================================================================== BUG: KCSAN: data-race in __filemap_remove_folio / file_write_and_wait_range read-write to 0xffff88814743cb90 of 8 bytes by task 31007 on cpu 1: page_cache_delete mm/filemap.c:145 [inline] __filemap_remove_folio+0x216/0x2f0 mm/filemap.c:223 invalidate_complete_folio2 mm/truncate.c:594 [inline] invalidate_inode_pages2_range+0x450/0x670 mm/truncate.c:682 generic_file_direct_write+0x209/0x400 mm/filemap.c:3665 __generic_file_write_iter+0x11f/0x280 mm/filemap.c:3837 generic_file_write_iter+0x79/0x1c0 mm/filemap.c:3913 do_iter_write+0x494/0x750 fs/read_write.c:861 vfs_iter_write+0x4c/0x70 fs/read_write.c:902 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:931 splice_direct_to_actor+0x305/0x620 fs/splice.c:886 do_splice_direct+0xfb/0x180 fs/splice.c:974 do_sendfile+0x3bf/0x910 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88814743cb90 of 8 bytes by task 31006 on cpu 0: mapping_needs_writeback mm/filemap.c:627 [inline] file_write_and_wait_range+0x4b/0x170 mm/filemap.c:773 __generic_file_fsync+0x48/0x140 fs/libfs.c:1116 fat_file_fsync+0x48/0x100 fs/fat/file.c:191 vfs_fsync_range+0x107/0x120 fs/sync.c:188 generic_write_sync include/linux/fs.h:2891 [inline] generic_file_write_iter+0x18d/0x1c0 mm/filemap.c:3917 do_iter_write+0x494/0x750 fs/read_write.c:861 vfs_iter_write+0x4c/0x70 fs/read_write.c:902 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:931 splice_direct_to_actor+0x305/0x620 fs/splice.c:886 do_splice_direct+0xfb/0x180 fs/splice.c:974 do_sendfile+0x3bf/0x910 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x000000000000015b -> 0x0000000000000155 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31006 Comm: syz-executor.2 Not tainted 6.1.0-rc8-syzkaller-00154-g296a7b7eb792-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================