linux-kernel - Re: [syzbot] [bpf?] WARNING in push_jmp

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Message-ID: <6704f097.050a0220.1e4d62.0087.GAE@google.com>
Date: Tue, 08 Oct 2024 01:43:03 -0700
From: syzbot <syzbot+7e46cdef14bf496a3ab4@...kaller.appspotmail.com>
To: 42.hyeyoo@...il.com, akpm@...ux-foundation.org, andrii@...nel.org, 
	ast@...nel.org, bpf@...r.kernel.org, cl@...ux.com, daniel@...earbox.net, 
	eddyz87@...il.com, feng.tang@...el.com, haoluo@...gle.com, 
	iamjoonsoo.kim@....com, john.fastabend@...il.com, jolsa@...nel.org, 
	kpsingh@...nel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	martin.lau@...ux.dev, penberg@...nel.org, rientjes@...gle.com, 
	roman.gushchin@...ux.dev, sdf@...ichev.me, song@...nel.org, 
	syzkaller-bugs@...glegroups.com, vbabka@...e.cz, yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] WARNING in push_jmp_history

syzbot has bisected this issue to:

commit d0a38fad51cc70ab3dd3c59b54d8079ac19220b9
Author: Feng Tang <feng.tang@...el.com>
Date:   Wed Sep 11 06:45:34 2024 +0000

    mm/slub: Improve redzone check and zeroing for krealloc()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ddbb80580000
start commit:   c02d24a5af66 Add linux-next specific files for 20241003
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13ddbb80580000
console output: https://syzkaller.appspot.com/x/log.txt?x=15ddbb80580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=94f9caf16c0af42d
dashboard link: https://syzkaller.appspot.com/bug?extid=7e46cdef14bf496a3ab4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10b82707980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16f4c327980000

Reported-by: syzbot+7e46cdef14bf496a3ab4@...kaller.appspotmail.com
Fixes: d0a38fad51cc ("mm/slub: Improve redzone check and zeroing for krealloc()")

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