syzbot


KASAN: use-after-free Write in check_noncircular
Status: closed as dup on 2019/07/20 13:02
Reported-by: syzbot+f5ceb7c55f59455035ca@syzkaller.appspotmail.com
First crash: 864d, last: 855d

Cause bisection: introduced by (bisect log) :
commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend <john.fastabend@gmail.com>
Date: Sat Jun 30 13:17:47 2018 +0000

  bpf: sockhash fix omitted bucket lock in sock_close

Crash: KASAN: use-after-free Write in bpf_tcp_close (log)
Repro: syz .config
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
KASAN: slab-out-of-bounds Write in check_noncircular syz done 1 862d 861d

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/07/25 10:19 upstream bed38c3e2dca 32329ceb .config log report syz
ci-upstream-kasan-gce-smack-root 2019/07/16 17:19 upstream 9637d517347e db842eb6 .config log report syz