linux-kernel - [syzbot] WARNING in journal

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Date:   Tue, 29 Nov 2022 05:49:37 -0800
From:   syzbot <syzbot+d43f346675e449548021@...kaller.appspotmail.com>
To:     axboe@...nel.dk, bvanassche@....org, jlayton@...nel.org,
        linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org,
        song@...nel.org, syzkaller-bugs@...glegroups.com,
        willy@...radead.org, yi.zhang@...wei.com
Subject: [syzbot] WARNING in journal_end

Hello,

syzbot found the following issue on:

HEAD commit:    9e46a7996732 Add linux-next specific files for 20221125
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=12c4ff75880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=11e19c740a0b2926
dashboard link: https://syzkaller.appspot.com/bug?extid=d43f346675e449548021
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/758d818cf966/disk-9e46a799.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f7c8696b40a5/vmlinux-9e46a799.xz
kernel image: https://storage.googleapis.com/syzbot-assets/810f9750b87f/bzImage-9e46a799.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d43f346675e449548021@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 28237 at fs/reiserfs/journal.c:3395 journal_end+0x2da/0x330 fs/reiserfs/journal.c:3395
Modules linked in:
CPU: 0 PID: 28237 Comm: syz-executor.0 Not tainted 6.1.0-rc6-next-20221125-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:journal_end+0x2da/0x330 fs/reiserfs/journal.c:3395
Code: ff 4c 89 e7 e8 17 80 b5 ff e9 c0 fd ff ff 4c 89 e7 e8 aa 80 b5 ff e9 01 ff ff ff e8 00 80 b5 ff e9 3a ff ff ff e8 36 5e 67 ff <0f> 0b 41 bc fb ff ff ff e9 ef fe ff ff e8 04 80 b5 ff e9 4c fd ff
RSP: 0018:ffffc9000367fb40 EFLAGS: 00010212
RAX: 0000000000029f05 RBX: 0000000000000000 RCX: ffffc9000f945000
RDX: 0000000000040000 RSI: ffffffff82196b8a RDI: 0000000000000005
RBP: ffffc9000367fbb8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000367fbcc
R13: 0000000000000001 R14: ffff888072d58ef8 R15: ffffc9000367fbb8
FS:  00007f6730b9f700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557391848 CR3: 00000000175c7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_truncate_file+0x1c0/0xee0 fs/reiserfs/inode.c:2311
 reiserfs_setattr+0xed3/0x1460 fs/reiserfs/inode.c:3395
 notify_change+0xca7/0x1420 fs/attr.c:482
 do_truncate+0x143/0x200 fs/open.c:65
 do_sys_ftruncate+0x51f/0x710 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f672fe8c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6730b9f168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f672ffac120 RCX: 00007f672fe8c0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f672fee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe43a9deef R14: 00007f6730b9f300 R15: 0000000000022000
 </TASK>


---
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