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From: syzbot <syzbot+c22650d2844392afdcfd@syzkaller.appspotmail.com>
To: davem@davemloft.net, dhowells@redhat.com, edumazet@google.com,
	kuba@kernel.org, linux-afs@lists.infradead.org,
	linux-kernel@vger.kernel.org, marc.dionne@auristor.com,
	netdev@vger.kernel.org, pabeni@redhat.com,
	syzkaller-bugs@googlegroups.com
Subject: [syzbot] kernel BUG in rxrpc_put_peer
Date: Tue, 06 Dec 2022 08:34:36 -0800	[thread overview]
Message-ID: <0000000000002b4a9f05ef2b616f@google.com> (raw)

Hello,

syzbot found the following issue on:

HEAD commit:    c9f8d73645b6 net: mtk_eth_soc: enable flow offload support..
git tree:       net-next
console output: https://syzkaller.appspot.com/x/log.txt?x=11fedb97880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c608c21151db14f2
dashboard link: https://syzkaller.appspot.com/bug?extid=c22650d2844392afdcfd
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103f84db880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/bf270f71d81b/disk-c9f8d736.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/9df5873e74c3/vmlinux-c9f8d736.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4db90f01e6d3/bzImage-c9f8d736.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c22650d2844392afdcfd@syzkaller.appspotmail.com

rxrpc: Assertion failed
------------[ cut here ]------------
kernel BUG at net/rxrpc/peer_object.c:413!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 15173 Comm: krxrpcio/0 Not tainted 6.1.0-rc7-syzkaller-01810-gc9f8d73645b6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__rxrpc_put_peer net/rxrpc/peer_object.c:413 [inline]
RIP: 0010:rxrpc_put_peer.cold+0x11/0x13 net/rxrpc/peer_object.c:437
Code: ff e9 2d f2 f9 fe e8 60 39 92 f7 48 c7 c7 20 ce 74 8b e8 f8 72 bd ff 0f 0b e8 4d 39 92 f7 48 c7 c7 20 d3 74 8b e8 e5 72 bd ff <0f> 0b e8 3a 39 92 f7 4c 8b 4c 24 30 48 89 ea 48 89 ee 48 c7 c1 20
RSP: 0018:ffffc9000b017be8 EFLAGS: 00010282
RAX: 0000000000000017 RBX: ffff88807c44a800 RCX: 0000000000000000
RDX: ffff88807b57ba80 RSI: ffffffff816576cc RDI: fffff52001602f6f
RBP: ffff88807b531c00 R08: 0000000000000017 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff888023d7c000
R13: ffff88807b531d28 R14: ffff88807b531c10 R15: ffff88807b531c30
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bbe7821b8 CR3: 0000000076947000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxrpc_clean_up_connection+0x37d/0x4b0 net/rxrpc/conn_object.c:317
 rxrpc_put_connection.part.0+0x1e8/0x210 net/rxrpc/conn_object.c:356
 rxrpc_put_connection+0x25/0x30 net/rxrpc/conn_object.c:339
 rxrpc_clean_up_local_conns+0x3ad/0x530 net/rxrpc/conn_client.c:1131
 rxrpc_destroy_local+0x170/0x2f0 net/rxrpc/local_object.c:392
 rxrpc_io_thread+0xcde/0xfa0 net/rxrpc/io_thread.c:492
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rxrpc_put_peer net/rxrpc/peer_object.c:413 [inline]
RIP: 0010:rxrpc_put_peer.cold+0x11/0x13 net/rxrpc/peer_object.c:437
Code: ff e9 2d f2 f9 fe e8 60 39 92 f7 48 c7 c7 20 ce 74 8b e8 f8 72 bd ff 0f 0b e8 4d 39 92 f7 48 c7 c7 20 d3 74 8b e8 e5 72 bd ff <0f> 0b e8 3a 39 92 f7 4c 8b 4c 24 30 48 89 ea 48 89 ee 48 c7 c1 20
RSP: 0018:ffffc9000b017be8 EFLAGS: 00010282
RAX: 0000000000000017 RBX: ffff88807c44a800 RCX: 0000000000000000
RDX: ffff88807b57ba80 RSI: ffffffff816576cc RDI: fffff52001602f6f
RBP: ffff88807b531c00 R08: 0000000000000017 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff888023d7c000
R13: ffff88807b531d28 R14: ffff88807b531c10 R15: ffff88807b531c30
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bbe7821b8 CR3: 000000002698e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


---
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.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches

             reply	other threads:[~2022-12-06 16:35 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-06 16:34 syzbot [this message]
2022-12-08 14:09 ` [syzbot] kernel BUG in rxrpc_put_peer David Howells
2022-12-08 23:34   ` syzbot
2022-12-19 16:44 ` David Howells
2022-12-19 17:17   ` syzbot
2022-12-20 16:02 ` David Howells
2022-12-20 19:15   ` syzbot
2022-12-21 16:43 ` David Howells
2022-12-21 17:25   ` syzbot
2022-12-23  8:29 ` syzbot
2023-01-05 16:03 ` David Howells
2023-01-05 16:32   ` syzbot
2023-01-06 11:47 ` David Howells
2023-01-06 17:18   ` syzbot
2023-01-06 21:54     ` David Howells

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