===================================================== BUG: KMSAN: uninit-value in ext4_inode_journal_mode+0x24f/0x480 fs/ext4/ext4_jbd2.c:16 ext4_inode_journal_mode+0x24f/0x480 fs/ext4/ext4_jbd2.c:16 ext4_should_journal_data fs/ext4/ext4_jbd2.h:465 [inline] ext4_evict_inode+0x166/0x2660 fs/ext4/inode.c:200 evict+0x365/0x9a0 fs/inode.c:664 iput_final fs/inode.c:1744 [inline] iput+0x985/0xdd0 fs/inode.c:1770 iget_failed+0x1f0/0x250 fs/bad_inode.c:250 __ext4_iget+0x4907/0x5e90 fs/ext4/inode.c:5031 ext4_nfs_get_inode+0x4f/0x1d0 fs/ext4/super.c:1463 generic_fh_to_dentry+0xde/0x170 fs/libfs.c:1055 ext4_fh_to_dentry+0x49/0x60 fs/ext4/super.c:1477 exportfs_decode_fh_raw+0x142/0xd20 fs/exportfs/expfs.c:436 exportfs_decode_fh+0x55/0x140 fs/exportfs/expfs.c:576 do_handle_to_path fs/fhandle.c:152 [inline] handle_to_path fs/fhandle.c:207 [inline] do_handle_open+0x850/0x1120 fs/fhandle.c:223 __do_compat_sys_open_by_handle_at fs/fhandle.c:277 [inline] __se_compat_sys_open_by_handle_at fs/fhandle.c:274 [inline] __ia32_compat_sys_open_by_handle_at+0x8c/0xd0 fs/fhandle.c:274 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: __alloc_pages+0x9f1/0xe80 mm/page_alloc.c:5471 alloc_pages+0x927/0xc00 mm/mempolicy.c:2272 alloc_slab_page mm/slub.c:1839 [inline] allocate_slab+0x19b/0xef0 mm/slub.c:1984 new_slab mm/slub.c:2044 [inline] ___slab_alloc+0xa85/0x1c60 mm/slub.c:3046 __slab_alloc mm/slub.c:3133 [inline] slab_alloc_node mm/slub.c:3224 [inline] slab_alloc mm/slub.c:3266 [inline] __kmem_cache_alloc_lru mm/slub.c:3273 [inline] kmem_cache_alloc_lru+0x723/0xbe0 mm/slub.c:3290 alloc_inode_sb include/linux/fs.h:2965 [inline] ext4_alloc_inode+0x5f/0x880 fs/ext4/super.c:1327 alloc_inode+0x83/0x440 fs/inode.c:260 new_inode_pseudo fs/inode.c:1018 [inline] new_inode+0x3c/0x4e0 fs/inode.c:1047 __ext4_new_inode+0x2a9/0x7f50 fs/ext4/ialloc.c:960 ext4_symlink+0x584/0x14f0 fs/ext4/namei.c:3336 vfs_symlink+0x41c/0x610 fs/namei.c:4341 do_symlinkat+0x26c/0x930 fs/namei.c:4370 __do_sys_symlinkat fs/namei.c:4387 [inline] __se_sys_symlinkat fs/namei.c:4384 [inline] __ia32_sys_symlinkat+0xef/0x160 fs/namei.c:4384 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 1 PID: 3917 Comm: syz-executor.4 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 =====================================================