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+0x560/0x760 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:4625
 __do_sys_unlink fs/namei.c:4696 [inline]
 __se_sys_unlink fs/namei.c:4694 [inline]
 __ia32_sys_unlink+0x70/0xa0 fs/namei.c:4694
 ia32_sys_call+0x1e42/0x42c0 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+0xb0/0x150 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable path created at:
 step_into+0x46/0x15b0 fs/namei.c:1974
 open_last_lookups fs/namei.c:3834 [inline]
 path_openat+0x3b4b/0x6760 fs/namei.c:4043

CPU: 0 UID: 0 PID: 27866 Comm: syz.2.7650 Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
=====================================================