Messages in this thread | | | From | Sudip Mukherjee <> | Date | Fri, 15 Jul 2022 23:06:10 +0100 | Subject | Re: linux-next: Tree for Jul 14 |
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On Thu, Jul 14, 2022 at 10:24 PM Nathan Chancellor <nathan@kernel.org> wrote: > > Dropping the next list and Stephen as these issues are likely present on > mainline as well. > > On Thu, Jul 14, 2022 at 07:26:27PM +0100, Sudip Mukherjee wrote: > > Hi Nathan, > >
<snip>
> > It has not been as bad with CONFIG_KASAN_STACK force disabled for clang > but it is still there for certain architectures, namely ARCH=arm. I > would be curious to see if all those -Wframe-larger-than instances > disappear with CONFIG_KASAN disabled.
Almost. This is from powerpc allmodconfig of next-20220715 with CONFIG_KASAN disabled.
drivers/block/ublk_drv.c:890:6: error: variable 'io' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (tag >= ubq->q_depth) ^~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:890:2: note: remove the 'if' if its condition is always false if (tag >= ubq->q_depth) ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:887:6: error: variable 'io' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (ubq->ubq_daemon && ubq->ubq_daemon != current) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:887:2: note: remove the 'if' if its condition is always false if (ubq->ubq_daemon && ubq->ubq_daemon != current) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:884:6: error: variable 'io' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (!ubq || ub_cmd->q_id != ubq->q_id) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:884:2: note: remove the 'if' if its condition is always false if (!ubq || ub_cmd->q_id != ubq->q_id) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:884:6: error: variable 'io' is used uninitialized whenever '||' condition is true [-Werror,-Wsometimes-uninitialized] if (!ubq || ub_cmd->q_id != ubq->q_id) ^~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:884:6: note: remove the '||' if its condition is always false if (!ubq || ub_cmd->q_id != ubq->q_id) ^~~~~~~ drivers/block/ublk_drv.c:880:6: error: variable 'io' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (ub_cmd->q_id >= ub->dev_info.nr_hw_queues) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:880:2: note: remove the 'if' if its condition is always false if (ub_cmd->q_id >= ub->dev_info.nr_hw_queues) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:877:6: error: variable 'io' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (!(issue_flags & IO_URING_F_SQE128)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:940:2: note: uninitialized use occurs here io->flags &= ~UBLK_IO_FLAG_ACTIVE; ^~ drivers/block/ublk_drv.c:877:2: note: remove the 'if' if its condition is always false if (!(issue_flags & IO_URING_F_SQE128)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/ublk_drv.c:868:20: note: initialize the variable 'io' to silence this warning struct ublk_io *io; ^ = NULL drivers/block/ublk_drv.c:1304:6: error: variable 'ret' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (!ub) ^~~ drivers/block/ublk_drv.c:1330:9: note: uninitialized use occurs here return ret; ^~~ drivers/block/ublk_drv.c:1304:2: note: remove the 'if' if its condition is always false if (!ub) ^~~~~~~~ drivers/block/ublk_drv.c:1301:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 7 errors generated. _________________________________________________________________________________________________________________
drivers/clk/qcom/gpucc-sm8350.c:111:2: error: initializer element is not a compile-time constant gpu_cc_parent, ^~~~~~~~~~~~~ drivers/clk/qcom/gpucc-sm8350.c:126:2: error: initializer element is not a compile-time constant gpu_cc_parent, ^~~~~~~~~~~~~ 2 errors generated. _________________________________________________________________________________________________________________
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1093:12: error: stack frame size (2112) exceeds limit (2048) in 'vcn_v3_0_start' [-Werror,-Wframe-larger-than] static int vcn_v3_0_start(struct amdgpu_device *adev) ^ 1 error generated. _________________________________________________________________________________________________________________
-- Regards Sudip
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