EXT4-fs (loop1): unmounting filesystem. ===================================================== BUG: KMSAN: uninit-value in ext4_evict_inode+0xdd/0x26b0 fs/ext4/inode.c:180 ext4_evict_inode+0xdd/0x26b0 fs/ext4/inode.c:180 evict+0x365/0x9a0 fs/inode.c:664 iput_final fs/inode.c:1747 [inline] iput+0x985/0xdd0 fs/inode.c:1773 ext4_mb_release+0x1058/0x1910 fs/ext4/mballoc.c:3553 ext4_put_super+0x42b/0x1a60 fs/ext4/super.c:1230 generic_shutdown_super+0x18c/0x570 fs/super.c:492 kill_block_super+0x8d/0x180 fs/super.c:1428 deactivate_locked_super+0xb1/0x120 fs/super.c:332 deactivate_super+0x13a/0x150 fs/super.c:363 cleanup_mnt+0x6b5/0x730 fs/namespace.c:1186 __cleanup_mnt+0x1e/0x30 fs/namespace.c:1193 task_work_run+0x229/0x2c0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x2a9/0x320 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x16e/0x220 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x23/0x40 kernel/entry/common.c:296 __do_fast_syscall_32+0xb1/0x100 arch/x86/entry/common.c:181 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:5581 alloc_pages+0xaae/0xd80 mm/mempolicy.c:2285 alloc_slab_page mm/slub.c:1794 [inline] allocate_slab+0x22e/0x1180 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x10c3/0x2d60 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru+0x6f3/0xb30 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3125 [inline] ext4_alloc_inode+0x5f/0x860 fs/ext4/super.c:1321 alloc_inode+0x83/0x440 fs/inode.c:259 new_inode_pseudo fs/inode.c:1018 [inline] new_inode+0x3b/0x430 fs/inode.c:1046 __ext4_new_inode+0x2a7/0x7ec0 fs/ext4/ialloc.c:959 ext4_mkdir+0x4d5/0x1560 fs/ext4/namei.c:2992 vfs_mkdir+0x62a/0x870 fs/namei.c:4036 do_mkdirat+0x466/0x7b0 fs/namei.c:4061 __do_sys_mkdir fs/namei.c:4081 [inline] __se_sys_mkdir fs/namei.c:4079 [inline] __ia32_sys_mkdir+0x9d/0xe0 fs/namei.c:4079 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: 0 PID: 3525 Comm: syz-executor.1 Not tainted 6.1.0-syzkaller-64311-g5c6259d6d19f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 =====================================================