syzbot


divide error in __tcp_select_window
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: fd8976790a6c mptcp: be careful on MPTCP-level ack.
First crash: 310d, last: 305d

Cause bisection: introduced by (bisect log) :
commit b1e8eb11fb9cf666d8ae36bbcf533233a504c921
Author: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Date: Fri Oct 23 16:33:08 2020 +0000

  mac80211: fix kernel-doc markups

Crash: BUG: sleeping function called from invalid context in sta_info_move_state (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream divide error in __tcp_select_window (2) C done 4 170d 171d 21/22 internal: reported C repro on 2021/04/08 19:16
android-49 divide error in __tcp_select_window 2 1504d 1505d 0/3 closed as invalid on 2019/01/01 20:10

Sample crash report:

Crashes (1119):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2020/11/21 07:12 net-next c900378316d3 68068804 .config log report syz C
ci-upstream-net-kasan-gce 2020/11/26 10:38 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 09:38 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 08:01 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 05:45 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 05:02 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 03:56 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 02:08 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 01:35 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/26 00:34 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 23:55 net-next 062547380d1f 2f1cec62 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 20:56 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 19:53 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 18:44 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 18:08 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 15:30 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 15:10 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 14:05 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 13:18 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 12:04 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 11:04 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 09:29 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 08:42 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 07:34 net-next 470dfd808ac4 1a1f4bd8 .config log report info
ci-upstream-net-kasan-gce 2020/11/25 04:40 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/25 03:25 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/25 02:50 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/25 00:43 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/25 00:04 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/24 23:01 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/24 21:22 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/24 19:39 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/24 18:19 net-next d5a05e69ac6e e34b696c .config log report info
ci-upstream-net-kasan-gce 2020/11/24 17:09 net-next 5112cf59d76d 1ab681a4 .config log report info
ci-upstream-net-kasan-gce 2020/11/24 15:55 net-next 5112cf59d76d 1ab681a4 .config log report info
ci-upstream-net-kasan-gce 2020/11/21 05:29 net-next c900378316d3 740ff461 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 07:32 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 06:31 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 03:19 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 03:10 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/25 22:46 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/25 16:34 linux-next 62918e6fd7b5 1a1f4bd8 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/25 10:31 linux-next 62918e6fd7b5 1a1f4bd8 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/25 06:22 linux-next 62918e6fd7b5 1a1f4bd8 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/25 01:43 linux-next 62918e6fd7b5 e34b696c .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/24 19:59 linux-next 62918e6fd7b5 e34b696c .config log report info