===================================================== BUG: KMSAN: uninit-value in comp_keys fs/reiserfs/stree.c:83 [inline] BUG: KMSAN: uninit-value in bin_search fs/reiserfs/stree.c:173 [inline] BUG: KMSAN: uninit-value in search_by_key+0x3293/0x6780 fs/reiserfs/stree.c:770 comp_keys fs/reiserfs/stree.c:83 [inline] bin_search fs/reiserfs/stree.c:173 [inline] search_by_key+0x3293/0x6780 fs/reiserfs/stree.c:770 reiserfs_delete_solid_item+0x4ec/0xe90 fs/reiserfs/stree.c:1419 remove_save_link+0x2ed/0x420 fs/reiserfs/super.c:540 reiserfs_truncate_file+0xd00/0x1b70 fs/reiserfs/inode.c:2314 reiserfs_setattr+0x1b79/0x1ee0 fs/reiserfs/inode.c:3388 notify_change+0x19fd/0x1af0 fs/attr.c:499 do_truncate+0x22a/0x2a0 fs/open.c:66 do_sys_ftruncate+0x81c/0xb30 fs/open.c:194 __do_compat_sys_ftruncate fs/open.c:211 [inline] __se_compat_sys_ftruncate fs/open.c:209 [inline] __ia32_compat_sys_ftruncate+0x70/0xa0 fs/open.c:209 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:321 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x70/0x7a Local variable cpu_key created at: reiserfs_delete_solid_item+0xbf/0xe90 fs/reiserfs/stree.c:1410 remove_save_link+0x2ed/0x420 fs/reiserfs/super.c:540 CPU: 1 PID: 5528 Comm: syz-executor.2 Not tainted 6.7.0-rc8-syzkaller-00174-g95c8a35f1c01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 =====================================================