ERROR: (device loop1): remounting filesystem as read-only
btstack dump:
bn = 0, index = 0
bn = 72c, index = 0
bn = 0, index = 0
bn = 72c, index = 0
bn = 0, index = 0
bn = 72c, 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:1747
 __start_dirop fs/namei.c:2866 [inline]
 start_dirop fs/namei.c:2875 [inline]
 filename_create+0x2c2/0x560 fs/namei.c:4879
 do_mknodat+0x18b/0xed0 fs/namei.c:5026
 __do_sys_mknodat fs/namei.c:5071 [inline]
 __se_sys_mknodat fs/namei.c:5068 [inline]
 __x64_sys_mknodat+0xf3/0x190 fs/namei.c:5068
 x64_sys_call+0x35e7/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:260
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd3/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable btstack created at:
 jfs_lookup+0x44/0x590 fs/jfs/namei.c:1451
 lookup_one_qstr_excl+0x23f/0x7a0 fs/namei.c:1747

CPU: 0 UID: 0 PID: 16940 Comm: syz.1.4248 Tainted: G        W    L      syzkaller #0 PREEMPT(none) 
Tainted: [W]=WARN, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
=====================================================