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+0x5e5/0x600 fs/jfs/jfs_btree.h:136
 BT_STACK_DUMP+0x5e5/0x600 fs/jfs/jfs_btree.h:136
 dtSearch+0x37aa/0x3b90 fs/jfs/jfs_dtree.c:771
 jfs_lookup+0x179/0x590 fs/jfs/namei.c:1464
 lookup_one_qstr_excl+0x23b/0x7b0 fs/namei.c:1805
 __start_dirop fs/namei.c:2916 [inline]
 start_dirop fs/namei.c:2938 [inline]
 filename_unlinkat+0x56d/0xc00 fs/namei.c:5549
 __do_sys_unlink fs/namei.c:5603 [inline]
 __se_sys_unlink+0x76/0x320 fs/namei.c:5600
 __ia32_sys_unlink+0x47/0x60 fs/namei.c:5600
 ia32_sys_call+0x1ac8/0x4360 arch/x86/include/generated/asm/syscalls_32.h:11
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x180/0x460 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_one_qstr_excl+0x23b/0x7b0 fs/namei.c:1805

CPU: 0 UID: 0 PID: 8222 Comm: syz.8.386 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
=====================================================