ERROR: (device loop1): dtSearch: stack overrun! btstack dump: bn = 0, index = 0 bn = 0, index = 0 bn = 0, index = 0 bn = 0, index = 0 bn = 0, index = 0 bn = 0, index = 0 bn = 0, index = 0 ===================================================== BUG: KMSAN: uninit-value in BT_STACK_DUMP+0x5f7/0x600 fs/jfs/jfs_btree.h:136 BT_STACK_DUMP+0x5f7/0x600 fs/jfs/jfs_btree.h:136 dtSearch+0x393f/0x3d30 fs/jfs/jfs_dtree.c:774 dtDelete+0xa7/0x4ab0 fs/jfs/jfs_dtree.c:2102 jfs_unlink+0x4fc/0x15e0 fs/jfs/namei.c:502 vfs_unlink+0x616/0xab0 fs/namei.c:4673 do_unlinkat+0x694/0xd80 fs/namei.c:4737 __do_sys_unlinkat fs/namei.c:4778 [inline] __se_sys_unlinkat fs/namei.c:4771 [inline] __x64_sys_unlinkat+0x1a5/0x210 fs/namei.c:4771 x64_sys_call+0x3c58/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:264 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable xas created at: xa_load+0x40/0x1d0 lib/xarray.c:1614 list_lru_from_memcg_idx mm/list_lru.c:56 [inline] lock_list_lru_of_memcg mm/list_lru.c:87 [inline] list_lru_add+0x197/0x8b0 mm/list_lru.c:167 CPU: 0 UID: 0 PID: 22194 Comm: syz.1.4564 Tainted: G W syzkaller #0 PREEMPT(none) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 =====================================================