REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ================================================================================ 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: 5032 Comm: syz-executor254 Not tainted 6.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __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:666 kill_block_super+0x3b/0x70 fs/super.c:1646 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde/0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa92/0x2a20 kernel/exit.c:874 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9011c4aa89 Code: Unable to access opcode bytes at 0x7f9011c4aa5f. RSP: 002b:00007ffe7c8a52d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9011c4aa89 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f9011cc8390 R08: ffffffffffffffb8 R09: 00000000000010f7 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9011cc8390 R13: 0000000000000000 R14: 00007f9011cc9100 R15: 00007f9011c18d40 ================================================================================