Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as... | linux-arch

[RFC][CFT][PATCHSET] saner calling conventions for csum-and-copy primitives · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-21
[PATCH 01/18] skb_copy_and_csum_bits(): don't bother with the last argument · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 06/18] alpha: propagate the calling convention changes down to csum_partial_copy.c helpers · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 07/18] arm: propagate the calling convention changes down to csum_partial_copy_from_user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 10/18] i386: propagate the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 18/18] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 15/18] xtensa: propagate the calling conventions change down into csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
Re: [PATCH 15/18] xtensa: propagate the calling conventions change down into csum_partial_copy_generic() · Max Filippov <jcmvbkbc@gmail.com> · 2020-07-22
[PATCH 17/18] amd64: switch csum_partial_copy_generic() to new calling conventions · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 16/18] sparc64: propagate the calling convention changes down to __csum_partial_copy_...() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
Re: [PATCH 16/18] sparc64: propagate the calling convention changes down to __csum_partial_copy_...() · David Miller <davem@davemloft.net> · 2020-07-22
[PATCH 14/18] mips: propagate the calling convention change down into __csum_partial_copy_..._user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 11/18] sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
Re: [PATCH 11/18] sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic() · David Miller <davem@davemloft.net> · 2020-07-22
[PATCH 13/18] mips: __csum_partial_copy_kernel() has no users left · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 12/18] mips: csum_and_copy_{to,from}_user() are never called under KERNEL_DS · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 09/18] sh: propage the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 05/18] saner calling conventions for csum_and_copy_..._user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 08/18] m68k: get rid of zeroing destination on error in csum_and_copy_from_user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 02/18] icmp_push_reply(): reorder adding the checksum up · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 03/18] csum_partial_copy_nocheck(): drop the last argument · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
[PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-21
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Linus Torvalds <torvalds@linux-foundation.org> · 2020-07-21
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Linus Torvalds <torvalds@linux-foundation.org> · 2020-07-21
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-21
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Linus Torvalds <torvalds@linux-foundation.org> · 2020-07-21
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-25
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-22
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-22
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-22
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-22
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-22
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-22
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-22
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-23
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-23
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-23
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-23
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-23
Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-23
RE: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · David Laight <hidden> · 2020-07-23
[RFC][CFT][PATCHSET v2] saner calling conventions for csum-and-copy primitives · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-24
[PATCH v2 01/20] xtensa: fix access check in csum_and_copy_from_user · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 07/20] saner calling conventions for csum_and_copy_..._user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 16/20] mips: propagate the calling convention change down into __csum_partial_copy_..._user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · "Jason A. Donenfeld" <Jason@zx2c4.com> · 2020-10-14
[PATCH] powerpc32: don't adjust unmoved stack pointer in csum_partial_copy_generic() epilogue · "Jason A. Donenfeld" <Jason@zx2c4.com> · 2020-10-14
Re: [PATCH] powerpc32: don't adjust unmoved stack pointer in csum_partial_copy_generic() epilogue · Linus Torvalds <torvalds@linux-foundation.org> · 2020-10-15
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · Linus Torvalds <torvalds@linux-foundation.org> · 2020-10-15
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · "Jason A. Donenfeld" <Jason@zx2c4.com> · 2020-10-14
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · Linus Torvalds <torvalds@linux-foundation.org> · 2020-10-15
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · "Jason A. Donenfeld" <Jason@zx2c4.com> · 2020-10-14
Re: [PATCH v2 20/20] ppc: propagate the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@zeniv.linux.org.uk> · 2020-10-15
[PATCH v2 17/20] xtensa: propagate the calling conventions change down into csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 19/20] amd64: switch csum_partial_copy_generic() to new calling conventions · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 18/20] sparc64: propagate the calling convention changes down to __csum_partial_copy_...() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 13/20] sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 15/20] mips: __csum_partial_copy_kernel() has no users left · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 14/20] mips: csum_and_copy_{to,from}_user() are never called under KERNEL_DS · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 12/20] i386: propagate the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 11/20] sh: propage the calling conventions change down to csum_partial_copy_generic() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 10/20] m68k: get rid of zeroing destination on error in csum_and_copy_from_user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 05/20] csum_partial_copy_nocheck(): drop the last argument · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 09/20] arm: propagate the calling convention changes down to csum_partial_copy_from_user() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 08/20] alpha: propagate the calling convention changes down to csum_partial_copy.c helpers · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Christoph Hellwig <hch@infradead.org> · 2020-07-24
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-24
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Christoph Hellwig <hch@infradead.org> · 2020-07-24
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-24
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Christoph Hellwig <hch@infradead.org> · 2020-07-26
Re: [PATCH v2 04/20] unify generic instances of csum_partial_copy_nocheck() · Al Viro <viro@zeniv.linux.org.uk> · 2020-07-27
[PATCH v2 06/20] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 03/20] icmp_push_reply(): reorder adding the checksum up · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24
[PATCH v2 02/20] skb_copy_and_csum_bits(): don't bother with the last argument · Al Viro <viro@ZenIV.linux.org.uk> · 2020-07-24

Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: 2020-07-21 21:17:15
Also in: lkml

On Tue, Jul 21, 2020 at 2:11 PM Al Viro [off-list ref] wrote:

quoted

But I didn't check. Maybe we don't have anything that stupid in the kernel.

I did.

So then the commit message really should have said so, I feel. That
would have avoided the whole worry, and made it clear that it's not an
issue.

                Linus

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