loop5: detected capacity change from 0 to 32768
 ... Log Wrap ... Log Wrap ... Log Wrap ...
ERROR: (device loop5): dtSearch: stack overrun!
btstack dump:
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+0x5f7/0x600 fs/jfs/jfs_btree.h:136
 BT_STACK_DUMP+0x5f7/0x600 fs/jfs/jfs_btree.h:136
 dtSearch+0x393f/0x3d30 fs/jfs/jfs_dtree.c:774
 dtDelete+0xa7/0x4ab0 fs/jfs/jfs_dtree.c:2102
 jfs_rename+0x1701/0x2df0 fs/jfs/namei.c:1239
 vfs_rename+0x1f3d/0x2510 fs/namei.c:5216
 do_renameat2+0x1433/0x19d0 fs/namei.c:5364
 __do_sys_rename fs/namei.c:5411 [inline]
 __se_sys_rename fs/namei.c:5409 [inline]
 __ia32_sys_rename+0xd7/0x140 fs/namei.c:5409
 ia32_sys_call+0x351c/0x4310 arch/x86/include/generated/asm/syscalls_32.h:39
 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 list created at:
 mntput_no_expire+0x3c/0xbb0 fs/namespace.c:1350
 mntput+0x84/0xd0 fs/namespace.c:1425

CPU: 1 UID: 0 PID: 23393 Comm: syz.5.5636 Tainted: G        W           syzkaller #0 PREEMPT(none) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
=====================================================