bn = 0, index = 0 bn = 30, index = 0 bn = 0, index = 0 bn = 30, index = 0 bn = 0, index = 0 bn = 30, index = 0 bn = 0, index = 0 ===================================================== BUG: KMSAN: uninit-value in BT_STACK_DUMP+0x5e5/0x600 fs/jfs/jfs_btree.h:136 BT_STACK_DUMP+0x5e5/0x600 fs/jfs/jfs_btree.h:136 dtSearch+0x3961/0x3d40 fs/jfs/jfs_dtree.c:774 jfs_lookup+0x179/0x590 fs/jfs/namei.c:1464 lookup_open fs/namei.c:4462 [inline] open_last_lookups fs/namei.c:4589 [inline] path_openat+0x2c84/0x64c0 fs/namei.c:4833 do_file_open+0x2aa/0x680 fs/namei.c:4865 do_sys_openat2+0x163/0x380 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_compat_sys_openat fs/open.c:1434 [inline] __se_compat_sys_openat fs/open.c:1432 [inline] __ia32_compat_sys_openat+0x238/0x300 fs/open.c:1432 ia32_sys_call+0x330b/0x4360 arch/x86/include/generated/asm/syscalls_32.h:296 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x17f/0x3f0 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x37/0x80 arch/x86/entry/syscall_32.c:332 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:370 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Local variable btstack created at: jfs_lookup+0x44/0x590 fs/jfs/namei.c:1454 lookup_open fs/namei.c:4462 [inline] open_last_lookups fs/namei.c:4589 [inline] path_openat+0x2c84/0x64c0 fs/namei.c:4833 CPU: 1 UID: 0 PID: 13359 Comm: syz.3.2760 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 =====================================================