syzbot


kernel BUG at lib/string.c:LINE! (5)
Status: upstream: reported C repro on 2020/09/15 11:00
Reported-by: syzbot+e864a35d361e1d4e29a5@syzkaller.appspotmail.com
Fix commit: btrfs: fix overflow when copying corrupt csums for a message btrfs: fix overflow when copying corrupt csums for a message
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: 3d23h, last: 1h18m

Cause bisection: introduced by (bisect log):

commit 3951e7f050ac6a38bbc859fc3cd6093890c31d1c
Author: Johannes Thumshirn <jthumshirn@suse.de>
Date: Mon Oct 7 09:11:01 2019 +0000

  btrfs: add xxhash64 to checksumming algorithms

Crash: kernel BUG at lib/string.c:LINE! (log)
Repro: C syz .config
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream kernel BUG at lib/string.c:LINE! C 73 1074d 1090d 3/17 fixed on 2017/10/24 07:07
upstream kernel BUG at lib/string.c:LINE! (2) syz 2 920d 920d 4/17 fixed on 2018/03/23 18:14
upstream kernel BUG at lib/string.c:LINE! (3) C 5 904d 905d 6/17 fixed on 2018/04/06 16:37
upstream kernel BUG at lib/string.c:LINE! (4) C 2 855d 855d 6/17 fixed on 2018/06/07 13:52

Sample crash report:

Crashes (180):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/09/14 11:12 upstream e4c26faa 2d3cdd63 .config log report syz C clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream 2020/09/18 07:49 upstream 10b82d51 38962c8b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/18 05:33 upstream 4cbffc46 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/18 03:44 upstream 4cbffc46 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 23:54 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 21:52 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream 2020/09/17 20:10 upstream 4cbffc46 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 16:51 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 15:29 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 14:24 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 13:06 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 12:01 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 08:59 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/17 07:03 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/17 05:58 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 04:34 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/17 02:11 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/17 01:22 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 23:54 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 22:47 upstream 5925fa68 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 21:04 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 13:55 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 12:52 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 12:27 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 11:16 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 09:58 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 08:58 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 07:16 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/16 04:00 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/09/16 02:58 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 01:42 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/16 00:30 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 23:30 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 22:24 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 21:11 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 21:09 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 21:09 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 21:07 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/15 20:45 upstream fc4f28bb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream 2020/09/15 20:19 upstream fc4f28bb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream 2020/09/14 09:55 upstream e4c26faa 2d3cdd63 .config log report clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream-386 2020/09/18 01:58 upstream 10b82d51 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-qemu-upstream-386 2020/09/16 20:58 upstream 05da40eb 77507d02 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/17 10:14 linux-next 5fa35f24 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/17 03:19 linux-next 5fa35f24 8247808b .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/16 19:06 linux-next 5fa35f24 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/16 16:08 linux-next 5fa35f24 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/16 05:30 linux-next 6b02addb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/16 05:28 linux-next 6b02addb 18d7d030 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/16 00:21 linux-next 6b02addb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/15 23:01 linux-next 6b02addb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/15 23:00 linux-next 6b02addb 6989d6f6 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org