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 fs/jfs/jfs_btree.h:136 [inline] BUG: KMSAN: uninit-value in dtReadFirst+0x138b/0x13b0 fs/jfs/jfs_dtree.c:3089 BT_STACK_DUMP fs/jfs/jfs_btree.h:136 [inline] dtReadFirst+0x138b/0x13b0 fs/jfs/jfs_dtree.c:3089 jfs_readdir+0x1093/0x6450 fs/jfs/jfs_dtree.c:2820 wrap_directory_iterator+0xf3/0x190 fs/readdir.c:65 shared_jfs_readdir+0x3c/0x50 fs/jfs/namei.c:1540 iterate_dir+0x5b3/0x9e0 fs/readdir.c:108 __do_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x170/0x550 fs/readdir.c:308 __x64_sys_getdents+0x96/0xe0 fs/readdir.c:308 x64_sys_call+0x38d8/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:79 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable btstack created at: jfs_readdir+0xe2/0x6450 fs/jfs/jfs_dtree.c:2718 wrap_directory_iterator+0xf3/0x190 fs/readdir.c:65 CPU: 1 UID: 0 PID: 9390 Comm: syz.3.976 Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 =====================================================