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WARNING: refcount bug in free_nsproxy (2)
Status: upstream: reported C repro on 2020/01/14 22:04
Reported-by: syzbot+a98eee31f5df4261d88c@syzkaller.appspotmail.com
First crash: 181d, last: 61d

Cause bisection: introduced by (bisect log):

commit 14215108a1fd7e002c0a1f9faf8fbaf41fdda50d
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Thu Feb 21 05:37:42 2019 +0000

  net_sched: initialize net pointer inside tcf_exts_init()

Crash: KASAN: use-after-free Read in cleanup_net (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING: refcount bug in free_nsproxy 4 834d 858d 6/17 fixed on 2018/05/08 18:30

Sample crash report:

Crashes (103):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/04/07 04:51 upstream 7e634208 99a96044 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/04/03 22:53 upstream bef7b2a7 5ed396e6 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/04/02 13:50 upstream 919dce24 a34e2c33 .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/04/01 20:11 upstream 1a323ea5 a34e2c33 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/31 07:22 upstream 673b41e0 c8d1cc20 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/30 21:40 upstream 7111951b c8d1cc20 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/30 16:55 upstream 7111951b c8d1cc20 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/30 16:48 upstream 7111951b c8d1cc20 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/30 05:31 upstream e595dd94 05736b29 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/29 07:29 upstream 906c4043 05736b29 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/28 23:37 upstream 69c5eea3 f1ebdfba .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/28 23:14 upstream 69c5eea3 f1ebdfba .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/28 14:20 upstream 69c5eea3 f1ebdfba .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/27 02:25 upstream 9420e8ad 6d25c5a0 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/21 20:44 upstream 5ad0ec0b 4288d95e .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/21 19:49 upstream 5ad0ec0b 4288d95e .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/21 18:33 upstream 5ad0ec0b 4288d95e .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/03/18 05:04 upstream ac309e77 97bc55ce .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/18 04:31 upstream ac309e77 97bc55ce .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/03/18 03:42 upstream ac309e77 97bc55ce .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/17 05:33 upstream fb33c651 749688d2 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/17 04:52 upstream fb33c651 749688d2 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/03/17 03:52 upstream fb33c651 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/03/16 20:49 upstream fb33c651 749688d2 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/03/15 06:00 upstream 69a4d0ba 749688d2 .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/03/14 23:06 upstream 69a4d0ba 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/03/13 16:18 upstream 3cc6e2c5 d850e9d0 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/03/12 03:39 upstream e3a36eb6 e7caca8e .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/03/18 05:14 upstream ac309e77 97bc55ce .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/03/17 04:34 upstream fb33c651 749688d2 .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/03/15 21:35 upstream d3dca690 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/03/15 17:29 upstream d3dca690 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/03/13 15:56 upstream 3cc6e2c5 d850e9d0 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/03/17 17:07 net 32ca98fe 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/03/16 20:16 net ef299cc3 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/03/16 00:32 net 0fda7600 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/03/14 00:26 net b09fe70e d850e9d0 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/03/10 18:26 net 23620594 35f53e45 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/03/16 02:14 net-next 5d0ab06b 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/03/15 02:51 net-next 94229d45 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/03/14 14:44 net-next 1d343579 749688d2 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/03/13 12:01 net-next 93e61613 d850e9d0 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/04/10 23:03 linux-next 0434e521 a8c6a3f8 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/04/08 17:50 linux-next 5798bd75 db9bcd4b .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/04/08 13:36 linux-next 5798bd75 db9bcd4b .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/04/07 04:03 linux-next b2e2a818 99a96044 .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/03/29 01:28 linux-next 770fbb32 05736b29 .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/03/28 23:18 linux-next 770fbb32 f1ebdfba .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/03/22 08:48 linux-next 770fbb32 78267cec .config log report syz C 0x7f454c46@gmail.com, allison@lohutok.net, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/03/13 18:37 linux-next 770fbb32 d850e9d0 .config log report syz C 0x7f454c46@gmail.com, armijn@tjaldur.nl, avagin@openvz.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/01/11 18:53 linux-next 6c09d7db 4c04afaa .config log report syz C allison@lohutok.net, armijn@tjaldur.nl, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de