NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): mounting unchecked fs
=====================================================
BUG: KMSAN: uninit-value in crc32_body lib/crc32.c:110 [inline]
BUG: KMSAN: uninit-value in crc32_le_generic lib/crc32.c:179 [inline]
BUG: KMSAN: uninit-value in crc32_le_base+0x54b/0xe70 lib/crc32.c:197
CPU: 0 PID: 12332 Comm: syz-executor.3 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
 crc32_body lib/crc32.c:110 [inline]
 crc32_le_generic lib/crc32.c:179 [inline]
 crc32_le_base+0x54b/0xe70 lib/crc32.c:197
 nilfs_compute_checksum fs/nilfs2/recovery.c:115 [inline]
 nilfs_validate_log+0x6f0/0x9a0 fs/nilfs2/recovery.c:222
 nilfs_search_super_root+0x783/0x2c00 fs/nilfs2/recovery.c:834
 load_nilfs+0x3e3/0x2770 fs/nilfs2/the_nilfs.c:224
 nilfs_fill_super fs/nilfs2/super.c:1058 [inline]
 nilfs_mount+0x164b/0x23b0 fs/nilfs2/super.c:1316
 legacy_get_tree+0x163/0x2e0 fs/fs_context.c:592
 vfs_get_tree+0xd8/0x5e0 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x3dec/0x5e40 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x921/0xa10 fs/namespace.c:3409
 __ia32_sys_mount+0x62/0x80 fs/namespace.c:3409
 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline]
 __do_fast_syscall_32+0x102/0x160 arch/x86/entry/common.c:141
 do_fast_syscall_32+0x6a/0xc0 arch/x86/entry/common.c:166
 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:209
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f2b549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5525440 EFLAGS: 00000296 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000f55254b0 RCX: 0000000020000100
RDX: 0000000020000000 RSI: 0000000000000000 RDI: 00000000f55254f0
RBP: 00000000f55254f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Uninit was created at:
 kmsan_save_stack_with_flags+0x3c/0x90 mm/kmsan/kmsan.c:121
 kmsan_alloc_page+0xd3/0x1f0 mm/kmsan/kmsan_shadow.c:274
 __alloc_pages_nodemask+0x827/0xf90 mm/page_alloc.c:5038
 alloc_pages_current+0x7b6/0xb60 mm/mempolicy.c:2267
 alloc_pages include/linux/gfp.h:547 [inline]
 __page_cache_alloc mm/filemap.c:981 [inline]
 pagecache_get_page+0x1127/0x2070 mm/filemap.c:1841
 find_or_create_page include/linux/pagemap.h:404 [inline]
 grow_dev_page+0x1b8/0xe40 fs/buffer.c:974
 grow_buffers fs/buffer.c:1043 [inline]
 __getblk_slow fs/buffer.c:1070 [inline]
 __getblk_gfp+0x454/0x690 fs/buffer.c:1354
 __getblk include/linux/buffer_head.h:380 [inline]
 __breadahead+0x9e/0x410 fs/buffer.c:1364
 nilfs_search_super_root+0x3ee/0x2c00 fs/nilfs2/recovery.c:825
 load_nilfs+0x3e3/0x2770 fs/nilfs2/the_nilfs.c:224
 nilfs_fill_super fs/nilfs2/super.c:1058 [inline]
 nilfs_mount+0x164b/0x23b0 fs/nilfs2/super.c:1316
 legacy_get_tree+0x163/0x2e0 fs/fs_context.c:592
 vfs_get_tree+0xd8/0x5e0 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x3dec/0x5e40 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x921/0xa10 fs/namespace.c:3409
 __ia32_sys_mount+0x62/0x80 fs/namespace.c:3409
 do_syscall_32_irqs_on arch/x86/entry/common.c:79 [inline]
 __do_fast_syscall_32+0x102/0x160 arch/x86/entry/common.c:141
 do_fast_syscall_32+0x6a/0xc0 arch/x86/entry/common.c:166
 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:209
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
=====================================================