Thread (17 messages) 17 messages, 4 authors, 2021-10-02

Re: [syzbot] upstream test error: KASAN: invalid-access Read in __entry_tramp_text_end

From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-09-29 11:43:35
Also in: linux-fsdevel, lkml

On Wed, Sep 29, 2021 at 11:37:30AM +0100, Mark Rutland wrote:
quoted
This is because _ASM_EXTABLE only generates data for another section.
There doesn't need to be code continuity between these two asm
statements.
I think you've missed my point. It doesn't matter that the
asm_volatile_goto() doesn't contain code, and this is solely about the
*state* expected at entry/exit from each asm block being different.
Urgh.. indeed :/

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