===================================================== 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:201 evict+0x365/0x9a0 fs/inode.c:664 iput_final fs/inode.c:1744 [inline] iput+0x985/0xdd0 fs/inode.c:1770 __ext4_new_inode+0xe72/0x7f50 fs/ext4/ialloc.c:1362 ext4_create+0x35b/0x810 fs/ext4/namei.c:2746 vfs_create+0x432/0x620 fs/namei.c:3031 do_mknodat+0x58d/0xb80 fs/namei.c:3860 __do_sys_mknodat fs/namei.c:3888 [inline] __se_sys_mknodat fs/namei.c:3885 [inline] __ia32_sys_mknodat+0xeb/0x150 fs/namei.c:3885 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x95/0xf0 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+0x4d/0x5c Uninit was created at: __alloc_pages+0x9b0/0xe50 mm/page_alloc.c:5448 alloc_pages+0x927/0xc00 mm/mempolicy.c:2272 alloc_slab_page mm/slub.c:1814 [inline] allocate_slab+0x19b/0xef0 mm/slub.c:1959 new_slab mm/slub.c:2019 [inline] ___slab_alloc+0xa35/0x1b30 mm/slub.c:3020 __slab_alloc mm/slub.c:3107 [inline] slab_alloc_node mm/slub.c:3198 [inline] slab_alloc mm/slub.c:3240 [inline] __kmem_cache_alloc_lru mm/slub.c:3247 [inline] kmem_cache_alloc_lru+0x723/0xbe0 mm/slub.c:3264 alloc_inode_sb include/linux/fs.h:2966 [inline] ext4_alloc_inode+0x5f/0x880 fs/ext4/super.c:1324 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+0x7b1/0x1920 fs/ext4/namei.c:3293 vfs_symlink+0x41c/0x610 fs/namei.c:4297 do_symlinkat+0x26c/0x930 fs/namei.c:4326 __do_sys_symlinkat fs/namei.c:4343 [inline] __se_sys_symlinkat fs/namei.c:4340 [inline] __ia32_sys_symlinkat+0xef/0x160 fs/namei.c:4340 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x95/0xf0 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+0x4d/0x5c CPU: 0 PID: 3782 Comm: syz-executor.4 Not tainted 5.18.0-syzkaller-16266-gfb61e40b30d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================