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+0x5e5/0x600 fs/jfs/jfs_btree.h:136 BT_STACK_DUMP+0x5e5/0x600 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_rename+0x1701/0x2df0 fs/jfs/namei.c:1239 vfs_rename+0x1f3d/0x2510 fs/namei.c:5216 do_renameat2+0x1433/0x19d0 fs/namei.c:5364 __do_sys_rename fs/namei.c:5411 [inline] __se_sys_rename fs/namei.c:5409 [inline] __x64_sys_rename+0xd7/0x140 fs/namei.c:5409 x64_sys_call+0x269/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:83 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 btstack created at: dtDelete+0x68/0x4ab0 fs/jfs/jfs_dtree.c:2086 jfs_rename+0x1701/0x2df0 fs/jfs/namei.c:1239 CPU: 1 UID: 0 PID: 9019 Comm: syz.2.780 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 =====================================================