[v6.6] WARNING in journal_end

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: cc1a1c5b404a Linux 6.6.103
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1669ea62580000
kernel config: https://syzkaller.appspot.com/x/.config?x=412020841cf033b0
dashboard link: https://syzkaller.appspot.com/bug?extid=2a97593e3c765d1e0d4f
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/46c06862a545/disk-cc1a1c5b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/38ddabb6fc8b/vmlinux-cc1a1c5b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b130b7d031b5/bzImage-cc1a1c5b.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a9759...@syzkaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 0 PID: 6539 at fs/reiserfs/journal.c:3400 journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Modules linked in:
CPU: 0 PID: 6539 Comm: syz.1.201 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Code: 38 00 00 00 48 89 de e8 5d 5c b6 ff 43 0f b6 04 27 84 c0 0f 85 a7 00 00 00 48 8b 04 24 c7 00 00 00 00 00 eb 30 e8 4f 13 5f ff <0f> 0b b8 fb ff ff ff eb 24 e8 41 13 5f ff 48 89 df 31 f6 48 83 c4
RSP: 0018:ffffc9000ba57998 EFLAGS: 00010283
RAX: ffffffff82267c51 RBX: ffffc9000ba57a60 RCX: 0000000000080000
RDX: ffffc9000cc3a000 RSI: 0000000000023e37 RDI: 0000000000023e38
RBP: 0000000000000000 R08: ffffc9000ba57a97 R09: 0000000000000000
R10: ffffc9000ba57a60 R11: fffff5200174af53 R12: ffffc9000ba57a74
R13: 1ffff1100aef29cd R14: ffff888057794e68 R15: 1ffff9200174af4e
FS: 00007f598e9be6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f412abadd90 CR3: 0000000030426000 CR4: 00000000003506f0
Call Trace:
<TASK>
reiserfs_truncate_file+0x385/0x7c0 fs/reiserfs/inode.c:2307
reiserfs_setattr+0xc0c/0x11a0 fs/reiserfs/inode.c:3392
notify_change+0xb0d/0xe10 fs/attr.c:499
do_truncate+0x19b/0x220 fs/open.c:66
vfs_truncate+0x266/0x300 fs/open.c:112
do_sys_truncate+0xe0/0x1a0 fs/open.c:135
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f598db8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f598e9be038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f598ddc5fa0 RCX: 00007f598db8ebe9
RDX: 0000000000000000 RSI: 00000000003a6000 RDI: 0000200000000080
RBP: 00007f598dc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f598ddc6038 R14: 00007f598ddc5fa0 R15: 00007fff9747bbe8
</TASK>


---
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If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want to overwrite report's subsystems, reply with:
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If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: af1544b5d072 Linux 6.6.107
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=125f5534580000
kernel config: https://syzkaller.appspot.com/x/.config?x=12606d4b8832c7e4
dashboard link: https://syzkaller.appspot.com/bug?extid=2a97593e3c765d1e0d4f
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10d3e712580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/70417990f48e/disk-af1544b5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1513b6e63f4f/vmlinux-af1544b5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5648a8356789/bzImage-af1544b5.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/aeef38e2d543/mount_0.gz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=15f2827c580000)
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/02ee8593b995/mount_15.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a9759...@syzkaller.appspotmail.com

------------[ cut here ]------------

WARNING: CPU: 0 PID: 6507 at fs/reiserfs/journal.c:3400 journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Modules linked in:
CPU: 0 PID: 6507 Comm: syz.2.131 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025

RIP: 0010:journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400

Code: 38 00 00 00 48 89 de e8 3d 59 b6 ff 43 0f b6 04 27 84 c0 0f 85 a7 00 00 00 48 8b 04 24 c7 00 00 00 00 00 eb 30 e8 4f 0b 5f ff <0f> 0b b8 fb ff ff ff eb 24 e8 41 0b 5f ff 48 89 df 31 f6 48 83 c4
RSP: 0018:ffffc9000c177998 EFLAGS: 00010293
RAX: ffffffff82268c51 RBX: ffffc9000c177a60 RCX: ffff888021123c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc9000c177a97 R09: 0000000000000000
R10: ffffc9000c177a60 R11: fffff5200182ef53 R12: ffffc9000c177a74
R13: 1ffff110042249cd R14: ffff888021124e68 R15: 1ffff9200182ef4e
FS: 00007ffaa98906c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 000000c002544080 CR3: 0000000029c09000 CR4: 00000000003506f0

Call Trace:
<TASK>
reiserfs_truncate_file+0x385/0x7c0 fs/reiserfs/inode.c:2307
reiserfs_setattr+0xc0c/0x11a0 fs/reiserfs/inode.c:3392
notify_change+0xb0d/0xe10 fs/attr.c:499
do_truncate+0x19b/0x220 fs/open.c:66
vfs_truncate+0x266/0x300 fs/open.c:112
do_sys_truncate+0xe0/0x1a0 fs/open.c:135
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2

RIP: 0033:0x7ffaa898ec29

Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48

RSP: 002b:00007ffaa9890038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007ffaa8bd6090 RCX: 00007ffaa898ec29

RDX: 0000000000000000 RSI: 00000000003a6000 RDI: 0000200000000080

RBP: 00007ffaa8a11e41 R08: 0000000000000000 R09: 0000000000000000

R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000

R13: 00007ffaa8bd6128 R14: 00007ffaa8bd6090 R15: 00007ffce79d5c78
</TASK>


---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: 4791134e4aeb Linux 6.6.118
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12b31512580000
kernel config: https://syzkaller.appspot.com/x/.config?x=12606d4b8832c7e4
dashboard link: https://syzkaller.appspot.com/bug?extid=2a97593e3c765d1e0d4f

compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17206484580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16dae192580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ca168ecfe887/disk-4791134e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/adda86b1a76b/vmlinux-4791134e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/cc2019969cb7/bzImage-4791134e.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/8f32498ed41a/mount_0.gz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=100214c2580000)

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a9759...@syzkaller.appspotmail.com

------------[ cut here ]------------

WARNING: CPU: 0 PID: 8615 at fs/reiserfs/journal.c:3400 journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400
Modules linked in:
CPU: 0 PID: 8615 Comm: syz.2.865 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025

RIP: 0010:journal_end+0x1f1/0x2b0 fs/reiserfs/journal.c:3400

Code: 38 00 00 00 48 89 de e8 6d 46 b6 ff 43 0f b6 04 27 84 c0 0f 85 a7 00 00 00 48 8b 04 24 c7 00 00 00 00 00 eb 30 e8 af d5 5e ff <0f> 0b b8 fb ff ff ff eb 24 e8 a1 d5 5e ff 48 89 df 31 f6 48 83 c4
RSP: 0018:ffffc9000cdaf998 EFLAGS: 00010293
RAX: ffffffff8226bb11 RBX: ffffc9000cdafa60 RCX: ffff888019b69e00

RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000

RBP: 0000000000000000 R08: ffffc9000cdafa97 R09: 0000000000000000
R10: ffffc9000cdafa60 R11: fffff520019b5f53 R12: ffffc9000cdafa74
R13: 1ffff1100336d60d R14: ffff888019b6b068 R15: 1ffff920019b5f4e
FS: 00007fab723d86c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000

CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

CR2: 0000001b2fd63fff CR3: 0000000022fa8000 CR4: 00000000003506f0

Call Trace:
<TASK>
reiserfs_truncate_file+0x385/0x7c0 fs/reiserfs/inode.c:2307
reiserfs_setattr+0xc0c/0x11a0 fs/reiserfs/inode.c:3392
notify_change+0xb0d/0xe10 fs/attr.c:499
do_truncate+0x19b/0x220 fs/open.c:66
vfs_truncate+0x266/0x300 fs/open.c:112
do_sys_truncate+0xe0/0x1a0 fs/open.c:135
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2

RIP: 0033:0x7fab7158f749

Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48

RSP: 002b:00007fab723d8038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fab717e5fa0 RCX: 00007fab7158f749

RDX: 0000000000000000 RSI: 00000000003a6000 RDI: 0000200000000080

RBP: 00007fab71613f91 R08: 0000000000000000 R09: 0000000000000000

R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000

R13: 00007fab717e6038 R14: 00007fab717e5fa0 R15: 00007ffed5c35428