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panic: print more informative messages on stackprotect failure
pointed out by pageexec@freemail.hu: we just simply panic() when there's a stackprotector attack - giving the attacked person no information about what kernel code the attack went against. print out the attacked function. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -327,7 +327,8 @@ EXPORT_SYMBOL(warn_on_slowpath);
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*/
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void __stack_chk_fail(void)
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{
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panic("stack-protector: Kernel stack is corrupted");
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panic("stack-protector: Kernel stack is corrupted in: %p\n",
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__builtin_return_address(0));
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}
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EXPORT_SYMBOL(__stack_chk_fail);
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#endif
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