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
 dtDelete+0xaa/0x45d0 fs/jfs/jfs_dtree.c:2099
 jfs_unlink+0x4fc/0x15e0 fs/jfs/namei.c:503
 vfs_unlink+0x510/0xb50 fs/namei.c:5508
 filename_unlinkat+0x82b/0xc00 fs/namei.c:5578
 __do_sys_unlink fs/namei.c:5613 [inline]
 __se_sys_unlink+0x76/0x320 fs/namei.c:5610
 __x64_sys_unlink+0x48/0x60 fs/namei.c:5610
 x64_sys_call+0x3c48/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:88
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable btstack created at:
 dtDelete+0x68/0x45d0 fs/jfs/jfs_dtree.c:2083
 jfs_unlink+0x4fc/0x15e0 fs/jfs/namei.c:503

CPU: 1 UID: 0 PID: 16366 Comm: syz.6.2090 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
=====================================================