REISERFS panic (device loop2): journal-003 check_journal_end: j_start (7) 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: 4196 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 60 66 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 20 67 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 1e 40 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 a7 52 c6 f7 48 c7 c7 e0
RSP: 0018:ffffc900032ef740 EFLAGS: 00010246
RAX: 0000000000000055 RBX: 1ffff9200065deec RCX: 410d801df5787e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900032ef860 R08: ffff8880b9133d7f R09: 1ffff110172267af
R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc900032ef780
R13: dffffc0000000000 R14: ffffffff8a3bb380 R15: ffff888061e406a8
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555c7f1a78 CR3: 000000007e6c6000 CR4: 00000000003526e0
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
 do_journal_release+0x497/0x4f0 fs/reiserfs/journal.c:1937
 journal_release+0x1b/0x30 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0x267/0x510 fs/reiserfs/super.c:616
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x626/0x20c0 kernel/exit.c:884
 do_group_exit+0x12e/0x300 kernel/exit.c:998
 __do_sys_exit_group kernel/exit.c:1009 [inline]
 __se_sys_exit_group kernel/exit.c:1007 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1007
 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: 0033:0x7f848592ee59
Code: Unable to access opcode bytes at RIP 0x7f848592ee2f.
RSP: 002b:00007ffd6377fd78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f84859c423c RCX: 00007f848592ee59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 0000000000000000 R09: 00007f84859c41ca
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd63781030
R13: 00007f84859c41ca R14: 000055555c7ce4e8 R15: 00007ffd63782100
 </TASK>
Modules linked in:
---[ end trace b267b968623581a4 ]---
RIP: 0010:__reiserfs_panic+0x167/0x170 fs/reiserfs/prints.c:390
Code: 60 66 3b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 20 67 3b 8a 4c 89 fe 4c 89 f2 4c 8b 44 24 10 49 c7 c1 20 1e 40 96 e8 79 4e ff ff <0f> 0b 0f 1f 80 00 00 00 00 53 48 89 fb e8 a7 52 c6 f7 48 c7 c7 e0
RSP: 0018:ffffc900032ef740 EFLAGS: 00010246
RAX: 0000000000000055 RBX: 1ffff9200065deec RCX: 410d801df5787e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900032ef860 R08: ffff8880b9133d7f R09: 1ffff110172267af
R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffffc900032ef780
R13: dffffc0000000000 R14: ffffffff8a3bb380 R15: ffff888061e406a8
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563f1536b288 CR3: 0000000062be3000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400