syzbot


BUG: corrupted list in io_file_get
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+6879187cf57845801267@syzkaller.appspotmail.com
Fix commit: f609cbb8911e io_uring: fix list corruption for splice file_get
First crash: 304d, last: 304d

Cause bisection: introduced by (bisect log) :
commit 02a13674fa0e8dd326de8b9f4514b41b03d99003
Author: Jens Axboe <axboe@kernel.dk>
Date: Sat Jan 23 22:49:31 2021 +0000

  io_uring: account io_uring internal files as REQ_F_INFLIGHT

Crash: BUG: corrupted list in io_file_get (log)
Repro: C syz .config

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/01/28 11:31 upstream 76c057c84d28 eefc07f2 .config log report syz C BUG: corrupted list in io_file_get
ci-upstream-kasan-gce 2021/01/28 18:56 upstream 76c057c84d28 7df34f59 .config log report info BUG: corrupted list in io_file_get
ci-upstream-kasan-gce-root 2021/01/28 11:07 upstream 76c057c84d28 eefc07f2 .config log report info BUG: corrupted list in io_file_get