KASAN: use-after-free Write in do_con_write

We report the crash: "KASAN: use-after-free Write in do_con_write" This crash was found in v4.17-rc3. Specifically, memory access (write operation) is invalid, and it is detected by KASAN. C repro code: https://kiwi.cs.purdue.edu/static/alexkkid-fuzzer/repro-c4a1f8.c kernel conf

Fwd: KASAN: use-after-free Write in do_con_write

-- Forwarded message -- From: Kyungtae Kim Date: Sat, May 12, 2018 at 9:47 AM Subject: KASAN: use-after-free Write in do_con_write To: gre...@linuxfoundation.org, jsl...@suse.com, linux-kernel@vger.kernel.org Cc: Byoungyoung Lee , DaeRyong Jeong We report the crash: "KASAN