================================================================== BUG: KCSAN: data-race in file_write_and_wait_range / page_cache_delete read-write to 0xffff888137f26e90 of 8 bytes by task 14183 on cpu 1: 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 generic_file_direct_write+0x209/0x400 mm/filemap.c:3691 __generic_file_write_iter+0x11f/0x280 mm/filemap.c:3863 generic_file_write_iter+0x75/0x130 mm/filemap.c:3939 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:868 vfs_iter_write+0x4c/0x70 fs/read_write.c:909 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:1262 __do_sys_sendfile64 fs/read_write.c:1327 [inline] __se_sys_sendfile64 fs/read_write.c:1313 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1313 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 0xffff888137f26e90 of 8 bytes by task 14175 on cpu 0: mapping_needs_writeback mm/filemap.c:627 [inline] file_write_and_wait_range+0x4b/0x170 mm/filemap.c:778 __generic_file_fsync+0x48/0x140 fs/libfs.c:1115 fat_file_fsync+0x48/0x100 fs/fat/file.c:190 vfs_fsync_range+0x107/0x120 fs/sync.c:188 generic_write_sync include/linux/fs.h:2731 [inline] generic_file_write_iter+0x103/0x130 mm/filemap.c:3943 do_iter_readv_writev+0x27b/0x300 do_iter_write+0x16f/0x5c0 fs/read_write.c:868 vfs_iter_write+0x4c/0x70 fs/read_write.c:909 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:1262 __do_sys_sendfile64 fs/read_write.c:1327 [inline] __se_sys_sendfile64 fs/read_write.c:1313 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1313 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: 0x00000000000001d3 -> 0x00000000000001c8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14175 Comm: syz-executor.5 Not tainted 5.19.0-rc8-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 ==================================================================