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UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:22
index 1 is out of range for type '__le32 [1]'
CPU: 0 PID: 5411 Comm: syz-executor.0 Not tainted 6.5.0-rc7-next-20230824-syzkaller-12477-g2b3bd393093b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x111/0x150 lib/ubsan.c:348
 do_journal_end+0x406d/0x4c80 fs/reiserfs/journal.c:4168
 reiserfs_sync_fs+0x10e/0x140 fs/reiserfs/super.c:78
 sync_filesystem fs/sync.c:56 [inline]
 sync_filesystem+0x109/0x280 fs/sync.c:30
 generic_shutdown_super+0x7e/0x3c0 fs/super.c:656
 kill_block_super+0x3b/0x70 fs/super.c:1609
 deactivate_locked_super+0xa0/0x2d0 fs/super.c:454
 deactivate_super+0xde/0x100 fs/super.c:504
 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0c2747dc07
Code: b0 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 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd9d98c518 EFLAGS: 00000246
 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c2747dc07
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd9d98c5d0
RBP: 00007ffd9d98c5d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd9d98d690
R13: 00007f0c274d7aa2 R14: 00000000000174b5 R15: 0000000000000004
 </TASK>
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