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From: Gordon Malm <gengor@gentoo.org>
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Add offender's IP to PAX_REFCOUNT log messages if it is available.
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--- a/fs/exec.c
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+++ b/fs/exec.c
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@@ -1710,7 +1710,13 @@ void pax_report_fault(struct pt_regs *re
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#ifdef CONFIG_PAX_REFCOUNT
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void pax_report_refcount_overflow(struct pt_regs *regs)
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{
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- printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
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+#ifdef CONFIG_GRKERNSEC
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+ if (current->signal->curr_ip)
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+ printk(KERN_ERR "PAX: From %u.%u.%u.%u: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
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+ NIPQUAD(current->signal->curr_ip), current->comm, task_pid_nr(current), current->uid, current->euid);
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+ else
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+#endif
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+ printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n",
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current->comm, task_pid_nr(current), current->uid, current->euid);
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print_symbol(KERN_ERR "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs));
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show_registers(regs);
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