From: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
To: david.laight.linux@gmail.com,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andre Almeida <andrealmeid@igalia.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Christian Brauner <brauner@kernel.org>,
Darren Hart <dvhart@infradead.org>,
Davidlohr Bueso <dave@stgolabs.net>,
Heiko Carstens <hca@linux.ibm.com>, Jan Kara <jack@suse.cz>,
Julia Lawall <Julia.Lawall@inria.fr>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arm-kernel@lists.infradead.org,
linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Nicolas Palix <nicolas.palix@imag.fr>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <pjw@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Russell King <linux@armlinux.org.uk>,
Sven Schnelle <svens@linux.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, Kees Cook <kees@kernel.org>,
akpm@linux-foundation.org
Subject: Re: [PATCH v2 4/5] uaccess: Disable -Wshadow in __scoped_user_access()
Date: Mon, 2 Mar 2026 16:00:26 +0100 [thread overview]
Message-ID: <e54368a9-9118-476d-b999-bcd60847f0ce@kernel.org> (raw)
In-Reply-To: <20260302132755.1475451-5-david.laight.linux@gmail.com>
Le 02/03/2026 à 14:27, david.laight.linux@gmail.com a écrit :
> From: David Laight <david.laight.linux@gmail.com>
>
> -Wshadow is enabled by W=2 builds and __scoped_user_access() quite
> deliberately creates a 'const' shadow of the 'user' address that
> references a 'guard page' when the application passes a kernel pointer.
>
> Signed-off-by: David Laight <david.laight.linux@gmail.com>
There is a problem with this patch:
DESCEND objtool
INSTALL libsubcmd_headers
CALL scripts/checksyscalls.sh
CC kernel/futex/core.o
In file included from ./include/asm-generic/div64.h:27,
from ./arch/powerpc/include/generated/asm/div64.h:1,
from ./include/linux/math.h:6,
from ./include/linux/math64.h:6,
from ./include/linux/time.h:6,
from ./include/linux/compat.h:10,
from kernel/futex/core.c:34:
kernel/futex/futex.h: In function 'futex_get_value_locked':
./include/linux/uaccess.h:740:20: warning: unused variable '_tmpptr'
[-Wunused-variable]
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
./include/linux/compiler.h:396:9: warning: this 'for' clause does not
guard... [-Wmisleading-indentation]
396 | for (declaration; !_with_done; _with_done = true)
| ^~~
./include/linux/compiler.h:394:17: note: in expansion of macro 'and_with'
394 | and_with (declaration)
| ^~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
In file included from ././include/linux/compiler_types.h:173,
from <command-line>:
./include/linux/compiler-gcc.h:118:33: note: ...this statement, but the
latter is misleadingly indented as if it were guarded by the 'for'
118 | #define __diag(s) _Pragma(__diag_str(GCC
diagnostic s))
| ^~~~~~~
./include/linux/compiler-gcc.h:129:9: note: in expansion of macro '__diag'
129 | __diag(__diag_GCC_ignore option)
| ^~~~~~
./include/linux/uaccess.h:742:31: note: in expansion of macro
'__diag_ignore_all'
742 | __diag_push() __diag_ignore_all("-Wshadow",
"uptr is readonly copy") \
| ^~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
In file included from ./include/asm-generic/div64.h:27,
from ./arch/powerpc/include/generated/asm/div64.h:1,
from ./include/linux/math.h:6,
from ./include/linux/math64.h:6,
from ./include/linux/time.h:6,
from ./include/linux/compat.h:10,
from kernel/futex/core.c:34:
./include/linux/uaccess.h:743:90: error: '_tmpptr' undeclared (first use
in this function)
743 | and_with (const auto uptr
__cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
|
^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
./include/linux/uaccess.h:743:90: note: each undeclared identifier is
reported only once for each function it appears in
743 | and_with (const auto uptr
__cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
|
^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
./include/linux/compiler.h:396:28: error: '_with_done' undeclared (first
use in this function)
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~
./include/linux/uaccess.h:743:17: note: in expansion of macro 'and_with'
743 | and_with (const auto uptr
__cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
| ^~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/futex.h:288:16: note: in expansion of macro 'get_user_inline'
288 | return get_user_inline(*dest, from);
| ^~~~~~~~~~~~~~~
kernel/futex/core.c: In function 'get_futex_key':
./include/linux/uaccess.h:740:20: warning: unused variable '_tmpptr'
[-Wunused-variable]
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:584:21: note: in expansion of macro 'get_user_inline'
584 | if (get_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
./include/linux/compiler.h:396:9: warning: this 'for' clause does not
guard... [-Wmisleading-indentation]
396 | for (declaration; !_with_done; _with_done = true)
| ^~~
./include/linux/compiler.h:394:17: note: in expansion of macro 'and_with'
394 | and_with (declaration)
| ^~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:584:21: note: in expansion of macro 'get_user_inline'
584 | if (get_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
In file included from ././include/linux/compiler_types.h:173,
from <command-line>:
./include/linux/compiler-gcc.h:118:33: note: ...this statement, but the
latter is misleadingly indented as if it were guarded by the 'for'
118 | #define __diag(s) _Pragma(__diag_str(GCC
diagnostic s))
| ^~~~~~~
./include/linux/compiler-gcc.h:129:9: note: in expansion of macro '__diag'
129 | __diag(__diag_GCC_ignore option)
| ^~~~~~
./include/linux/uaccess.h:742:31: note: in expansion of macro
'__diag_ignore_all'
742 | __diag_push() __diag_ignore_all("-Wshadow",
"uptr is readonly copy") \
| ^~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:584:21: note: in expansion of macro 'get_user_inline'
584 | if (get_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
In file included from ./include/asm-generic/div64.h:27,
from ./arch/powerpc/include/generated/asm/div64.h:1,
from ./include/linux/math.h:6,
from ./include/linux/math64.h:6,
from ./include/linux/time.h:6,
from ./include/linux/compat.h:10,
from kernel/futex/core.c:34:
./include/linux/uaccess.h:743:90: error: '_tmpptr' undeclared (first use
in this function)
743 | and_with (const auto uptr
__cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
|
^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:584:21: note: in expansion of macro 'get_user_inline'
584 | if (get_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
./include/linux/compiler.h:396:28: error: '_with_done' undeclared (first
use in this function)
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~
./include/linux/uaccess.h:743:17: note: in expansion of macro 'and_with'
743 | and_with (const auto uptr
__cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
| ^~~~~~~~
./include/linux/uaccess.h:755:9: note: in expansion of macro
'__scoped_user_access'
755 | __scoped_user_access(read, usrc, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:767:9: note: in expansion of macro
'scoped_user_read_access_size'
767 | scoped_user_read_access_size(usrc, sizeof(*(usrc)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:831:9: note: in expansion of macro
'scoped_user_read_access'
831 | scoped_user_read_access(_tmpsrc, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:584:21: note: in expansion of macro 'get_user_inline'
584 | if (get_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
./include/linux/uaccess.h:740:20: warning: unused variable '_tmpptr'
[-Wunused-variable]
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~~~~
./include/linux/compiler.h:396:14: note: in definition of macro 'and_with'
396 | for (declaration; !_with_done; _with_done = true)
| ^~~~~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:778:9: note: in expansion of macro
'__scoped_user_access'
778 | __scoped_user_access(write, udst, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:790:9: note: in expansion of macro
'scoped_user_write_access_size'
790 | scoped_user_write_access_size(udst, sizeof(*(udst)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:856:9: note: in expansion of macro
'scoped_user_write_access'
856 | scoped_user_write_access(_tmpdst, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:604:37: note: in expansion of macro 'put_user_inline'
604 | if (node_updated && put_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
./include/linux/compiler.h:396:9: warning: this 'for' clause does not
guard... [-Wmisleading-indentation]
396 | for (declaration; !_with_done; _with_done = true)
| ^~~
./include/linux/compiler.h:394:17: note: in expansion of macro 'and_with'
394 | and_with (declaration)
| ^~~~~~~~
./include/linux/uaccess.h:740:9: note: in expansion of macro 'with'
740 | with (auto _tmpptr = __scoped_user_access_begin(mode,
uptr, size, elbl)) \
| ^~~~
./include/linux/uaccess.h:778:9: note: in expansion of macro
'__scoped_user_access'
778 | __scoped_user_access(write, udst, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:790:9: note: in expansion of macro
'scoped_user_write_access_size'
790 | scoped_user_write_access_size(udst, sizeof(*(udst)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:856:9: note: in expansion of macro
'scoped_user_write_access'
856 | scoped_user_write_access(_tmpdst, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:604:37: note: in expansion of macro 'put_user_inline'
604 | if (node_updated && put_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
In file included from ././include/linux/compiler_types.h:173,
from <command-line>:
./include/linux/compiler-gcc.h:118:33: note: ...this statement, but the
latter is misleadingly indented as if it were guarded by the 'for'
118 | #define __diag(s) _Pragma(__diag_str(GCC
diagnostic s))
| ^~~~~~~
./include/linux/compiler-gcc.h:129:9: note: in expansion of macro '__diag'
129 | __diag(__diag_GCC_ignore option)
| ^~~~~~
./include/linux/uaccess.h:742:31: note: in expansion of macro
'__diag_ignore_all'
742 | __diag_push() __diag_ignore_all("-Wshadow",
"uptr is readonly copy") \
| ^~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:778:9: note: in expansion of macro
'__scoped_user_access'
778 | __scoped_user_access(write, udst, size, elbl)
| ^~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:790:9: note: in expansion of macro
'scoped_user_write_access_size'
790 | scoped_user_write_access_size(udst, sizeof(*(udst)), elbl)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/uaccess.h:856:9: note: in expansion of macro
'scoped_user_write_access'
856 | scoped_user_write_access(_tmpdst, efault) \
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/futex/core.c:604:37: note: in expansion of macro 'put_user_inline'
604 | if (node_updated && put_user_inline(node, naddr))
| ^~~~~~~~~~~~~~~
make[4]: *** [scripts/Makefile.build:289: kernel/futex/core.o] Error 1
make[3]: *** [scripts/Makefile.build:546: kernel/futex] Error 2
make[2]: *** [scripts/Makefile.build:546: kernel] Error 2
make[1]: *** [/home/chleroy/linux-powerpc/Makefile:2101: .] Error 2
make: *** [Makefile:248: __sub-make] Error 2
> ---
> include/linux/uaccess.h | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
> index 64bc2492eb99..445391ec5a6d 100644
> --- a/include/linux/uaccess.h
> +++ b/include/linux/uaccess.h
> @@ -739,7 +739,9 @@ static __always_inline void __scoped_user_rw_access_end(const void *p)
> #define __scoped_user_access(mode, uptr, size, elbl) \
> with (auto _tmpptr = __scoped_user_access_begin(mode, uptr, size, elbl)) \
> /* Force modified pointer usage within the scope */ \
> - and_with (const auto uptr __cleanup(__scoped_user_##mode##_access_end) = _tmpptr)
> + __diag_push() __diag_ignore_all("-Wshadow", "uptr is readonly copy") \
> + and_with (const auto uptr __cleanup(__scoped_user_##mode##_access_end) = _tmpptr) \
> + __diag_pop()
>
> /**
> * scoped_user_read_access_size - Start a scoped user read access with given size
next prev parent reply other threads:[~2026-03-02 15:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 13:27 [PATCH v2 0/5] uaccess: Updates to scoped_user_access() david.laight.linux
2026-03-02 13:27 ` [PATCH v2 1/5] uaccess: Fix scoped_user_read_access() for 'pointer to const' david.laight.linux
2026-03-02 14:59 ` Christophe Leroy (CS GROUP)
2026-03-02 17:26 ` Linus Torvalds
2026-03-02 18:55 ` David Laight
2026-03-02 13:27 ` [PATCH v2 2/5] compiler.h: Add generic support for 'autoterminating nested for() loops' david.laight.linux
2026-03-02 13:27 ` [PATCH v2 3/5] uaccess.h: Use with() and and_with() in __scoped_user_access() david.laight.linux
2026-03-02 13:27 ` [PATCH v2 4/5] uaccess: Disable -Wshadow " david.laight.linux
2026-03-02 15:00 ` Christophe Leroy (CS GROUP) [this message]
2026-03-03 9:12 ` David Laight
2026-03-02 17:17 ` Linus Torvalds
2026-03-05 8:10 ` kernel test robot
2026-03-02 13:27 ` [PATCH v2 next 5/5] signal: Use scoped_user_access() instead of __put/get_user() david.laight.linux
2026-03-02 16:07 ` Christophe Leroy (CS GROUP)
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