From: syzbot <syzbot+34dcf6bbda0e05f6b3ed@syzkaller.appspotmail.com>
To: davem@davemloft.net, edumazet@google.com, kernel@pengutronix.de,
kuba@kernel.org, linux-can@vger.kernel.org,
linux-kernel@vger.kernel.org, linux@rempel-privat.de,
mkl@pengutronix.de, netdev@vger.kernel.org, pabeni@redhat.com,
robin@protonic.nl, socketcan@hartkopp.net,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] WARNING in j1939_tp_rxtimer (2)
Date: Sun, 11 Sep 2022 19:30:34 -0700 [thread overview]
Message-ID: <00000000000027774b05e871ae18@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 0066f1b0e275 afs: Return -EAGAIN, not -EREMOTEIO, when a f..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=124a4c8f080000
kernel config: https://syzkaller.appspot.com/x/.config?x=5971bb33b0db1ef1
dashboard link: https://syzkaller.appspot.com/bug?extid=34dcf6bbda0e05f6b3ed
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+34dcf6bbda0e05f6b3ed@syzkaller.appspotmail.com
WARNING: CPU: 0 PID: 15 at net/can/j1939/transport.c:1096 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1106 [inline]
WARNING: CPU: 0 PID: 15 at net/can/j1939/transport.c:1096 j1939_tp_rxtimer+0x821/0xa20 net/can/j1939/transport.c:1234
Modules linked in:
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.0.0-rc4-syzkaller-00062-g0066f1b0e275 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1096 [inline]
RIP: 0010:j1939_session_deactivate_activate_next net/can/j1939/transport.c:1106 [inline]
RIP: 0010:j1939_tp_rxtimer+0x821/0xa20 net/can/j1939/transport.c:1234
Code: e8 c4 62 44 f8 48 8b 3c 24 e9 0a f9 ff ff e8 b6 62 44 f8 4c 89 f7 be 03 00 00 00 e8 79 7f f0 fa e9 52 f9 ff ff e8 9f 62 44 f8 <0f> 0b e9 fa f9 ff ff e8 93 62 44 f8 0f 0b e9 21 fb ff ff e8 87 62
RSP: 0018:ffffc90000147a90 EFLAGS: 00010246
RAX: ffffffff89453641 RBX: 0000000000000001 RCX: ffff8880122e3b00
RDX: 0000000000000301 RSI: 0000000000000001 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffffffff89453034 R09: ffffed100f764506
R10: ffffed100f764506 R11: 1ffff1100f764505 R12: 1ffff1100f764500
R13: ffff88807bb22800 R14: 1ffff1100f76451b R15: ffff88807bb228d8
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000001f158000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x1a1/0x580 kernel/time/hrtimer.c:1766
__do_softirq+0x382/0x793 kernel/softirq.c:571
run_ksoftirqd+0xc1/0x120 kernel/softirq.c:934
smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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reply other threads:[~2022-09-12 2:30 UTC|newest]
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