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* [PATCH 0/7] minmax: reduce compilation time
@ 2024-07-24 14:26 David Laight
  2024-07-24 14:28 ` [PATCH 1/7] minmax: Put all the clamp() definitions together David Laight
                   ` (7 more replies)
  0 siblings, 8 replies; 60+ messages in thread
From: David Laight @ 2024-07-24 14:26 UTC (permalink / raw)
  To: linux-kernel@vger.kernel.org, Linus Torvalds
  Cc: 'Matthew Wilcox (Oracle)', 'Christoph Hellwig',
	'Andrew Morton', 'Andy Shevchenko',
	'Dan Carpenter', 'Arnd Bergmann',
	'Jason@zx2c4.com', 'hch@infradead.org',
	'pedro.falcato@gmail.com', 'Mateusz Guzik',
	'linux-mm@kvack.org'

The changes to minmax.h that changed the type check to a signedness
check significantly increased the length of the expansion.
In some cases it has also significantly increased compile type.
This is particularly noticeable for nested expansions.

These changes reduce the expansions somewhat.
The biggest change is the last patch that directly implements
min3() and max3() rather than using a nested expansion.

Further significant improvements can be made by removing the
requirement that min(1,2) be 'constant enough' for an array size.
Instead supporting MIN() and MAX() for constants only with a result
that is valid for a static initialiser.
However that needs an initial change to the few files that have
local versions of MIN() or MAX().


David Laight (7):
  minmax: Put all the clamp() definitions together
  minmax: Use _Static_assert() instead of static_assert()
  compiler.h: Add __if_constexpr(expr, if_const, if_not_const)
  minmax: Simplify signedness check
  minmax: Factor out the zero-extension logic from umin/umax.
  minmax: Optimise _Static_assert() check in clamp().
  minmax: minmax: Add __types_ok3() and optimise defines with 3
    arguments

 include/linux/compiler.h |  65 +++++----------
 include/linux/minmax.h   | 176 ++++++++++++++++++++-------------------
 2 files changed, 113 insertions(+), 128 deletions(-)

-- 
2.17.1

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)



^ permalink raw reply	[flat|nested] 60+ messages in thread
* Re: [PATCH 4/7] minmax: Simplify signedness check
@ 2024-07-25 19:28 kernel test robot
  0 siblings, 0 replies; 60+ messages in thread
From: kernel test robot @ 2024-07-25 19:28 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp

:::::: 
:::::: Manual check reason: "low confidence static check first_new_problem: arch/arm64/kvm/hyp/nvhe/page_alloc.c:121:21: sparse: sparse: bad integer constant expression"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <03601661326c4efba4e618ead15fa0e2@AcuMS.aculab.com>
References: <03601661326c4efba4e618ead15fa0e2@AcuMS.aculab.com>
TO: David Laight <David.Laight@ACULAB.COM>
TO: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
TO: "'Linus Torvalds'" <torvalds@linuxfoundation.org>
CC: "'Matthew Wilcox (Oracle)'" <willy@infradead.org>
CC: "'Christoph Hellwig'" <hch@infradead.org>
CC: "'Andrew Morton'" <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: "'Andy Shevchenko'" <andriy.shevchenko@linux.intel.com>
CC: "'Dan Carpenter'" <dan.carpenter@linaro.org>
CC: "'Arnd Bergmann'" <arnd@kernel.org>
CC: "'Jason@zx2c4.com'" <Jason@zx2c4.com>
CC: "'pedro.falcato@gmail.com'" <pedro.falcato@gmail.com>
CC: "'Mateusz Guzik'" <mjguzik@gmail.com>

Hi David,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v6.10 next-20240725]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Laight/minmax-Put-all-the-clamp-definitions-together/20240724-224832
base:   linux/master
patch link:    https://lore.kernel.org/r/03601661326c4efba4e618ead15fa0e2%40AcuMS.aculab.com
patch subject: [PATCH 4/7] minmax: Simplify signedness check
:::::: branch date: 29 hours ago
:::::: commit date: 29 hours ago
config: arm64-randconfig-r132-20240725 (https://download.01.org/0day-ci/archive/20240726/202407260319.rmgaXdIl-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240726/202407260319.rmgaXdIl-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202407260319.rmgaXdIl-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/arm64/kvm/hyp/nvhe/page_alloc.c:121:21: sparse: sparse: bad integer constant expression
>> arch/arm64/kvm/hyp/nvhe/page_alloc.c:121:21: sparse: sparse: static assertion failed: "min(p, buddy) signedness error, fix types or consider umin() before min_t()"

vim +121 arch/arm64/kvm/hyp/nvhe/page_alloc.c

914cde58a03cc5 Quentin Perret     2021-06-08   92  
8e17c66249e9ea Quentin Perret     2021-03-19   93  static void __hyp_attach_page(struct hyp_pool *pool,
8e17c66249e9ea Quentin Perret     2021-03-19   94  			      struct hyp_page *p)
8e17c66249e9ea Quentin Perret     2021-03-19   95  {
72a5bc0f153ce8 Quentin Perret     2022-11-10   96  	phys_addr_t phys = hyp_page_to_phys(p);
87ec0606733e1a Quentin Perret     2021-06-08   97  	unsigned short order = p->order;
8e17c66249e9ea Quentin Perret     2021-03-19   98  	struct hyp_page *buddy;
8e17c66249e9ea Quentin Perret     2021-03-19   99  
8e17c66249e9ea Quentin Perret     2021-03-19  100  	memset(hyp_page_to_virt(p), 0, PAGE_SIZE << p->order);
8e17c66249e9ea Quentin Perret     2021-03-19  101  
72a5bc0f153ce8 Quentin Perret     2022-11-10  102  	/* Skip coalescing for 'external' pages being freed into the pool. */
72a5bc0f153ce8 Quentin Perret     2022-11-10  103  	if (phys < pool->range_start || phys >= pool->range_end)
72a5bc0f153ce8 Quentin Perret     2022-11-10  104  		goto insert;
72a5bc0f153ce8 Quentin Perret     2022-11-10  105  
8e17c66249e9ea Quentin Perret     2021-03-19  106  	/*
8e17c66249e9ea Quentin Perret     2021-03-19  107  	 * Only the first struct hyp_page of a high-order page (otherwise known
8e17c66249e9ea Quentin Perret     2021-03-19  108  	 * as the 'head') should have p->order set. The non-head pages should
8e17c66249e9ea Quentin Perret     2021-03-19  109  	 * have p->order = HYP_NO_ORDER. Here @p may no longer be the head
21ea457842759a Julia Lawall       2022-03-18  110  	 * after coalescing, so make sure to mark it HYP_NO_ORDER proactively.
8e17c66249e9ea Quentin Perret     2021-03-19  111  	 */
8e17c66249e9ea Quentin Perret     2021-03-19  112  	p->order = HYP_NO_ORDER;
23baf831a32c04 Kirill A. Shutemov 2023-03-15  113  	for (; (order + 1) <= pool->max_order; order++) {
8e17c66249e9ea Quentin Perret     2021-03-19  114  		buddy = __find_buddy_avail(pool, p, order);
8e17c66249e9ea Quentin Perret     2021-03-19  115  		if (!buddy)
8e17c66249e9ea Quentin Perret     2021-03-19  116  			break;
8e17c66249e9ea Quentin Perret     2021-03-19  117  
21ea457842759a Julia Lawall       2022-03-18  118  		/* Take the buddy out of its list, and coalesce with @p */
914cde58a03cc5 Quentin Perret     2021-06-08  119  		page_remove_from_list(buddy);
8e17c66249e9ea Quentin Perret     2021-03-19  120  		buddy->order = HYP_NO_ORDER;
8e17c66249e9ea Quentin Perret     2021-03-19 @121  		p = min(p, buddy);
8e17c66249e9ea Quentin Perret     2021-03-19  122  	}
8e17c66249e9ea Quentin Perret     2021-03-19  123  
72a5bc0f153ce8 Quentin Perret     2022-11-10  124  insert:
8e17c66249e9ea Quentin Perret     2021-03-19  125  	/* Mark the new head, and insert it */
8e17c66249e9ea Quentin Perret     2021-03-19  126  	p->order = order;
914cde58a03cc5 Quentin Perret     2021-06-08  127  	page_add_to_list(p, &pool->free_area[order]);
8e17c66249e9ea Quentin Perret     2021-03-19  128  }
8e17c66249e9ea Quentin Perret     2021-03-19  129  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 60+ messages in thread
* Re: [PATCH 4/7] minmax: Simplify signedness check
@ 2024-07-25 20:02 kernel test robot
  0 siblings, 0 replies; 60+ messages in thread
From: kernel test robot @ 2024-07-25 20:02 UTC (permalink / raw)
  To: oe-kbuild; +Cc: lkp

:::::: 
:::::: Manual check reason: "low confidence static check first_new_problem: crypto/skcipher.c:83:16: sparse: sparse: bad integer constant expression"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <03601661326c4efba4e618ead15fa0e2@AcuMS.aculab.com>
References: <03601661326c4efba4e618ead15fa0e2@AcuMS.aculab.com>
TO: David Laight <David.Laight@ACULAB.COM>
TO: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
TO: "'Linus Torvalds'" <torvalds@linuxfoundation.org>
CC: "'Matthew Wilcox (Oracle)'" <willy@infradead.org>
CC: "'Christoph Hellwig'" <hch@infradead.org>
CC: "'Andrew Morton'" <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: "'Andy Shevchenko'" <andriy.shevchenko@linux.intel.com>
CC: "'Dan Carpenter'" <dan.carpenter@linaro.org>
CC: "'Arnd Bergmann'" <arnd@kernel.org>
CC: "'Jason@zx2c4.com'" <Jason@zx2c4.com>
CC: "'pedro.falcato@gmail.com'" <pedro.falcato@gmail.com>
CC: "'Mateusz Guzik'" <mjguzik@gmail.com>

Hi David,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v6.10 next-20240725]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Laight/minmax-Put-all-the-clamp-definitions-together/20240724-224832
base:   linux/master
patch link:    https://lore.kernel.org/r/03601661326c4efba4e618ead15fa0e2%40AcuMS.aculab.com
patch subject: [PATCH 4/7] minmax: Simplify signedness check
:::::: branch date: 29 hours ago
:::::: commit date: 29 hours ago
config: x86_64-randconfig-121-20240725 (https://download.01.org/0day-ci/archive/20240726/202407260322.dNzOOE6d-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240726/202407260322.dNzOOE6d-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202407260322.dNzOOE6d-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> crypto/skcipher.c:83:16: sparse: sparse: bad integer constant expression
>> crypto/skcipher.c:83:16: sparse: sparse: static assertion failed: "max(start, end_page) signedness error, fix types or consider umax() before max_t()"
--
>> mm/percpu.c:3098:24: sparse: sparse: bad integer constant expression
>> mm/percpu.c:3098:24: sparse: sparse: static assertion failed: "min(ptr, base) signedness error, fix types or consider umin() before min_t()"
--
>> drivers/gpu/drm/drm_modes.c:2475:29: sparse: sparse: bad integer constant expression
>> drivers/gpu/drm/drm_modes.c:2475:29: sparse: sparse: static assertion failed: "max(bpp_end_ptr, refresh_end_ptr) signedness error, fix types or consider umax() before max_t()"
--
>> net/ceph/osdmap.c:1773:54: sparse: sparse: bad integer constant expression
>> net/ceph/osdmap.c:1773:54: sparse: sparse: static assertion failed: "min(*p + len, end) signedness error, fix types or consider umin() before min_t()"
   net/ceph/osdmap.c:2000:46: sparse: sparse: bad integer constant expression
   net/ceph/osdmap.c:2000:46: sparse: sparse: static assertion failed: "min(*p+len, end) signedness error, fix types or consider umin() before min_t()"
   net/ceph/osdmap.c:2007:57: sparse: sparse: bad integer constant expression
   net/ceph/osdmap.c:2007:57: sparse: sparse: static assertion failed: "min(*p + len, end) signedness error, fix types or consider umin() before min_t()"
--
   fs/bcachefs/backpointers.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/backpointers.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 28617 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.backpointers.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"backpointers"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/backpointers.c
--
   fs/bcachefs/alloc_background.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/alloc_background.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 28881 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.alloc_background.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"alloc_background"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/alloc_background.c
--
   fs/bcachefs/bkey_sort.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/bkey_sort.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 29305 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.bkey_sort.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"bkey_sort"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/bkey_sort.c
--
   fs/bcachefs/btree_node_scan.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_node_scan.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 29986 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_node_scan.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_node_scan"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_node_scan.c
--
   fs/bcachefs/btree_gc.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_gc.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 30092 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_gc.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_gc"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_gc.c
--
   fs/bcachefs/btree_io.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_io.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 30290 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_io.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_io"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_io.c
--
   fs/bcachefs/btree_trans_commit.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_trans_commit.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 30315 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_trans_commit.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_trans_commit"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_trans_commit.c
--
   fs/bcachefs/btree_write_buffer.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_write_buffer.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 30821 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_write_buffer.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_write_buffer"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_write_buffer.c
--
   fs/bcachefs/btree_update_interior.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/btree_update_interior.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 31082 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.btree_update_interior.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"btree_update_interior"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/btree_update_interior.c
--
   fs/bcachefs/debug.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/debug.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 31969 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.debug.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"debug"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/debug.c
--
   fs/bcachefs/extent_update.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/extent_update.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 32636 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.extent_update.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"extent_update"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/extent_update.c
--
   fs/bcachefs/journal_io.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/journal_io.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 34455 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.journal_io.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"journal_io"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/journal_io.c
--
   fs/bcachefs/migrate.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/migrate.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 34697 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.migrate.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"migrate"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/migrate.c
--
>> fs/bcachefs/printbuf.c:103:29: sparse: sparse: bad integer constant expression
>> fs/bcachefs/printbuf.c:103:29: sparse: sparse: static assertion failed: "min(n, (char *) memscan(p, '\r', len)) signedness error, fix types or consider umin() before min_t()"
   fs/bcachefs/printbuf.c:104:29: sparse: sparse: bad integer constant expression
>> fs/bcachefs/printbuf.c:104:29: sparse: sparse: static assertion failed: "min(n, (char *) memscan(p, '\t', len)) signedness error, fix types or consider umin() before min_t()"
--
   fs/bcachefs/move.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/move.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 35027 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.move.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"move"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/move.c
--
   fs/bcachefs/recovery.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/recovery.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 35483 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.recovery.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"recovery"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/recovery.c
--
   fs/bcachefs/sb-clean.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/sb-clean.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 35855 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.sb-clean.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"sb_clean"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/sb-clean.c
--
   fs/bcachefs/sysfs.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/sysfs.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 36978 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.sysfs.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"sysfs"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/sysfs.c
--
   fs/bcachefs/super.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/super.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 37065 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.super.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"super"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/super.c
--
   fs/bcachefs/trace.c: note: in included file:
   fs/bcachefs/bcachefs.h:993:9: sparse: sparse: array of flexible structures
   fs/bcachefs/trace.c: note: in included file:
>> fs/bcachefs/btree_update_interior.h:278:40: sparse: sparse: bad integer constant expression
   *** buffer overflow detected ***: terminated
   /bin/bash: line 1: 37416 Aborted                 sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -Wno-return-void -Wno-unknown-attribute -fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited -D__x86_64__ --arch=x86_64 -mlittle-endian -m64 -Wp,-MMD,fs/bcachefs/.trace.o.d -nostdinc -Iarch/x86/include -I./arch/x86/include/generated -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -Wundef -DKBUILD_EXTRA_WARN1 -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -march=k8 -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Os --param=allow-store-data-races=0 -fstack-protector-strong -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -falign-functions=16 -fno-strict-overflow -fno-stack-check -fconserve-stack -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=8192 -Wno-main -Wvla -Wno-pointer-sign -Wno-stringop-overflow -Wimplicit-fallthrough=5 -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wextra -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-maybe-uninitialized -Wno-sign-compare -Wno-unused-parameter -g -fno-var-tracking -femit-struct-debug-baseonly -fplugin=./scripts/gcc-plugins/structleak_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DSTRUCTLEAK_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -fplugin-arg-stackleak_plugin-arch=x86 -Wno-missing-prototypes -Wno-missing-declarations -Wno-override-init -Wtautological-compare -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef -Wformat-overflow -Wformat-truncation -Wrestrict -Wno-psabi -Ifs/bcachefs -Ifs/bcachefs -DKBUILD_MODFILE='"fs/bcachefs/bcachefs"' -DKBUILD_BASENAME='"trace"' -DKBUILD_MODNAME='"bcachefs"' -D__KBUILD_MODNAME=kmod_bcachefs fs/bcachefs/trace.c
--
>> lib/lzo/lzo1x_compress.c:53:54: sparse: sparse: bad integer constant expression
>> lib/lzo/lzo1x_compress.c:53:54: sparse: sparse: static assertion failed: "min(ip_end, ip + (2047 + 4) + 1) signedness error, fix types or consider umin() before min_t()"
--
>> fs/ntfs3/lznt.c:157:16: sparse: sparse: bad integer constant expression
>> fs/ntfs3/lznt.c:157:16: sparse: sparse: static assertion failed: "min(cmpr + 0x1000 + sizeof(short), cmpr_end) signedness error, fix types or consider umin() before min_t()"

vim +83 crypto/skcipher.c

b286d8b1a69066 Herbert Xu 2016-11-22  75  
b286d8b1a69066 Herbert Xu 2016-11-22  76  /* Get a spot of the specified length that does not straddle a page.
b286d8b1a69066 Herbert Xu 2016-11-22  77   * The caller needs to ensure that there is enough space for this operation.
b286d8b1a69066 Herbert Xu 2016-11-22  78   */
b286d8b1a69066 Herbert Xu 2016-11-22  79  static inline u8 *skcipher_get_spot(u8 *start, unsigned int len)
b286d8b1a69066 Herbert Xu 2016-11-22  80  {
b286d8b1a69066 Herbert Xu 2016-11-22  81  	u8 *end_page = (u8 *)(((unsigned long)(start + len - 1)) & PAGE_MASK);
b286d8b1a69066 Herbert Xu 2016-11-22  82  
b286d8b1a69066 Herbert Xu 2016-11-22 @83  	return max(start, end_page);
b286d8b1a69066 Herbert Xu 2016-11-22  84  }
b286d8b1a69066 Herbert Xu 2016-11-22  85  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 60+ messages in thread

end of thread, other threads:[~2024-07-30 10:37 UTC | newest]

Thread overview: 60+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-07-24 14:26 [PATCH 0/7] minmax: reduce compilation time David Laight
2024-07-24 14:28 ` [PATCH 1/7] minmax: Put all the clamp() definitions together David Laight
2024-07-24 14:29 ` [PATCH 2/7] minmax: Use _Static_assert() instead of static_assert() David Laight
2024-07-24 14:29 ` [PATCH 3/7] compiler.h: Add __if_constexpr(expr, if_const, if_not_const) David Laight
2024-07-24 17:32   ` Arnd Bergmann
2024-07-25  9:12     ` David Laight
2024-07-24 19:48   ` Linus Torvalds
2024-07-25  8:45     ` David Laight
2024-07-24 14:30 ` [PATCH 4/7] minmax: Simplify signedness check David Laight
2024-07-24 16:48   ` Arnd Bergmann
2024-07-24 20:02     ` Linus Torvalds
2024-07-25  9:00       ` David Laight
2024-07-25 17:02         ` Linus Torvalds
2024-07-26  9:43           ` Lorenzo Stoakes
2024-07-26 12:57             ` David Laight
2024-07-26 13:27               ` Lorenzo Stoakes
2024-07-25 13:24   ` kernel test robot
2024-07-25 16:39     ` David Laight
2024-07-24 14:31 ` [PATCH 5/7] minmax: Factor out the zero-extension logic from umin/umax David Laight
2024-07-24 14:32 ` [PATCH 6/7] minmax: Optimise _Static_assert() check in clamp() David Laight
2024-07-24 14:33 ` [PATCH 7/7] minmax: minmax: Add __types_ok3() and optimise defines with 3 arguments David Laight
2024-07-24 17:03   ` Arnd Bergmann
2024-07-25  9:07     ` David Laight
2024-07-24 19:34 ` [PATCH 0/7] minmax: reduce compilation time Lorenzo Stoakes
2024-07-24 19:52   ` Linus Torvalds
2024-07-26 18:12     ` Lorenzo Stoakes
2024-07-26 18:24       ` Linus Torvalds
2024-07-26 18:56         ` Lorenzo Stoakes
2024-07-26 19:21           ` Lorenzo Stoakes
2024-07-26 21:36             ` Linus Torvalds
2024-07-26 21:46               ` Jens Axboe
2024-07-26 22:48               ` Linus Torvalds
2024-07-27 15:30                 ` Jens Axboe
2024-07-27 15:38                   ` Jens Axboe
2024-07-27 16:31                     ` Lorenzo Stoakes
2024-07-27 16:36                       ` Jens Axboe
2024-07-27 16:41                         ` Lorenzo Stoakes
2024-07-27 16:52                           ` Jens Axboe
2024-07-27 16:56                             ` Lorenzo Stoakes
2024-07-28 11:32                       ` David Laight
2024-07-27  4:13               ` Linus Torvalds
2024-07-27  4:14                 ` Linus Torvalds
2024-07-27  8:08                 ` David Laight
2024-07-27 18:58                   ` Lorenzo Stoakes
2024-07-27 19:21                     ` Linus Torvalds
2024-07-28 11:17                     ` David Laight
2024-07-28 13:07                       ` Lorenzo Stoakes
2024-07-27 17:33                 ` Matthew Wilcox
2024-07-27 18:16                   ` Linus Torvalds
2024-07-27  8:07             ` Lorenzo Stoakes
2024-07-27 16:26               ` Linus Torvalds
2024-07-27 18:44                 ` Lorenzo Stoakes
2024-07-30  4:10                 ` Linus Torvalds
2024-07-30 10:36                   ` Arnd Bergmann
2024-07-28 17:57           ` Geert Uytterhoeven
2024-07-28 18:43             ` Lorenzo Stoakes
2024-07-26 21:32         ` David Laight
2024-07-26 21:38           ` Linus Torvalds
  -- strict thread matches above, loose matches on Subject: below --
2024-07-25 19:28 [PATCH 4/7] minmax: Simplify signedness check kernel test robot
2024-07-25 20:02 kernel test robot

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