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| author | Markos Chandras <markos.chandras@imgtec.com> | 2014-07-24 13:10:01 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-08-19 18:24:39 +0200 |
| commit | 40381529f84c4cda3bd2d20cab6a707508856b21 (patch) | |
| tree | 6705ac7d22a0a1ccaa95f5f192329ef8e77e6bdd /arch/mips | |
| parent | MIPS: Loongson: Fix COP2 usage for preemptible kernel (diff) | |
| download | linux-40381529f84c4cda3bd2d20cab6a707508856b21.tar.xz linux-40381529f84c4cda3bd2d20cab6a707508856b21.zip | |
MIPS: syscall: Fix AUDIT value for O32 processes on MIPS64
On MIPS64, O32 processes set both TIF_32BIT_ADDR and
TIF_32BIT_REGS so the previous condition treated O32 applications
as N32 when evaluating seccomp filters. Fix the condition to check
both TIF_32BIT_{REGS, ADDR} for the N32 AUDIT flag.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: http://patchwork.linux-mips.org/patch/7480/
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/syscall.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 17960fe7a8ce..cdf68b33bd65 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -131,10 +131,12 @@ static inline int syscall_get_arch(void) { int arch = EM_MIPS; #ifdef CONFIG_64BIT - if (!test_thread_flag(TIF_32BIT_REGS)) + if (!test_thread_flag(TIF_32BIT_REGS)) { arch |= __AUDIT_ARCH_64BIT; - if (test_thread_flag(TIF_32BIT_ADDR)) - arch |= __AUDIT_ARCH_CONVENTION_MIPS64_N32; + /* N32 sets only TIF_32BIT_ADDR */ + if (test_thread_flag(TIF_32BIT_ADDR)) + arch |= __AUDIT_ARCH_CONVENTION_MIPS64_N32; + } #endif #if defined(__LITTLE_ENDIAN) arch |= __AUDIT_ARCH_LE; |