================================================================================ UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4166:22 index 1 is out of range for type '__le32 [1]' CPU: 0 PID: 5560 Comm: syz-executor.3 Not tainted 6.4.0-rc7-next-20230623-syzkaller-g8d2be868b42c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0xd5/0x140 lib/ubsan.c:348 do_journal_end+0x3ee2/0x4b20 fs/reiserfs/journal.c:4166 reiserfs_sync_fs+0xfc/0x130 fs/reiserfs/super.c:78 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56 sync_filesystem+0x8f/0xc0 fs/sync.c:43 reiserfs_remount+0x129/0x1650 fs/reiserfs/super.c:1445 legacy_reconfigure+0x119/0x180 fs/fs_context.c:634 reconfigure_super+0x35a/0xb60 fs/super.c:961 do_remount fs/namespace.c:2882 [inline] path_mount+0x186b/0x1e70 fs/namespace.c:3654 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7faca828d62a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faca8fddf88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faca828d62a RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00007faca8fde020 R08: 00007faca8fde020 R09: 0000000001a484bc R10: 0000000001a484bc R11: 0000000000000246 R12: 00000000200000c0 R13: 0000000020000100 R14: 00007faca8fddfe0 R15: 00000000200007c0 ================================================================================