lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri, 21 Oct 2022 15:18:03 -0700
From:   Rick Edgecombe <rick.p.edgecombe@...el.com>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, rick.p.edgecombe@...el.com,
        keescook@...omium.org, ebiederm@...ssion.com
Subject: [PATCH 2/2] x86: Improve formatting of user_regset arrays

Back in 2018, Ingo Molnar suggested[0] to improve the formatting of the
struct user_regset arrays. They have multiple member initializations per
line and some lines exceed 100 chars. Reformat them like he suggested.

[0] https://lore.kernel.org/lkml/20180711102035.GB8574@gmail.com/

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
---

 - Drop Kees' Reviewed-by, as I had to redo it with the new REGSET64_FOO
   format.

 arch/x86/kernel/ptrace.c | 107 ++++++++++++++++++++++++---------------
 1 file changed, 65 insertions(+), 42 deletions(-)

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 356495ab37a6..dfaa270a7cc9 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1235,28 +1235,37 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 
 static struct user_regset x86_64_regsets[] __ro_after_init = {
 	[REGSET64_GENERAL] = {
-		.core_note_type = NT_PRSTATUS,
-		.n = sizeof(struct user_regs_struct) / sizeof(long),
-		.size = sizeof(long), .align = sizeof(long),
-		.regset_get = genregs_get, .set = genregs_set
+		.core_note_type	= NT_PRSTATUS,
+		.n		= sizeof(struct user_regs_struct) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.regset_get	= genregs_get,
+		.set		= genregs_set
 	},
 	[REGSET64_FP] = {
-		.core_note_type = NT_PRFPREG,
-		.n = sizeof(struct fxregs_state) / sizeof(long),
-		.size = sizeof(long), .align = sizeof(long),
-		.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+		.core_note_type	= NT_PRFPREG,
+		.n		= sizeof(struct fxregs_state) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.active		= regset_xregset_fpregs_active,
+		.regset_get	= xfpregs_get,
+		.set		= xfpregs_set
 	},
 	[REGSET64_XSTATE] = {
-		.core_note_type = NT_X86_XSTATE,
-		.size = sizeof(u64), .align = sizeof(u64),
-		.active = xstateregs_active, .regset_get = xstateregs_get,
-		.set = xstateregs_set
+		.core_note_type	= NT_X86_XSTATE,
+		.size		= sizeof(u64),
+		.align		= sizeof(u64),
+		.active		= xstateregs_active,
+		.regset_get	= xstateregs_get,
+		.set		= xstateregs_set
 	},
 	[REGSET64_IOPERM] = {
-		.core_note_type = NT_386_IOPERM,
-		.n = IO_BITMAP_LONGS,
-		.size = sizeof(long), .align = sizeof(long),
-		.active = ioperm_active, .regset_get = ioperm_get
+		.core_note_type	= NT_386_IOPERM,
+		.n		= IO_BITMAP_LONGS,
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.active		= ioperm_active,
+		.regset_get	= ioperm_get
 	},
 };
 
@@ -1276,42 +1285,56 @@ static const struct user_regset_view user_x86_64_view = {
 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
 static struct user_regset x86_32_regsets[] __ro_after_init = {
 	[REGSET32_GENERAL] = {
-		.core_note_type = NT_PRSTATUS,
-		.n = sizeof(struct user_regs_struct32) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.regset_get = genregs32_get, .set = genregs32_set
+		.core_note_type	= NT_PRSTATUS,
+		.n		= sizeof(struct user_regs_struct32) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.regset_get	= genregs32_get,
+		.set		= genregs32_set
 	},
 	[REGSET32_FP] = {
-		.core_note_type = NT_PRFPREG,
-		.n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = regset_fpregs_active, .regset_get = fpregs_get, .set = fpregs_set
+		.core_note_type	= NT_PRFPREG,
+		.n		= sizeof(struct user_i387_ia32_struct) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= regset_fpregs_active,
+		.regset_get	= fpregs_get,
+		.set		= fpregs_set
 	},
 	[REGSET32_XFP] = {
-		.core_note_type = NT_PRXFPREG,
-		.n = sizeof(struct fxregs_state) / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+		.core_note_type	= NT_PRXFPREG,
+		.n		= sizeof(struct fxregs_state) / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= regset_xregset_fpregs_active,
+		.regset_get	= xfpregs_get,
+		.set		= xfpregs_set
 	},
 	[REGSET32_XSTATE] = {
-		.core_note_type = NT_X86_XSTATE,
-		.size = sizeof(u64), .align = sizeof(u64),
-		.active = xstateregs_active, .regset_get = xstateregs_get,
-		.set = xstateregs_set
+		.core_note_type	= NT_X86_XSTATE,
+		.size		= sizeof(u64),
+		.align		= sizeof(u64),
+		.active		= xstateregs_active,
+		.regset_get	= xstateregs_get,
+		.set		= xstateregs_set
 	},
 	[REGSET32_TLS] = {
-		.core_note_type = NT_386_TLS,
-		.n = GDT_ENTRY_TLS_ENTRIES, .bias = GDT_ENTRY_TLS_MIN,
-		.size = sizeof(struct user_desc),
-		.align = sizeof(struct user_desc),
-		.active = regset_tls_active,
-		.regset_get = regset_tls_get, .set = regset_tls_set
+		.core_note_type	= NT_386_TLS,
+		.n		= GDT_ENTRY_TLS_ENTRIES,
+		.bias		= GDT_ENTRY_TLS_MIN,
+		.size		= sizeof(struct user_desc),
+		.align		= sizeof(struct user_desc),
+		.active		= regset_tls_active,
+		.regset_get	= regset_tls_get,
+		.set		= regset_tls_set
 	},
 	[REGSET32_IOPERM] = {
-		.core_note_type = NT_386_IOPERM,
-		.n = IO_BITMAP_BYTES / sizeof(u32),
-		.size = sizeof(u32), .align = sizeof(u32),
-		.active = ioperm_active, .regset_get = ioperm_get
+		.core_note_type	= NT_386_IOPERM,
+		.n		= IO_BITMAP_BYTES / sizeof(u32),
+		.size		= sizeof(u32),
+		.align		= sizeof(u32),
+		.active		= ioperm_active,
+		.regset_get	= ioperm_get
 	},
 };
 
-- 
2.17.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ