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| author | Andy Lutomirski <luto@amacapital.net> | 2015-03-09 17:42:31 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-10 04:21:51 +0100 |
| commit | 394838c96013ba414a24ffe7a2a593a9154daadf (patch) | |
| tree | cd067f8daf7042d9ec8fe4750106e352c6d5e620 | |
| parent | e893286918d2cde3a94850d8f7101cd1039e0c62 (diff) | |
| download | linux-394838c96013ba414a24ffe7a2a593a9154daadf.tar.gz linux-394838c96013ba414a24ffe7a2a593a9154daadf.tar.bz2 linux-394838c96013ba414a24ffe7a2a593a9154daadf.zip | |
x86/asm/entry/32: Fix user_mode() misuses
The one in do_debug() is probably harmless, but better safe than sorry.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: <stable@vger.kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/d67deaa9df5458363623001f252d1aee3215d014.1425948056.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/x86/kernel/traps.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 9d2073e2ecc9..4ff5d162ff9f 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -384,7 +384,7 @@ dotraplinkage void do_bounds(struct pt_regs *regs, long error_code) goto exit; conditional_sti(regs); - if (!user_mode(regs)) + if (!user_mode_vm(regs)) die("bounds", regs, error_code); if (!cpu_feature_enabled(X86_FEATURE_MPX)) { @@ -637,7 +637,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code) * then it's very likely the result of an icebp/int01 trap. * User wants a sigtrap for that. */ - if (!dr6 && user_mode(regs)) + if (!dr6 && user_mode_vm(regs)) user_icebp = 1; /* Catch kmemcheck conditions first of all! */ |