From: syzbot <syzbot+2339c27f5c66c652843e@syzkaller.appspotmail.com>
To: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org,
linux-kernel@vger.kernel.org, mkl@pengutronix.de,
netdev@vger.kernel.org, socketcan@hartkopp.net,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] WARNING in isotp_tx_timer_handler (2)
Date: Sat, 12 Mar 2022 08:55:25 -0800 [thread overview]
Message-ID: <0000000000004e53a505da08501e@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 46b348fd2d81 alx: acquire mutex for alx_reinit in alx_chan..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=15da96e5700000
kernel config: https://syzkaller.appspot.com/x/.config?x=442f8ac61e60a75e
dashboard link: https://syzkaller.appspot.com/bug?extid=2339c27f5c66c652843e
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=165c76ad700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143da461700000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2339c27f5c66c652843e@syzkaller.appspotmail.com
------------[ cut here ]------------
WARNING: CPU: 1 PID: 19 at net/can/isotp.c:852 isotp_tx_timer_handler+0x717/0xcd0 net/can/isotp.c:852
Modules linked in:
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.17.0-rc7-syzkaller-00198-g46b348fd2d81 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:isotp_tx_timer_handler+0x717/0xcd0 net/can/isotp.c:852
Code: f9 44 0f b6 25 3b 23 56 05 31 ff 44 89 e6 e8 f0 56 4f f9 45 84 e4 0f 85 9d fa ff ff e9 4e 01 20 01 85 ed 75 52 e8 59 54 4f f9 <0f> 0b 45 31 e4 e8 4f 54 4f f9 48 8b 74 24 40 48 b8 00 00 00 00 00
RSP: 0018:ffffc90000d97c40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88806f490568 RCX: 0000000000000100
RDX: ffff888011945700 RSI: ffffffff88296bd7 RDI: 0000000000000003
RBP: 0000000000000000 R08: ffffffff8ac3c440 R09: ffffffff8829656f
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9d2a880 R14: ffff8880b9d2a600 R15: ffffffff882964c0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5c3133d1d8 CR3: 000000006b70d000 CR4: 00000000003506e0
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+0x609/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
run_ksoftirqd kernel/softirq.c:921 [inline]
run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913
smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
---
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
next reply other threads:[~2022-03-12 16:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-12 16:55 syzbot [this message]
2022-03-15 20:48 ` net-next Re: [syzbot] WARNING in isotp_tx_timer_handler (2) Oliver Hartkopp
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0000000000004e53a505da08501e@google.com \
--to=syzbot+2339c27f5c66c652843e@syzkaller.appspotmail.com \
--cc=davem@davemloft.net \
--cc=kuba@kernel.org \
--cc=linux-can@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mkl@pengutronix.de \
--cc=netdev@vger.kernel.org \
--cc=socketcan@hartkopp.net \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.