================================================================== BUG: KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range read-write to 0xffff88810b149d80 of 8 bytes by task 1409 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 __iomap_dio_rw+0x6a6/0x1000 fs/iomap/direct-io.c:583 iomap_dio_rw+0x3c/0x80 fs/iomap/direct-io.c:690 ext4_dio_write_iter fs/ext4/file.c:587 [inline] ext4_file_write_iter+0xa27/0x1170 fs/ext4/file.c:698 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 0xffff88810b149d80 of 8 bytes by task 1410 on cpu 0: mapping_needs_writeback mm/filemap.c:627 [inline] filemap_write_and_wait_range+0x34/0x1d0 mm/filemap.c:673 __iomap_dio_rw+0x5dc/0x1000 fs/iomap/direct-io.c:573 iomap_dio_rw+0x3c/0x80 fs/iomap/direct-io.c:690 ext4_dio_write_iter fs/ext4/file.c:587 [inline] ext4_file_write_iter+0xa27/0x1170 fs/ext4/file.c:698 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: 0x00000000000000a9 -> 0x00000000000000a2 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1410 Comm: syz-executor.0 Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 ==================================================================