syzbot


BUG: sleeping function called from invalid context in do_user_addr_fault
Status: closed as dup on 2020/09/02 22:06
Reported-by: syzbot+7748c5375dc20dfdb92f@syzkaller.appspotmail.com
First crash: 263d, last: 180d

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

Fix bisection: fixed by (bisect log) :
commit 033724d6864245a11f8e04c066002e6ad22b3fd0
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Wed Jul 15 01:51:02 2020 +0000

  fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.

Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in syscall_return_slowpath syz inconclusive done 1 278d 364d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: sleeping function called from invalid context in do_user_addr_fault (2) syz done 13 9d15h 72d 0/21 upstream: reported syz repro on 2020/12/25 13:45

Sample crash report:

Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/07/07 20:15 upstream 7cc2a8ea 51095195 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/08/03 00:55 upstream ac3a0c84 63a73341 .config log report
ci-upstream-kasan-gce-root 2020/07/26 22:40 upstream 04300d66 51265195 .config log report
ci-upstream-kasan-gce-root 2020/07/18 02:20 upstream 88825726 9c812472 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/08 17:00 upstream 7cc2a8ea 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/08 11:31 upstream 7cc2a8ea 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/06 13:43 upstream 7cc2a8ea 51095195 .config log report
ci-upstream-kasan-gce-smack-root 2020/06/17 17:17 upstream 7ae77150 b9f3810b .config log report
ci-upstream-kasan-gce-smack-root 2020/06/17 10:04 upstream 7ae77150 b9f3810b .config log report
ci-upstream-kasan-gce-386 2020/09/08 17:28 upstream f4d51dff abf9ba4f .config log report