================================================================================ UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') CPU: 1 PID: 5558 Comm: syz-executor.4 Not tainted 6.5.0-syzkaller-08262-gef2a0b7cdbc5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:348 do_journal_end+0x2092/0x4770 fs/reiserfs/journal.c:4168 journal_end_sync fs/reiserfs/journal.c:3542 [inline] __commit_trans_jl fs/reiserfs/journal.c:3884 [inline] reiserfs_commit_for_inode+0xa69/0xbe0 fs/reiserfs/journal.c:3927 reiserfs_sync_file+0x120/0x270 fs/reiserfs/file.c:159 generic_write_sync include/linux/fs.h:2624 [inline] generic_file_write_iter+0x29d/0x310 mm/filemap.c:4070 call_write_iter include/linux/fs.h:1985 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x77e/0xaf0 fs/read_write.c:584 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb6f0c7cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb6f19b30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb6f0d9bf80 RCX: 00007fb6f0c7cb29 RDX: 000000000000fea7 RSI: 0000000020000040 RDI: 0000000000000006 RBP: 00007fb6f0cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb6f0d9bf80 R15: 00007ffebfea3f18 ================================================================================