ERROR: (device loop8): txAbort: ERROR: (device loop8): 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 jfs_mkdir+0x4eb/0x13a0 fs/jfs/namei.c:246 vfs_mkdir+0x4ea/0x850 fs/namei.c:4375 do_mkdirat+0x41a/0xf30 fs/namei.c:4408 __do_sys_mkdirat fs/namei.c:4425 [inline] __se_sys_mkdirat fs/namei.c:4423 [inline] __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4423 x64_sys_call+0x370b/0x3db0 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 request created at: current_check_access_path+0x40d/0x500 security/landlock/fs.c:960 hook_path_mkdir+0x33/0x40 security/landlock/fs.c:1531 CPU: 1 UID: 0 PID: 21423 Comm: syz.8.3417 Tainted: G W 6.16.0-rc7-syzkaller-00114-g327579671a9b #0 PREEMPT(none) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 =====================================================