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| author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:40:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:40:56 +0200 |
| commit | 251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch) | |
| tree | 3c20c3e080f276848f2ad67aadab44a5d64bfda9 /arch/sparc64/kernel/stacktrace.c | |
| parent | 6679ce6e5f519096612b480d255d9ca97be0c2be (diff) | |
| parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) | |
| download | kernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.tar.gz kernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.tar.xz kernel-crypto-251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3.zip | |
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'arch/sparc64/kernel/stacktrace.c')
| -rw-r--r-- | arch/sparc64/kernel/stacktrace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c index b3e3737750d..e9d7f0660f2 100644 --- a/arch/sparc64/kernel/stacktrace.c +++ b/arch/sparc64/kernel/stacktrace.c @@ -26,13 +26,15 @@ void save_stack_trace(struct stack_trace *trace) /* Bogus frame pointer? */ if (fp < (thread_base + sizeof(struct thread_info)) || - fp >= (thread_base + THREAD_SIZE)) + fp > (thread_base + THREAD_SIZE - sizeof(struct sparc_stackf))) break; sf = (struct sparc_stackf *) fp; regs = (struct pt_regs *) (sf + 1); - if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) { + if (((unsigned long)regs <= + (thread_base + THREAD_SIZE - sizeof(*regs))) && + (regs->magic & ~0x1ff) == PT_REGS_MAGIC) { if (!(regs->tstate & TSTATE_PRIV)) break; pc = regs->tpc; |