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Message-ID: <0000000000002b1f7d05ed858cb7@google.com>
Date: Tue, 15 Nov 2022 09:18:41 -0800
From: syzbot <syzbot+3ae0a3f42c84074b7c8e@...kaller.appspotmail.com>
To: bigeasy@...utronix.de, brianvv@...gle.com, claudiajkang@...il.com,
davem@...emloft.net, edumazet@...gle.com, ennoerlangen@...il.com,
kuba@...nel.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, pabeni@...hat.com,
syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING in send_hsr_supervision_frame (3)
Hello,
syzbot found the following issue on:
HEAD commit: 55be6084c8e0 Merge tag 'timers-core-2022-10-05' of git://g..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14146fc6880000
kernel config: https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a
dashboard link: https://syzkaller.appspot.com/bug?extid=3ae0a3f42c84074b7c8e
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9d967e5d91fa/disk-55be6084.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/9a8cffcbc089/vmlinux-55be6084.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3ae0a3f42c84074b7c8e@...kaller.appspotmail.com
------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 0 PID: 3593 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 0 PID: 3593 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d 90 9c 9a 04 31 ff 89 de e8 9f bf 4a f8 84 db 75 b6 e8 16 c3 4a f8 48 c7 c7 20 f0 21 8b c6 05 70 9c 9a 04 01 e8 12 a7 0d 00 <0f> 0b eb 9a e8 fa c2 4a f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0018:ffffc90000007c60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801cd93b00 RSI: ffffffff81612e28 RDI: fffff52000000f7e
RBP: ffff8880445b8c80 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000100 R11: 000000003a525348 R12: ffff888020fe8f80
R13: 0000000000000000 R14: ffff888020fe8f98 R15: 0000000000000017
FS: 000000c000052090(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001ab66b0 CR3: 000000002091d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
hsr_announce+0x10c/0x330 net/hsr/hsr_device.c:382
call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1d0/0x9c8 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__syscall_enter_from_user_work kernel/entry/common.c:89 [inline]
RIP: 0010:syscall_enter_from_user_mode+0x2c/0xb0 kernel/entry/common.c:110
Code: 49 89 f4 55 48 89 fd 53 48 8b 7c 24 18 e8 4c fa ff ff eb 28 eb 2c e8 13 fa fe f7 e8 ce f7 fe f7 fb 65 48 8b 04 25 80 6f 02 00 <48> 8b 70 08 40 f6 c6 3f 75 1a 5b 4c 89 e0 5d 41 5c c3 eb 1c 0f 0b
RSP: 0018:ffffc90003baff20 EFLAGS: 00000246
RAX: ffff88801cd93b00 RBX: 0000000000000002 RCX: 1ffffffff1bc1f51
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8982c992
RBP: ffffc90003baff58 R08: 0000000000000000 R09: 0000000000000000
R10: fffffbfff1bc18da R11: 0000000000000001 R12: 0000000000000023
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
do_syscall_64+0x16/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x46703d
Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 002b:000000c000061f10 EFLAGS: 00000202 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 0000000000002710 RCX: 000000000046703d
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c000061f10
RBP: 000000c000061f20 R08: 0000000000080d9f R09: 00007fff7a533080
R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000061950
R13: 000000c016676000 R14: 000000c0000004e0 R15: 00007f1b6b42021a
</TASK>
----------------
Code disassembly (best guess):
0: 49 89 f4 mov %rsi,%r12
3: 55 push %rbp
4: 48 89 fd mov %rdi,%rbp
7: 53 push %rbx
8: 48 8b 7c 24 18 mov 0x18(%rsp),%rdi
d: e8 4c fa ff ff callq 0xfffffa5e
12: eb 28 jmp 0x3c
14: eb 2c jmp 0x42
16: e8 13 fa fe f7 callq 0xf7fefa2e
1b: e8 ce f7 fe f7 callq 0xf7fef7ee
20: fb sti
21: 65 48 8b 04 25 80 6f mov %gs:0x26f80,%rax
28: 02 00
* 2a: 48 8b 70 08 mov 0x8(%rax),%rsi <-- trapping instruction
2e: 40 f6 c6 3f test $0x3f,%sil
32: 75 1a jne 0x4e
34: 5b pop %rbx
35: 4c 89 e0 mov %r12,%rax
38: 5d pop %rbp
39: 41 5c pop %r12
3b: c3 retq
3c: eb 1c jmp 0x5a
3e: 0f 0b ud2
---
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@...glegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
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