================================================================== BUG: KCSAN: data-race in __filemap_remove_folio / filemap_write_and_wait_range read-write to 0xffff88810a50be70 of 8 bytes by task 5822 on cpu 1: page_cache_delete mm/filemap.c:150 [inline] __filemap_remove_folio+0x224/0x320 mm/filemap.c:228 invalidate_complete_folio2 mm/truncate.c:586 [inline] invalidate_inode_pages2_range+0x506/0x790 mm/truncate.c:673 kiocb_invalidate_pages+0x1b1/0x1e0 mm/filemap.c:2770 __iomap_dio_rw+0x576/0x10a0 fs/iomap/direct-io.c:554 iomap_dio_rw+0x40/0x90 fs/iomap/direct-io.c:665 ext4_dio_write_iter fs/ext4/file.c:609 [inline] ext4_file_write_iter+0xab3/0x1230 fs/ext4/file.c:720 do_iter_write+0x4b4/0x7b0 fs/read_write.c:860 vfs_iter_write+0x56/0x70 fs/read_write.c:901 iter_file_splice_write+0x462/0x7e0 fs/splice.c:739 do_splice_from fs/splice.c:934 [inline] direct_splice_actor+0x8a/0xb0 fs/splice.c:1143 splice_direct_to_actor+0x31d/0x690 fs/splice.c:1089 do_splice_direct+0x10d/0x190 fs/splice.c:1195 do_sendfile+0x3b6/0x9a0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88810a50be70 of 8 bytes by task 5843 on cpu 0: mapping_needs_writeback mm/filemap.c:631 [inline] filemap_write_and_wait_range+0x54/0x220 mm/filemap.c:680 kiocb_invalidate_pages+0x87/0x1e0 mm/filemap.c:2759 __iomap_dio_rw+0x576/0x10a0 fs/iomap/direct-io.c:554 iomap_dio_rw+0x40/0x90 fs/iomap/direct-io.c:665 ext4_dio_write_iter fs/ext4/file.c:609 [inline] ext4_file_write_iter+0xab3/0x1230 fs/ext4/file.c:720 do_iter_write+0x4b4/0x7b0 fs/read_write.c:860 vfs_iter_write+0x56/0x70 fs/read_write.c:901 iter_file_splice_write+0x462/0x7e0 fs/splice.c:739 do_splice_from fs/splice.c:934 [inline] direct_splice_actor+0x8a/0xb0 fs/splice.c:1143 splice_direct_to_actor+0x31d/0x690 fs/splice.c:1089 do_splice_direct+0x10d/0x190 fs/splice.c:1195 do_sendfile+0x3b6/0x9a0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000000190 -> 0x000000000000018b Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5843 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-11478-gd528014517f2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 ==================================================================