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+0x393f/0x3d30 fs/jfs/jfs_dtree.c:774
 jfs_mkdir+0x4eb/0x13a0 fs/jfs/namei.c:246
 vfs_mkdir+0x4ea/0x850 fs/namei.c:4375
 do_mkdirat+0x41a/0xf30 fs/namei.c:4408
 __do_sys_mkdirat fs/namei.c:4425 [inline]
 __se_sys_mkdirat fs/namei.c:4423 [inline]
 __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4423
 x64_sys_call+0x370b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:259
 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_mkdir+0x7e/0x13a0 fs/jfs/namei.c:203
 vfs_mkdir+0x4ea/0x850 fs/namei.c:4375

CPU: 0 UID: 0 PID: 14224 Comm: syz.5.1113 Tainted: G        W           6.16.0-rc7-syzkaller-00114-g327579671a9b #0 PREEMPT(none) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
=====================================================