loop7: detected capacity change from 0 to 512 EXT4-fs: inline encryption not supported ================================================================== BUG: KCSAN: data-race in __filemap_add_folio / filemap_write_and_wait_range read-write to 0xffff8881004c1e70 of 8 bytes by task 4407 on cpu 1: __filemap_add_folio+0x430/0x6f0 mm/filemap.c:910 filemap_add_folio+0x9c/0x1b0 mm/filemap.c:962 page_cache_ra_unbounded+0x177/0x310 mm/readahead.c:273 do_page_cache_ra mm/readahead.c:325 [inline] force_page_cache_ra mm/readahead.c:354 [inline] page_cache_sync_ra+0x252/0x670 mm/readahead.c:566 page_cache_sync_readahead include/linux/pagemap.h:1397 [inline] filemap_get_pages+0x2c1/0x10e0 mm/filemap.c:2537 filemap_read+0x221/0x6a0 mm/filemap.c:2637 blkdev_read_iter+0x20e/0x2c0 block/fops.c:770 new_sync_read fs/read_write.c:484 [inline] vfs_read+0x5dc/0x700 fs/read_write.c:565 ksys_read+0xe8/0x1b0 fs/read_write.c:708 __do_sys_read fs/read_write.c:717 [inline] __se_sys_read fs/read_write.c:715 [inline] __x64_sys_read+0x42/0x50 fs/read_write.c:715 x64_sys_call+0x2874/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff8881004c1e70 of 8 bytes by task 6373 on cpu 0: mapping_needs_writeback mm/filemap.c:625 [inline] filemap_write_and_wait_range+0x59/0x360 mm/filemap.c:674 filemap_write_and_wait include/linux/pagemap.h:68 [inline] sync_blockdev block/bdev.c:218 [inline] set_blocksize+0x1d3/0x270 block/bdev.c:170 sb_set_blocksize block/bdev.c:181 [inline] sb_min_blocksize+0x63/0xe0 block/bdev.c:197 ext4_load_super fs/ext4/super.c:5038 [inline] __ext4_fill_super fs/ext4/super.c:5259 [inline] ext4_fill_super+0x38b/0x3a10 fs/ext4/super.c:5733 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636 get_tree_bdev+0x1f/0x30 fs/super.c:1659 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5765 vfs_get_tree+0x56/0x1e0 fs/super.c:1814 do_new_mount+0x227/0x690 fs/namespace.c:3513 path_mount+0x49b/0xb30 fs/namespace.c:3840 do_mount fs/namespace.c:3853 [inline] __do_sys_mount fs/namespace.c:4063 [inline] __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4040 __x64_sys_mount+0x67/0x80 fs/namespace.c:4040 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000001 -> 0x0000000000000002 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6373 Comm: syz.7.758 Not tainted 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /92/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs error (device loop7): ext4_do_update_inode:5153: inode #2: comm syz.7.758: corrupted inode contents EXT4-fs error (device loop7): ext4_dirty_inode:6041: inode #2: comm syz.7.758: mark_inode_dirty error EXT4-fs error (device loop7): ext4_do_update_inode:5153: inode #2: comm syz.7.758: corrupted inode contents EXT4-fs error (device loop7): ext4_do_update_inode:5153: inode #2: comm syz.7.758: corrupted inode contents EXT4-fs error (device loop7): ext4_dirty_inode:6041: inode #2: comm syz.7.758: mark_inode_dirty error EXT4-fs error (device loop7): ext4_do_update_inode:5153: inode #2: comm syz.7.758: corrupted inode contents EXT4-fs error (device loop7): __ext4_ext_dirty:207: inode #2: comm syz.7.758: mark_inode_dirty error EXT4-fs error (device loop7): ext4_do_update_inode:5153: inode #2: comm syz.7.758: corrupted inode contents EXT4-fs error (device loop7): ext4_dirty_inode:6041: inode #2: comm syz.7.758: mark_inode_dirty error