syzbot

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kernel BUG at fs/reiserfs/journal.c:1913!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4292 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:do_journal_release+0x4e2/0x4f0 fs/reiserfs/journal.c:1913
Code: bd ff e9 a8 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 06 fd ff ff 4c 89 ff e8 c8 83 bd ff e9 f9 fc ff ff e8 6e 78 78 ff <0f> 0b e8 67 78 78 ff 0f 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 f3
RSP: 0018:ffffc9000315fb80 EFLAGS: 00010293
RAX: ffffffff8200a8a2 RBX: 1ffff9200062bf74 RCX: ffff88807d135940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000315fc78 R08: ffffc9000315fbf7 R09: ffffc9000315fbc0
R10: dffffc0000000000 R11: fffff5200062bf7f R12: ffffc90003201000
R13: dffffc0000000000 R14: ffff88807d318678 R15: 0000000000000000
FS:  00005555705b7500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000004f1dcf33188 CR3: 000000005ce1a000 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+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
 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: 0033:0x7f7559bdda57
Code: a2 c7 05 9c fc 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcd70538b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f7559c72048 RCX: 00007f7559bdda57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcd7053970
RBP: 00007ffcd7053970 R08: 00007ffcd7054970 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd7054