linux-kernel - Re: [syzbot] [block?] [trace?] INFO: task hung in blk_trace

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Message-ID: <6734e03c.050a0220.2a2fcc.0045.GAE@google.com>
Date: Wed, 13 Nov 2024 09:22:04 -0800
From: syzbot <syzbot+2373f6be3e6de4f92562@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, andreyknvl@...il.com, axboe@...nel.dk, 
	dvyukov@...gle.com, eadavis@...com, elver@...gle.com, glider@...gle.com, 
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-trace-kernel@...r.kernel.org, mathieu.desnoyers@...icios.com, 
	mhiramat@...nel.org, pengfei.xu@...el.com, peterz@...radead.org, 
	rostedt@...dmis.org, syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] [block?] [trace?] INFO: task hung in blk_trace_remove (2)

syzbot suspects this issue was fixed by commit:

commit ae94b263f5f69c180347e795fbefa051b65aacc3
Author: Dmitry Vyukov <dvyukov@...gle.com>
Date:   Tue Jun 11 07:50:33 2024 +0000

    x86: Ignore stack unwinding in KCOV

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=174bc1a7980000
start commit:   7a396820222d Merge tag 'v6.8-rc-part2-smb-client' of git:/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=4059ab9bf06b6ceb
dashboard link: https://syzkaller.appspot.com/bug?extid=2373f6be3e6de4f92562
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14669c6fe80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12d23ae3e80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: x86: Ignore stack unwinding in KCOV

For information about bisection process see: https://goo.gl/tpsmEJ#bisection