syzbot


kernel BUG at lib/string.c:LINE! (5)
Status: fixed on 2020/10/15 08:22
Reported-by: syzbot+e864a35d361e1d4e29a5@syzkaller.appspotmail.com
Fix commit: 35be8851d172 btrfs: fix overflow when copying corrupt csums for a message
First crash: 450d, last: 441d

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 (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at lib/string.c:LINE! C 73 1521d 1536d 3/22 fixed on 2017/10/24 07:07
upstream kernel BUG at lib/string.c:LINE! (2) syz 2 1367d 1367d 4/22 fixed on 2018/03/23 18:14
upstream kernel BUG at lib/string.c:LINE! (6) C done 2 355d 351d 21/22 fixed on 2021/03/10 01:48
upstream kernel BUG in sg_write 3 269d 270d 0/22 auto-closed as invalid on 2021/05/17 10:34
upstream kernel BUG at lib/string.c:LINE! (3) C 5 1350d 1351d 6/22 fixed on 2018/04/06 16:37
upstream kernel BUG at lib/string.c:LINE! (4) C 2 1302d 1302d 6/22 fixed on 2018/06/07 13:52

Sample crash report:

Crashes (558):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/09/14 11:12 upstream e4c26faa426c 2d3cdd63 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/09/24 03:04 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/24 02:00 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/24 00:13 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 23:40 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 22:25 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 20:32 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 19:22 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 18:19 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 17:29 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 16:26 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/23 15:02 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 13:59 upstream 805c6d3c1921 287cd75a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 10:11 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 08:48 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 07:29 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 06:24 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-root 2020/09/23 04:43 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-root 2020/09/23 04:42 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/23 01:30 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-upstream-kasan-gce-root 2020/09/23 00:12 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-qemu-upstream 2020/09/22 23:07 upstream 805c6d3c1921 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 21:55 upstream 98477740630f 3e8f6c27 .config log report info
ci-upstream-kasan-gce-root 2020/09/22 16:23 upstream 98477740630f 3e8f6c27 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 13:55 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 11:55 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 10:47 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 09:41 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 08:09 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 07:05 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 06:45 upstream 98477740630f 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 04:36 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 03:25 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 02:15 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 01:34 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/22 00:25 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/21 23:24 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/21 22:06 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/21 21:04 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/21 19:24 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/21 19:06 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/21 16:22 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-root 2020/09/21 15:18 upstream ba4f184e126b 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/21 12:58 upstream ba4f184e126b 9e1fa68e .config log report info
ci-qemu-upstream 2020/09/14 09:55 upstream e4c26faa426c 2d3cdd63 .config log report
ci-qemu-upstream-386 2020/09/23 12:46 upstream 805c6d3c1921 287cd75a .config log report info
ci-qemu-upstream-386 2020/09/22 19:25 upstream eff48ddeab78 3e8f6c27 .config log report info
ci-qemu-upstream-386 2020/09/22 12:18 upstream 98477740630f 3e8f6c27 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/17 10:14 linux-next 5fa35f247b56 8247808b .config log report info