================================================================== BUG: KCSAN: data-race in __filemap_remove_folio / folio_mapping write to 0xffffea0004b3a458 of 8 bytes by task 3654 on cpu 0: page_cache_delete mm/filemap.c:143 [inline] __filemap_remove_folio+0x1b7/0x2c0 mm/filemap.c:219 invalidate_complete_folio2 mm/truncate.c:609 [inline] invalidate_inode_pages2_range+0x456/0x680 mm/truncate.c:697 iomap_dio_complete+0x35e/0x3e0 fs/iomap/direct-io.c:104 iomap_dio_rw+0x56/0x80 fs/iomap/direct-io.c:683 ext4_dio_write_iter fs/ext4/file.c:564 [inline] ext4_file_write_iter+0x7d5/0xda0 fs/ext4/file.c:675 call_write_iter include/linux/fs.h:2074 [inline] do_iter_readv_writev+0x2de/0x380 fs/read_write.c:725 do_iter_write+0x192/0x5c0 fs/read_write.c:851 vfs_iter_write+0x4c/0x70 fs/read_write.c:892 iter_file_splice_write+0x43a/0x790 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+0x345/0x650 fs/splice.c:891 do_splice_direct+0x106/0x190 fs/splice.c:979 do_sendfile+0x675/0xc40 fs/read_write.c:1245 __do_sys_sendfile64 fs/read_write.c:1310 [inline] __se_sys_sendfile64 fs/read_write.c:1296 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1296 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffea0004b3a458 of 8 bytes by task 3645 on cpu 1: folio_mapping+0x92/0x120 mm/util.c:715 folio_evictable mm/internal.h:121 [inline] __pagevec_lru_add_fn+0x81/0x380 mm/swap.c:1043 __pagevec_lru_add+0x1c3/0x270 mm/swap.c:1071 folio_add_lru+0x11a/0x160 mm/swap.c:469 filemap_add_folio+0xf8/0x150 mm/filemap.c:965 __filemap_get_folio+0x4c4/0x690 mm/filemap.c:2001 pagecache_get_page+0x26/0xe0 mm/folio-compat.c:125 grab_cache_page_write_begin+0x3f/0x50 mm/folio-compat.c:139 ext4_da_write_begin+0x292/0x4b0 fs/ext4/inode.c:2941 generic_perform_write+0x1c8/0x400 mm/filemap.c:3765 ext4_buffered_write_iter+0x19d/0x290 fs/ext4/file.c:268 ext4_file_write_iter+0x227/0xda0 call_write_iter include/linux/fs.h:2074 [inline] do_iter_readv_writev+0x2de/0x380 fs/read_write.c:725 do_iter_write+0x192/0x5c0 fs/read_write.c:851 vfs_iter_write+0x4c/0x70 fs/read_write.c:892 iter_file_splice_write+0x43a/0x790 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+0x345/0x650 fs/splice.c:891 do_splice_direct+0x106/0x190 fs/splice.c:979 do_sendfile+0x675/0xc40 fs/read_write.c:1245 __do_sys_sendfile64 fs/read_write.c:1310 [inline] __se_sys_sendfile64 fs/read_write.c:1296 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1296 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0xffff8881298b6da0 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3645 Comm: syz-executor.1 Not tainted 5.17.0-rc4-syzkaller-00051-gc5d9ae265b10-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================