REISERFS panic (device loop3): journal-003 check_journal_end: j_start (4) is too high
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kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5768 Comm: syz.0.433 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 00 34 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 c0 34 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 e0 7d 1e 96 e8 96 51 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 a7 ad d8 f7 48 c7 c7 80 3d 1b 8a
RSP: 0000:ffffc9000370fa80 EFLAGS: 00010246
RAX: 0000000000000055 RBX: ffffffff8bb9a056 RCX: 54e71a12596c2300
RDX: ffffc90005671000 RSI: 0000000000023091 RDI: 0000000000023092
RBP: ffffc9000370fb80 R08: dffffc0000000000 R09: ffffed10172267b0
R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffffffff8a1b8140
R13: ffffc9000370faa0 R14: ffffffff8a1b8120 R15: ffff888079c1a6a8
FS:  00007f5524b4c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbd4b70dac CR3: 000000007642e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_journal_end fs/reiserfs/journal.c:3715 [inline]
 do_journal_end+0x3c97/0x42d0 fs/reiserfs/journal.c:4040
 reiserfs_sync_fs+0xcc/0x150 fs/reiserfs/super.c:78
 iterate_supers+0x11e/0x1d0 fs/super.c:718
 ksys_sync+0xa0/0x150 fs/sync.c:103
 __ia32_sys_sync+0xa/0x10 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f55268e4c29
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:00007f5524b4c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f5526b2bfa0 RCX: 00007f55268e4c29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5526b2bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5526b2c038 R14: 00007f5526b2bfa0 R15: 00007ffdd3bf7df8
 </TASK>
Modules linked in:
---[ end trace c584caa1219c4a03 ]---
RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390
Code: c7 c1 00 34 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 c0 34 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 e0 7d 1e 96 e8 96 51 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 a7 ad d8 f7 48 c7 c7 80 3d 1b 8a
RSP: 0000:ffffc9000370fa80 EFLAGS: 00010246
RAX: 0000000000000055 RBX: ffffffff8bb9a056 RCX: 54e71a12596c2300
RDX: ffffc90005671000 RSI: 0000000000023091 RDI: 0000000000023092
RBP: ffffc9000370fb80 R08: dffffc0000000000 R09: ffffed10172267b0
R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffffffff8a1b8140
R13: ffffc9000370faa0 R14: ffffffff8a1b8120 R15: ffff888079c1a6a8
FS:  00007f5524b4c6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbd4b3d198 CR3: 000000007642e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400