME_LEN both in kernel and kallsyms.c Symbol __gcov_.snnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7n too long for kallsyms (519 >= 512). Please increase KSYM_NAME_LEN both in kernel and kallsyms.c Symbol __gcov0.snnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7n too long for kallsyms (519 >= 512). Please increase KSYM_NAME_LEN both in kernel and kallsyms.c > gcc --version gcc (SUSE Linux) 14.2.1 20250430 [revision 3418d740b344e0ba38022f3bed90540ec3de35dd] The failing i386 randconfig file is attached. > --- > lib/Kconfig.debug | 2 +- > lib/tests/longest_symbol_kunit.c | 3 +-- > 2 files changed, 2 insertions(+), 3 deletions(-) > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index f9051ab610d5..5b33673d82da 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -2885,7 +2885,7 @@ config FORTIFY_KUNIT_TEST > > config LONGEST_SYM_KUNIT_TEST > tristate "Test the longest symbol possible" if !KUNIT_ALL_TESTS > - depends on KUNIT && KPROBES > + depends on KUNIT && KPROBES && !PREFIX_SYMBOLS && !CFI_CLANG > default KUNIT_ALL_TESTS > help > Tests the longest symbol possible > diff --git a/lib/tests/longest_symbol_kunit.c > b/lib/tests/longest_symbol_kunit.c > index e3c28ff1807f..b183fb92d1b2 100644 > --- a/lib/tests/longest_symbol_kunit.c > +++ b/lib/tests/longest_symbol_kunit.c > @@ -3,8 +3,7 @@ > * Test the longest symbol length. Execute with: > * ./tools/testing/kunit/kunit.py run longest-symbol > * --arch=x86_64 --kconfig_add CONFIG_KPROBES=y --kconfig_add > CONFIG_MODULES=y > - * --kconfig_add CONFIG_RETPOLINE=n --kconfig_add CONFIG_CFI_CLANG=n > - * --kconfig_add CONFIG_MITIGATION_RETPOLINE=n > + * --kconfig_add CONFIG_CPU_MITIGATIONS=n > */ > > #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > > base-commit: ebd297a2affadb6f6f4d2e5d975c1eda18ac762d -- ~Randy
config-r9116.gz
Description: application/gzip
