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WARNING: fbcon: Driver 'vkmclient_loop: send disconnect: Broken pipe

Status: upstream: reported syz repro on 2022/10/18 16:12
Reported-by: syzbot+8e67d6db6ac1d1b297f7@syzkaller.appspotmail.com
First crash: 165d, last: 50d

Cause bisection: failed (error log, bisect log)

Fix bisection: fixed by (bisect log) :
commit ed539ba614a079ea696b92beef1eafec66f831a4
Author: Jakub Kicinski <kuba@kernel.org>
Date: Fri Jan 6 06:33:57 2023 +0000

  devlink: always check if the devlink instance is registered


Sample crash report:
WARNING: fbcon: Driver 'vkmclient_loop: send disconnect: Broken pipe

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2022/10/14 16:08 upstream 55be6084c8e0 4954e4b2 .config console log report syz [disk image] [vmlinux] WARNING: fbcon: Driver 'vkmclient_loop: send disconnect: Broken pipe
* Struck through repros no longer work on HEAD.