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
 jfs_lookup+0x179/0x590 fs/jfs/namei.c:1461
 __lookup_slow+0x563/0x760 fs/namei.c:1817
 lookup_slow+0x6a/0xd0 fs/namei.c:1834
 walk_component fs/namei.c:2138 [inline]
 link_path_walk+0xef4/0x1460 fs/namei.c:2506
 path_parentat fs/namei.c:2710 [inline]
 __filename_parentat+0x2c7/0x990 fs/namei.c:2734
 filename_parentat fs/namei.c:2752 [inline]
 do_unlinkat+0xe3/0xe50 fs/namei.c:4634
 __do_sys_unlink fs/namei.c:4705 [inline]
 __se_sys_unlink fs/namei.c:4703 [inline]
 __x64_sys_unlink+0x71/0xb0 fs/namei.c:4703
 x64_sys_call+0x29de/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:88
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable btstack created at:
 jfs_lookup+0x44/0x590 fs/jfs/namei.c:1451
 __lookup_slow+0x563/0x760 fs/namei.c:1817

CPU: 1 UID: 0 PID: 8341 Comm: syz.3.849 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
=====================================================