loop2: detected capacity change from 0 to 8
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BUG: KMSAN: uninit-value in ondemand_readahead+0xddf/0x1a10 mm/readahead.c:596
 ondemand_readahead+0xddf/0x1a10 mm/readahead.c:596
 page_cache_sync_ra+0x899/0x8d0 mm/readahead.c:709
 page_cache_sync_readahead include/linux/pagemap.h:1210 [inline]
 cramfs_blkdev_read fs/cramfs/inode.c:217 [inline]
 cramfs_read+0x76d/0x1530 fs/cramfs/inode.c:278
 cramfs_lookup+0x247/0x9e0 fs/cramfs/inode.c:767
 __lookup_slow+0x5e4/0x790 fs/namei.c:1685
 lookup_slow+0xdd/0x140 fs/namei.c:1702
 walk_component+0x4bc/0x830 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x30b/0x890 fs/namei.c:2474
 filename_lookup+0x370/0xa50 fs/namei.c:2503
 user_path_at_empty+0x130/0x410 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 user_statfs+0xff/0x780 fs/statfs.c:103
 __do_compat_sys_statfs fs/statfs.c:308 [inline]
 __se_compat_sys_statfs+0x9e/0x810 fs/statfs.c:305
 __ia32_compat_sys_statfs+0x95/0xc0 fs/statfs.c:305
 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+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable ra.i created at:
 cramfs_blkdev_read fs/cramfs/inode.c:186 [inline]
 cramfs_read+0x10a/0x1530 fs/cramfs/inode.c:278
 cramfs_lookup+0x247/0x9e0 fs/cramfs/inode.c:767

CPU: 1 PID: 12376 Comm: syz-executor.2 Not tainted 6.2.0-rc7-syzkaller-80760-g8c89ecf5c13b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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