syzbot

------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1913!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4281 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:do_journal_release+0x536/0x540 fs/reiserfs/journal.c:1913
Code: be ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 c4 45 be ff e9 ac fc ff ff e8 2a dd 79 ff <0f> 0b e8 23 dd 79 ff 0f 0b 90 41 57 41 56 53 48 89 f3 49 bf 00 00
RSP: 0018:ffffc9000305fb80 EFLAGS: 00010293
RAX: ffffffff81fdeee6 RBX: ffff88807d0d0000 RCX: ffff88801e260000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000305fc78 R08: dffffc0000000000 R09: ffffc9000305fbc0
R10: fffff5200060bf7f R11: 1ffff9200060bf78 R12: ffffc90003261000
R13: 1ffff9200060bf74 R14: ffff88807d0d0678 R15: 0000000000000000
FS:  0000555568ac1500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12ea671000 CR3: 0000000075335000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 journal_release+0x1b/0x30 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0x21e/0x480 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+0x418/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f12b978ca77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc91118208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f12b980fd7d RCX: 00007f12b978ca77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc911182c0
RBP: 00007ffc911182c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc91119350
R13: 00007f12b980fd7d R14: 0000000000012c9b R15: 00007ffc91119390
 </TASK>
Modules linked in:
---[ end trace f8762735fae07f85 ]---
RIP: 0010:do_journal_release+0x536/0x540 fs/reiserfs/journal.c:1913
Code: be ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 c4 45 be ff e9 ac fc ff ff e8 2a dd 79 ff <0f> 0b e8 23 dd 79 ff 0f 0b 90 41 57 41 56 53 48 89 f3 49 bf 00 00
RSP: 0018:ffffc9000305fb80 EFLAGS: 00010293
RAX: ffffffff81fdeee6 RBX: ffff88807d0d0000 RCX: ffff88801e260000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000305fc78 R08: dffffc0000000000 R09: ffffc9000305fbc0
R10: fffff5200060bf7f R11: 1ffff9200060bf78 R12: ffffc90003261000
R13: 1ffff9200060bf74 R14: ffff88807d0d0678 R15: 0000000000000000
FS:  0000555568ac1500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c006eb4000 CR3: 0000000075335000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400