Re: [PATCH] linux-user: Emulate /proc/self/maps under mmap_lock

[Richard Henderson]

On 10/14/24 13:34, Ilya Leoshkevich wrote:
> If one thread modifies the mappings and another thread prints them,
> a situation may occur that the printer thread sees a guest mapping
> without a corresponding host mapping, leading to a crash in
> open_self_maps_2().
>
> Cc: qemu-stable@nongnu.org
> Fixes: 7b7a3366e142 ("linux-user: Use walk_memory_regions for open_self_maps")
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
> ---
>   linux-user/syscall.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Thanks, queued.


r~