================================================================== BUG: KCSAN: data-race in filemap_write_and_wait_range / page_cache_delete read-write to 0xffff8881364d4520 of 8 bytes by task 12944 on cpu 0: page_cache_delete+0x32c/0x360 mm/filemap.c:145 __filemap_remove_folio+0x3b/0xf0 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+0x5e2/0xf80 fs/iomap/direct-io.c:572 iomap_dio_rw+0x38/0x80 fs/iomap/direct-io.c:681 ext4_dio_write_iter fs/ext4/file.c:566 [inline] ext4_file_write_iter+0x7df/0xdf0 fs/ext4/file.c:677 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:852 vfs_iter_write+0x4c/0x70 fs/read_write.c:893 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x660 fs/splice.c:891 do_splice_direct+0xfb/0x180 fs/splice.c:979 do_sendfile+0x3ad/0x900 fs/read_write.c:1246 __do_sys_sendfile64 fs/read_write.c:1311 [inline] __se_sys_sendfile64 fs/read_write.c:1297 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297 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+0x44/0xae read to 0xffff8881364d4520 of 8 bytes by task 12950 on cpu 1: mapping_needs_writeback mm/filemap.c:627 [inline] filemap_write_and_wait_range+0x34/0x2e0 mm/filemap.c:672 __iomap_dio_rw+0x514/0xf80 fs/iomap/direct-io.c:562 iomap_dio_rw+0x38/0x80 fs/iomap/direct-io.c:681 ext4_dio_write_iter fs/ext4/file.c:566 [inline] ext4_file_write_iter+0x7df/0xdf0 fs/ext4/file.c:677 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:852 vfs_iter_write+0x4c/0x70 fs/read_write.c:893 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:936 splice_direct_to_actor+0x345/0x660 fs/splice.c:891 do_splice_direct+0xfb/0x180 fs/splice.c:979 do_sendfile+0x3ad/0x900 fs/read_write.c:1246 __do_sys_sendfile64 fs/read_write.c:1311 [inline] __se_sys_sendfile64 fs/read_write.c:1297 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1297 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+0x44/0xae value changed: 0x00000000000000ac -> 0x00000000000000ab Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12950 Comm: syz-executor.4 Not tainted 5.18.0-rc1-syzkaller-00016-g3e732ebf7316-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================