Re: [PATCH AUTOSEL 5.0 152/262] x86/kprobes: Prohibit probing on IRQ handlers directly

2019-04-03 Thread Sasha Levin
On Thu, Mar 28, 2019 at 09:51:19AM +0900, Masami Hiramatsu wrote: Hi Sasha, Could you drop this? This prevents probing too much functions, and we will drop it from upstream. Anyway, commit a50480cb6d61 ("kprobes/x86: Blacklist non-attachable interrupt functions") fixes same issue. So please

Re: [PATCH AUTOSEL 5.0 152/262] x86/kprobes: Prohibit probing on IRQ handlers directly

2019-03-27 Thread Masami Hiramatsu
Hi Sasha, Could you drop this? This prevents probing too much functions, and we will drop it from upstream. Anyway, commit a50480cb6d61 ("kprobes/x86: Blacklist non-attachable interrupt functions") fixes same issue. So please pick it instead of this. Thank you, On Wed, 27 Mar 2019 14:00:07

[PATCH AUTOSEL 5.0 152/262] x86/kprobes: Prohibit probing on IRQ handlers directly

2019-03-27 Thread Sasha Levin
From: Masami Hiramatsu [ Upstream commit 0eae81dc9f026d899c70f3931bf3bca6d7aa6938 ] Prohibit probing on IRQ handlers in irqentry_text because if it interrupts user mode, at that point we haven't changed to kernel space yet and which eventually leads a double fault. E.g. # echo p