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| author | Jiri Kosina <jkosina@suse.cz> | 2010-10-30 22:16:56 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-10-30 22:16:56 +0200 |
| commit | f1e095f1d206b81b44160f41278ce5c78641e9b7 (patch) | |
| tree | bd293d46d2d3e4cdf435a22ddb2877c6ba1b8acc /arch/sparc/mm/fault_32.c | |
| parent | b0438a1b71955c425c304a2a483765ef24841766 (diff) | |
| parent | 1792f17b7210280a3d7ff29da9614ba779cfcedb (diff) | |
Merge branch 'master' into for-next
Diffstat (limited to 'arch/sparc/mm/fault_32.c')
| -rw-r--r-- | arch/sparc/mm/fault_32.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index bd8601601afa..5b836f5aea90 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -539,6 +539,12 @@ do_sigbus: __do_fault_siginfo(BUS_ADRERR, SIGBUS, tsk->thread.kregs, address); } +static void check_stack_aligned(unsigned long sp) +{ + if (sp & 0x7UL) + force_sig(SIGILL, current); +} + void window_overflow_fault(void) { unsigned long sp; @@ -547,6 +553,8 @@ void window_overflow_fault(void) if(((sp + 0x38) & PAGE_MASK) != (sp & PAGE_MASK)) force_user_fault(sp + 0x38, 1); force_user_fault(sp, 1); + + check_stack_aligned(sp); } void window_underflow_fault(unsigned long sp) @@ -554,6 +562,8 @@ void window_underflow_fault(unsigned long sp) if(((sp + 0x38) & PAGE_MASK) != (sp & PAGE_MASK)) force_user_fault(sp + 0x38, 0); force_user_fault(sp, 0); + + check_stack_aligned(sp); } void window_ret_fault(struct pt_regs *regs) @@ -564,4 +574,6 @@ void window_ret_fault(struct pt_regs *regs) if(((sp + 0x38) & PAGE_MASK) != (sp & PAGE_MASK)) force_user_fault(sp + 0x38, 0); force_user_fault(sp, 0); + + check_stack_aligned(sp); } |