ERROR: (device loop0): 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_slow+0x563/0x760 fs/namei.c:1858
 lookup_slow+0x6a/0xd0 fs/namei.c:1875
 walk_component fs/namei.c:2221 [inline]
 lookup_last fs/namei.c:2722 [inline]
 path_lookupat+0x7d1/0xdf0 fs/namei.c:2746
 filename_lookup+0x2bd/0x800 fs/namei.c:2775
 user_path_at+0x8d/0x3e0 fs/namei.c:3567
 __do_sys_fspick fs/fsopen.c:186 [inline]
 __se_sys_fspick+0x12a/0x610 fs/fsopen.c:163
 __x64_sys_fspick+0x97/0xe0 fs/fsopen.c:163
 x64_sys_call+0x374f/0x3e70 arch/x86/include/generated/asm/syscalls_64.h:434
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xf80 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_slow+0x563/0x760 fs/namei.c:1858

CPU: 1 UID: 0 PID: 8976 Comm: syz.0.801 Tainted: G             L      syzkaller #0 PREEMPT(none) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
=====================================================