linux-kernel - Re: [syzbot] [bpf?] general protection fault in bpf_prog_array_delete

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Message-ID: <67539e4e.050a0220.2477f.000c.GAE@google.com>
Date: Fri, 06 Dec 2024 17:01:02 -0800
From: syzbot <syzbot+2e0d2840414ce817aaac@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, 
	daniel@...earbox.net, eddyz87@...il.com, haoluo@...gle.com, 
	john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org, 
	linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org, 
	martin.lau@...ux.dev, mathieu.desnoyers@...icios.com, 
	mattbobrowski@...gle.com, mhiramat@...nel.org, netdev@...r.kernel.org, 
	olsajiri@...il.com, rostedt@...dmis.org, sdf@...ichev.me, song@...nel.org, 
	syzkaller-bugs@...glegroups.com, yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] general protection fault in bpf_prog_array_delete_safe

syzbot has bisected this issue to:

commit 0ee288e69d033850bc87abe0f9cc3ada24763d7f
Author: Jiri Olsa <jolsa@...nel.org>
Date:   Wed Oct 23 20:03:52 2024 +0000

    bpf,perf: Fix perf_event_detach_bpf_prog error handling

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=103530f8580000
start commit:   e2cf913314b9 Merge branch 'fixes-for-stack-with-allow_ptr_..
git tree:       bpf
final oops:     https://syzkaller.appspot.com/x/report.txt?x=123530f8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=143530f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fb680913ee293bcc
dashboard link: https://syzkaller.appspot.com/bug?extid=2e0d2840414ce817aaac
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=132a2020580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1291d0f8580000

Reported-by: syzbot+2e0d2840414ce817aaac@...kaller.appspotmail.com
Fixes: 0ee288e69d03 ("bpf,perf: Fix perf_event_detach_bpf_prog error handling")

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