linux-kernel - [syzbot] upstream boot error: WARNING: ODEBUG bug in __do

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Date:   Tue, 16 Aug 2022 01:42:25 -0700
From:   syzbot <syzbot+94c142d893fadc95fe49@...kaller.appspotmail.com>
To:     Henry.Wang@....com, bigeasy@...utronix.de,
        linux-kernel@...r.kernel.org, longpeng2@...wei.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        vschneid@...hat.com
Subject: [syzbot] upstream boot error: WARNING: ODEBUG bug in __do_softirq

Hello,

syzbot found the following issue on:

HEAD commit:    69dac8e431af Merge tag 'riscv-for-linus-5.20-mw2' of git:/..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12af94d3080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f6bcb425ba129b87
dashboard link: https://syzkaller.appspot.com/bug?extid=94c142d893fadc95fe49
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+94c142d893fadc95fe49@...kaller.appspotmail.com

------------[ cut here ]------------
ODEBUG: active_state not available (active state 0) object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:502 debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Modules linked in:
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-syzkaller-14184-g69dac8e431af #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:502
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd e0 fe 48 8a 4c 89 ee 48 c7 c7 80 f2 48 8a e8 bf 17 39 05 <0f> 0b 83 05 45 ca dd 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc900001b7c10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: ffff888011ba1d80 RSI: ffffffff8161f148 RDI: fffff52000036f74
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000100 R11: 0000000000000001 R12: ffffffff89ee2100
R13: ffffffff8a48f760 R14: 0000000000000000 R15: ffff88800000eda9
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 debug_object_active_state lib/debugobjects.c:948 [inline]
 debug_object_active_state+0x1d2/0x350 lib/debugobjects.c:911
 debug_rcu_head_unqueue kernel/rcu/rcu.h:198 [inline]
 rcu_do_batch kernel/rcu/tree.c:2238 [inline]
 rcu_core+0x75e/0x1890 kernel/rcu/tree.c:2505
 __do_softirq+0x1d3/0x9c6 kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:934 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>


---
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