syzbot


KASAN: null-ptr-deref Write in get_block
Status: upstream: reported C repro on 2020/03/21 10:10
Reported-by: syzbot+4a88b2b9dc280f47baf4@syzkaller.appspotmail.com
Fix commit: fs/minix: check return value of sb_getblk()
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 146d, last: 29d

Cause bisection: the bug happens on the oldest tested release
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

Sample crash report:

Crashes (101):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-qemu-upstream 2020/06/19 11:29 upstream 435faf5c bc258b50 .config log report syz C akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/05/15 11:54 upstream 1ae7efb3 2d572622 .config log report syz C aeb@cwi.nl, deepa.kernel@gmail.com, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/04/11 19:08 upstream 5b8b9d0c a8c6a3f8 .config log report syz C danarag@gmail.com, deepa.kernel@gmail.com, dvlasenk@redhat.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/11 10:08 upstream ab6f762f a8c6a3f8 .config log report syz C deepa.kernel@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/11 09:41 upstream ab6f762f a8c6a3f8 .config log report syz C aeb@cwi.nl, akpm@linux-foundation.org, deepa.kernel@gmail.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/11 09:07 upstream ab6f762f a8c6a3f8 .config log report syz C danarag@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/17 10:35 upstream fb33c651 749688d2 .config log report syz C aeb@cwi.nl, danarag@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/04/14 16:55 linux-next f19bb13a 3f3c5574 .config log report syz C danarag@gmail.com, deepa.kernel@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/04/14 16:28 linux-next f19bb13a 3f3c5574 .config log report syz C aeb@cwi.nl, danarag@gmail.com, deepa.kernel@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/04/14 15:50 linux-next f19bb13a 3f3c5574 .config log report syz C aeb@cwi.nl, danarag@gmail.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-qemu-upstream 2020/06/24 23:08 upstream 435faf5c 41694dbf .config log report syz akpm@linux-foundation.org, danarag@gmail.com, deepa.kernel@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/04/09 22:58 upstream 5d30bcac a8c6a3f8 .config log report syz aeb@cwi.nl, danarag@gmail.com, jack@suse.cz, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/07/12 18:46 upstream 0aea6d5c 115e1930 .config log report aeb@cwi.nl, akpm@linux-foundation.org, danarag@gmail.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/07/11 21:43 upstream a581387e 18d18b59 .config log report aeb@cwi.nl, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/07/10 19:28 upstream 42f82040 edf162e8 .config log report danarag@gmail.com, deepa.kernel@gmail.com, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/07/09 23:26 upstream 0bddd227 bc238812 .config log report aeb@cwi.nl, akpm@linux-foundation.org, danarag@gmail.com, jack@suse.cz, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/07/08 04:09 upstream 7cc2a8ea 51095195 .config log report aeb@cwi.nl, danarag@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/07/07 21:06 upstream 7cc2a8ea 51095195 .config log report danarag@gmail.com, deepa.kernel@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/07/04 20:50 upstream 7cc2a8ea 51095195 .config log report aeb@cwi.nl, akpm@linux-foundation.org, danarag@gmail.com, deepa.kernel@gmail.com, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/07/03 00:43 upstream cd77006e bed10395 .config log report akpm@linux-foundation.org, deepa.kernel@gmail.com, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/07/02 10:51 upstream cd77006e bed10395 .config log report aeb@cwi.nl, deepa.kernel@gmail.com, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/07/02 07:43 upstream cd77006e bed10395 .config log report danarag@gmail.com, dvlasenk@redhat.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/30 12:10 upstream 4e99b321 a2cdad9d .config log report aeb@cwi.nl, gregkh@linuxfoundation.org, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/28 23:56 upstream 4e99b321 a2cdad9d .config log report aeb@cwi.nl, deepa.kernel@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/28 18:42 upstream 4e99b321 a2cdad9d .config log report danarag@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/27 19:11 upstream 1590a2e1 ffec44b5 .config log report aeb@cwi.nl, danarag@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/27 14:29 upstream 1590a2e1 ffec44b5 .config log report danarag@gmail.com, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/26 13:45 upstream 4a21185c aea82c00 .config log report akpm@linux-foundation.org, dvlasenk@redhat.com, gregkh@linuxfoundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/25 08:43 upstream 7ae77150 54566aff .config log report aeb@cwi.nl, akpm@linux-foundation.org, danarag@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/24 21:30 upstream 7ae77150 54566aff .config log report gregkh@linuxfoundation.org, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/24 01:34 upstream 7ae77150 54566aff .config log report aeb@cwi.nl, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/20 05:24 upstream 7ae77150 81abc331 .config log report danarag@gmail.com, deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/17 20:26 upstream 7ae77150 b9f3810b .config log report deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/17 10:23 upstream 7ae77150 b9f3810b .config log report gregkh@linuxfoundation.org, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/17 00:20 upstream 7ae77150 559fbe2d .config log report aeb@cwi.nl, akpm@linux-foundation.org, deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/16 22:49 upstream 7ae77150 559fbe2d .config log report akpm@linux-foundation.org, deepa.kernel@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/15 04:22 upstream 7ae77150 2a22c77a .config log report akpm@linux-foundation.org, danarag@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/14 17:59 upstream 7ae77150 2a22c77a .config log report akpm@linux-foundation.org, dvlasenk@redhat.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/14 14:59 upstream 7ae77150 2a22c77a .config log report gregkh@linuxfoundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/06/12 14:26 upstream 7ae77150 58802067 .config log report akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/10 14:52 upstream 7ae77150 860c4de9 .config log report deepa.kernel@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/09 06:03 upstream 7ae77150 0d60b78a .config log report akpm@linux-foundation.org, danarag@gmail.com, deepa.kernel@gmail.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/06 14:46 upstream 7ae77150 e6b89e4e .config log report dvlasenk@redhat.com, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/06 13:53 upstream 7ae77150 e6b89e4e .config log report aeb@cwi.nl, danarag@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/06/06 03:10 upstream 7ae77150 f243c88f .config log report dvlasenk@redhat.com, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/04 16:49 upstream cb8e59cc b0d1c0d5 .config log report aeb@cwi.nl, danarag@gmail.com, dvlasenk@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/06/01 05:10 upstream bdc48fa1 a0331e89 .config log report danarag@gmail.com, deepa.kernel@gmail.com, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/05/23 16:41 upstream 44456565 9682898d .config log report aeb@cwi.nl, akpm@linux-foundation.org, deepa.kernel@gmail.com, dvlasenk@redhat.com, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/05/21 10:17 upstream b85051e7 c61086ab .config log report akpm@linux-foundation.org, danarag@gmail.com, linux-kernel@vger.kernel.org, pombredanne@nexb.com, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/17 10:07 upstream fb33c651 749688d2 .config log report aeb@cwi.nl, akpm@linux-foundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-qemu-upstream-386 2020/04/16 02:29 upstream 00086336 3f3c5574 .config log report gregkh@linuxfoundation.org, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/07/05 06:00 linux-next 9e50b94b 51095195 .config log report akpm@linux-foundation.org, danarag@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/07/04 16:39 linux-next 9e50b94b 51095195 .config log report akpm@linux-foundation.org, gregkh@linuxfoundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, pombredanne@nexb.com, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/06/30 15:31 linux-next 36e3135d a2cdad9d .config log report aeb@cwi.nl, danarag@gmail.com, gregkh@linuxfoundation.org, jack@suse.cz, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/06/05 17:54 linux-next e7b08814 2420d1bc .config log report deepa.kernel@gmail.com, dvlasenk@redhat.com, jack@suse.cz, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/06/01 18:57 linux-next e7b08814 a0331e89 .config log report akpm@linux-foundation.org, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/29 00:30 linux-next ff387fc2 0d951763 .config log report deepa.kernel@gmail.com, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/19 07:48 linux-next ac935d22 684d3606 .config log report aeb@cwi.nl, jack@suse.cz, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, viro@zeniv.linux.org.uk