================================================================== BUG: KCSAN: data-race in __delete_from_page_cache / filemap_write_and_wait_range write to 0xffff8881004055a8 of 8 bytes by task 380 on cpu 1: page_cache_delete mm/filemap.c:147 [inline] __delete_from_page_cache+0x1de/0x280 mm/filemap.c:232 __remove_mapping+0x35b/0x470 mm/vmscan.c:1174 remove_mapping+0x22/0x60 mm/vmscan.c:1196 invalidate_complete_page mm/truncate.c:206 [inline] invalidate_inode_page+0x15d/0x190 mm/truncate.c:255 __invalidate_mapping_pages+0x110/0x340 mm/truncate.c:494 invalidate_mapping_pages+0x23/0x30 mm/truncate.c:533 invalidate_bdev+0x67/0x80 block/bdev.c:88 bdev_disk_changed+0xf6/0xe60 block/partitions/core.c:676 blkdev_get_whole block/bdev.c:681 [inline] blkdev_get_by_dev+0x6aa/0xca0 block/bdev.c:823 blkdev_reread_part block/ioctl.c:103 [inline] blkdev_common_ioctl+0x10a1/0x1110 block/ioctl.c:513 blkdev_ioctl+0x16e/0x3f0 block/ioctl.c:583 block_ioctl+0x6e/0x80 block/fops.c:478 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:860 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881004055a8 of 8 bytes by task 31048 on cpu 0: mapping_needs_writeback mm/filemap.c:639 [inline] filemap_write_and_wait_range+0x36/0x3c0 mm/filemap.c:703 generic_file_direct_write+0xb4/0x410 mm/filemap.c:3648 __generic_file_write_iter+0x1bc/0x310 mm/filemap.c:3854 blkdev_write_iter+0x1fd/0x2c0 block/fops.c:519 call_write_iter include/linux/fs.h:2163 [inline] do_iter_readv_writev+0x2de/0x380 fs/read_write.c:729 do_iter_write+0x192/0x5c0 fs/read_write.c:855 vfs_iter_write+0x4c/0x70 fs/read_write.c:896 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+0x63e/0xbb0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1314 [inline] __se_sys_sendfile64 fs/read_write.c:1300 [inline] __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1300 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000000000000e6e -> 0x0000000000000e6b Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31048 Comm: syz-executor.1 Not tainted 5.15.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================