EXT4-fs (loop5): bad geometry: first data block 327680 is beyond end of filesystem (1080) ================================================================== BUG: KCSAN: data-race in __lru_cache_add / lru_add_drain_all write to 0xffff88812c029c40 of 1 bytes by task 8577 on cpu 0: pagevec_add include/linux/pagevec.h:81 [inline] __lru_cache_add+0xb8/0x1c0 mm/swap.c:410 lru_cache_add mm/swap.c:447 [inline] lru_cache_add_active_or_unevictable+0xb0/0x1e0 mm/swap.c:477 do_anonymous_page mm/memory.c:3399 [inline] handle_pte_fault mm/memory.c:4213 [inline] __handle_mm_fault+0x1ce5/0x2da0 mm/memory.c:4345 handle_mm_fault+0x21c/0x540 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 read to 0xffff88812c029c40 of 1 bytes by task 8579 on cpu 1: lru_add_drain_all+0x169/0x3a0 mm/swap.c:746 invalidate_bdev+0x65/0x90 fs/block_dev.c:98 __loop_clr_fd+0x24e/0x710 drivers/block/loop.c:1162 loop_clr_fd drivers/block/loop.c:1259 [inline] lo_ioctl+0x24a/0xc50 drivers/block/loop.c:1628 __blkdev_driver_ioctl block/ioctl.c:322 [inline] blkdev_ioctl+0x1a1/0x420 block/ioctl.c:718 block_ioctl+0x91/0xb0 fs/block_dev.c:1996 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x101/0x150 fs/ioctl.c:763 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x47/0x60 fs/ioctl.c:770 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8579 Comm: syz-executor.5 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================