EXT4-fs (loop2): bad geometry: block count 128 exceeds size of device (10 blocks) ================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / pagevec_lru_move_fn write to 0xffff888237c279c8 of 1 bytes by task 1826 on cpu 0: pagevec_reinit include/linux/pagevec.h:56 [inline] pagevec_lru_move_fn+0x317/0x340 mm/swap.c:215 activate_page_drain mm/swap.c:338 [inline] lru_add_drain_cpu+0x230/0x260 mm/swap.c:637 lru_add_drain mm/swap.c:716 [inline] __pagevec_release+0x4b/0xc0 mm/swap.c:996 pagevec_release include/linux/pagevec.h:81 [inline] write_cache_pages+0x699/0x7f0 mm/page-writeback.c:2294 generic_writepages+0x7c/0xc0 mm/page-writeback.c:2346 blkdev_writepages+0x19/0x20 block/fops.c:428 do_writepages+0x1cb/0x330 mm/page-writeback.c:2364 filemap_fdatawrite_wbc mm/filemap.c:407 [inline] __filemap_fdatawrite_range mm/filemap.c:440 [inline] __filemap_fdatawrite mm/filemap.c:446 [inline] filemap_flush+0xd7/0x100 mm/filemap.c:473 sync_blockdev_nowait+0x32/0x40 block/bdev.c:192 sync_filesystem+0xc9/0x150 fs/sync.c:57 generic_shutdown_super+0x40/0x250 fs/super.c:448 kill_block_super+0x4a/0x90 fs/super.c:1397 deactivate_locked_super+0x6a/0xb0 fs/super.c:335 deactivate_super+0x85/0x90 fs/super.c:366 cleanup_mnt+0x267/0x2d0 fs/namespace.c:1137 __cleanup_mnt+0x15/0x20 fs/namespace.c:1144 task_work_run+0x8e/0x110 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x160/0x190 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888237c279c8 of 1 bytes by task 6086 on cpu 1: pagevec_count include/linux/pagevec.h:61 [inline] need_activate_page_drain mm/swap.c:343 [inline] __lru_add_drain_all+0x236/0x3e0 mm/swap.c:839 lru_add_drain_all+0xc/0x10 mm/swap.c:856 invalidate_bdev+0x56/0x80 block/bdev.c:88 invalidate_disk+0x25/0xb0 block/genhd.c:651 __loop_clr_fd+0x41f/0x6c0 drivers/block/loop.c:1147 loop_clr_fd drivers/block/loop.c:1237 [inline] lo_ioctl+0x985/0x1270 drivers/block/loop.c:1562 blkdev_ioctl+0x20e/0x440 block/ioctl.c:609 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+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 6086 Comm: syz-executor.2 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================