ERROR: (device loop1): remounting filesystem as read-only
btstack dump:
bn = 0, index = 0
bn = 30, index = 0
bn = 0, index = 0
bn = 30, index = 0
bn = 0, index = 0
bn = 30, 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:1816
 lookup_slow+0x6a/0xd0 fs/namei.c:1833
 walk_component+0x444/0x650 fs/namei.c:2151
 lookup_last fs/namei.c:2652 [inline]
 path_lookupat+0x251/0x6b0 fs/namei.c:2676
 filename_lookup+0x2bd/0x800 fs/namei.c:2705
 user_path_at+0x91/0x3d0 fs/namei.c:3215
 do_mount fs/namespace.c:4047 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x654/0x7e0 fs/namespace.c:4215
 __ia32_sys_mount+0xe2/0x150 fs/namespace.c:4215
 ia32_sys_call+0x2c16/0x4310 arch/x86/include/generated/asm/syscalls_32.h:22
 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 fbatch created at:
 truncate_inode_pages_range+0x50/0x1420 mm/truncate.c:346
 truncate_inode_pages+0x2d/0x40 mm/truncate.c:460

CPU: 0 UID: 0 PID: 17883 Comm: syz.1.3529 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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