ERROR: (device loop7): remounting filesystem as read-only
btstack dump:
bn = 0, index = 0
bn = 2d, index = 0
bn = 0, index = 0
bn = 2d, index = 0
bn = 0, index = 0
bn = 2d, 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_one_qstr_excl+0x23f/0x7a0 fs/namei.c:1705
 filename_create+0x2cb/0x590 fs/namei.c:4227
 do_mkdirat+0x66/0xf30 fs/namei.c:4478
 __do_sys_mkdirat fs/namei.c:4503 [inline]
 __se_sys_mkdirat fs/namei.c:4501 [inline]
 __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4501
 x64_sys_call+0x338/0x3e30 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 nd created at:
 __filename_parentat+0x4c/0x990 fs/namei.c:2742
 filename_parentat fs/namei.c:2765 [inline]
 filename_create+0xb5/0x590 fs/namei.c:4207

CPU: 0 UID: 0 PID: 7469 Comm: syz.7.206 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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