From: syzbot <syzbot+774c590240616eaa3423@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, andrii@kernel.org, ast@kernel.org,
bp@alien8.de, bpf@vger.kernel.org, daniel@iogearbox.net,
davem@davemloft.net, hawk@kernel.org, hpa@zytor.com,
jmattson@google.com, john.fastabend@gmail.com, joro@8bytes.org,
kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
mark.rutland@arm.com, masahiroy@kernel.org, mingo@redhat.com,
netdev@vger.kernel.org, pbonzini@redhat.com,
peterz@infradead.org, rafael.j.wysocki@intel.com,
rostedt@goodmis.org, seanjc@google.com, songliubraving@fb.com,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
vkuznets@redhat.com, wanpengli@tencent.com, will@kernel.org,
x86@kernel.org, yhs@fb.com
Subject: [syzbot] WARNING in bpf_test_run
Date: Thu, 01 Apr 2021 04:29:19 -0700 [thread overview]
Message-ID: <000000000000d9fefa05bee78afd@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 36e79851 libbpf: Preserve empty DATASEC BTFs during static..
git tree: bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1569bb06d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=7eff0f22b8563a5f
dashboard link: https://syzkaller.appspot.com/bug?extid=774c590240616eaa3423
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17556b7cd00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1772be26d00000
The issue was bisected to:
commit 997acaf6b4b59c6a9c259740312a69ea549cc684
Author: Mark Rutland <mark.rutland@arm.com>
Date: Mon Jan 11 15:37:07 2021 +0000
lockdep: report broken irq restoration
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10197016d00000
final oops: https://syzkaller.appspot.com/x/report.txt?x=12197016d00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14197016d00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+774c590240616eaa3423@syzkaller.appspotmail.com
Fixes: 997acaf6b4b5 ("lockdep: report broken irq restoration")
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8725 at include/linux/bpf-cgroup.h:193 bpf_cgroup_storage_set include/linux/bpf-cgroup.h:193 [inline]
WARNING: CPU: 0 PID: 8725 at include/linux/bpf-cgroup.h:193 bpf_test_run+0x65e/0xaa0 net/bpf/test_run.c:109
Modules linked in:
CPU: 0 PID: 8725 Comm: syz-executor927 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_cgroup_storage_set include/linux/bpf-cgroup.h:193 [inline]
RIP: 0010:bpf_test_run+0x65e/0xaa0 net/bpf/test_run.c:109
Code: e9 29 fe ff ff e8 b2 9d 3a fa 41 83 c6 01 bf 08 00 00 00 44 89 f6 e8 51 a5 3a fa 41 83 fe 08 0f 85 74 fc ff ff e8 92 9d 3a fa <0f> 0b bd f0 ff ff ff e9 5c fd ff ff e8 81 9d 3a fa 83 c5 01 bf 08
RSP: 0018:ffffc900017bfaf0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90000f29000 RCX: 0000000000000000
RDX: ffff88801bc68000 RSI: ffffffff8739543e RDI: 0000000000000003
RBP: 0000000000000007 R08: 0000000000000008 R09: 0000000000000001
R10: ffffffff8739542f R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888021dd54c0 R14: 0000000000000008 R15: 0000000000000000
FS: 00007f00157d7700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0015795718 CR3: 00000000157ae000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_prog_test_run_skb+0xabc/0x1c70 net/bpf/test_run.c:628
bpf_prog_test_run kernel/bpf/syscall.c:3132 [inline]
__do_sys_bpf+0x218b/0x4f40 kernel/bpf/syscall.c:4411
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x446199
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f00157d72f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000004cb440 RCX: 0000000000446199
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000049b074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: f9abde7200f522cd
R13: 3952ddf3af240c07 R14: 1631e0d82d3fa99d R15: 00000000004cb448
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches
next reply other threads:[~2021-04-01 17:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 11:29 syzbot [this message]
2021-04-01 22:05 ` [syzbot] WARNING in bpf_test_run Yonghong Song
2021-04-02 0:40 ` Yonghong Song
2021-04-13 7:56 ` Dmitry Vyukov
2021-04-13 12:55 ` Steven Rostedt
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