next-20241216: drivers/crypto/qce/sha.c:365:3: error: cannot jump from this goto statement to its label

From: Naresh Kamboju
Date: Mon Dec 16 2024 - 11:37:20 EST


The arm and arm64 builds failed on Linux next-20241216 due to following
build warnings / errors with clang-19 and clang-nightly toolchain.
Whereas the gcc-13 builds pass.

arm, arm64:
* build/clang-19-defconfig
* build/clang-nightly-defconfig

First seen on Linux next-20241216.
Good: next-20241216
Bad: next-20241213

Build log:
-----------
fs/netfs/read_retry.c:235:20: warning: variable 'subreq' is
uninitialized when used here [-Wuninitialized]
235 | if (list_is_last(&subreq->rreq_link, &stream->subrequests))
| ^~~~~~
fs/netfs/read_retry.c:28:36: note: initialize the variable 'subreq' to
silence this warning
28 | struct netfs_io_subrequest *subreq;
| ^
| = NULL
1 warning generated.
drivers/crypto/qce/sha.c:365:3: error: cannot jump from this goto
statement to its label
365 | goto err_free_ahash;
| ^
drivers/crypto/qce/sha.c:373:6: note: jump bypasses initialization of
variable with __attribute__((cleanup))
373 | u8 *buf __free(kfree) = kzalloc(keylen + QCE_MAX_ALIGN_SIZE,
| ^
1 error generated.

Links:
-------
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26350650/suite/build/test/clang-19-defconfig/log
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26350650/suite/build/test/clang-19-defconfig/history/
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241216/testrun/26351207/suite/build/test/clang-19-defconfig/details/
- https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa6j5c1HY3GRZFGrxu2ELo3f/

Steps to reproduce:
------------
# tuxmake --runtime podman --target-arch arm64 --toolchain clang-19
--kconfig defconfig LLVM=1 LLVM_IAS=1

metadata:
----
git describe: next-20241216
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git sha: e25c8d66f6786300b680866c0e0139981273feba
kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa8wFmfrlj0VdDqAG408o3l2/config
build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2qHsa8wFmfrlj0VdDqAG408o3l2/
toolchain: clang-19
config: clang-19-defconfig
arch: arm64, arm

--
Linaro LKFT
https://lkft.linaro.org