loop3: detected capacity change from 0 to 2048
=====================================================
BUG: KMSAN: uninit-value in nilfs_bmap_lookup_at_level+0x22e/0x4c0 fs/nilfs2/bmap.c:69
 nilfs_bmap_lookup_at_level+0x22e/0x4c0 fs/nilfs2/bmap.c:69
 nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline]
 nilfs_mdt_submit_block+0x2c3/0xec0 fs/nilfs2/mdt.c:142
 nilfs_mdt_read_block+0x89/0x5f0 fs/nilfs2/mdt.c:176
 nilfs_mdt_get_block+0x77/0x1b0 fs/nilfs2/mdt.c:251
 nilfs_palloc_get_block+0x19b/0x380 fs/nilfs2/alloc.c:216
 nilfs_palloc_get_entry_block+0x242/0x310 fs/nilfs2/alloc.c:318
 nilfs_ifile_get_inode_block+0x12a/0x2c0 fs/nilfs2/ifile.c:143
 __nilfs_read_inode fs/nilfs2/inode.c:477 [inline]
 nilfs_iget+0x29e/0xcf0 fs/nilfs2/inode.c:603
 nilfs_get_root_dentry+0x46/0x580 fs/nilfs2/super.c:904
 nilfs_fill_super+0x77a/0x9f0 fs/nilfs2/super.c:1078
 nilfs_mount+0xb17/0x1200 fs/nilfs2/super.c:1317
 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610
 vfs_get_tree+0xa1/0x500 fs/super.c:1530
 do_new_mount+0x694/0x1580 fs/namespace.c:3040
 path_mount+0x71a/0x1f00 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x734/0x840 fs/namespace.c:3568
 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3568
 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:5556
 alloc_pages+0xaae/0xd80 mm/mempolicy.c:2270
 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+0x70a/0xba0 mm/slub.c:3290
 alloc_inode_sb include/linux/fs.h:3103 [inline]
 nilfs_alloc_inode+0x5f/0x1c0 fs/nilfs2/super.c:154
 alloc_inode+0x83/0x440 fs/inode.c:260
 iget5_locked+0xa5/0x200 fs/inode.c:1242
 nilfs_iget_locked+0xe2/0x120 fs/nilfs2/inode.c:588
 nilfs_dat_read+0x150/0x590 fs/nilfs2/dat.c:483
 nilfs_load_super_root fs/nilfs2/the_nilfs.c:120 [inline]
 load_nilfs+0x71a/0x1ac0 fs/nilfs2/the_nilfs.c:269
 nilfs_fill_super+0x364/0x9f0 fs/nilfs2/super.c:1059
 nilfs_mount+0xb17/0x1200 fs/nilfs2/super.c:1317
 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610
 vfs_get_tree+0xa1/0x500 fs/super.c:1530
 do_new_mount+0x694/0x1580 fs/namespace.c:3040
 path_mount+0x71a/0x1f00 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x734/0x840 fs/namespace.c:3568
 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3568
 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: 3795 Comm: syz-executor.3 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================