EXT4-fs (loop1): get orphan inode failed EXT4-fs (loop1): mount failed ================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / folio_activate read-write to 0xffff888237c29b88 of 1 bytes by task 2372 on cpu 0: folio_batch_add include/linux/pagevec.h:74 [inline] folio_batch_add_and_move mm/swap.c:231 [inline] folio_activate+0xc0/0x1c0 mm/swap.c:361 folio_mark_accessed+0x119/0x190 mm/swap.c:481 shmem_file_read_iter+0x2d1/0x550 mm/shmem.c:2819 do_iter_read+0x4af/0x780 fs/read_write.c:795 vfs_iter_read+0x56/0x70 fs/read_write.c:837 lo_read_simple drivers/block/loop.c:290 [inline] do_req_filebacked drivers/block/loop.c:500 [inline] loop_handle_cmd drivers/block/loop.c:1915 [inline] loop_process_work+0x98c/0x12e0 drivers/block/loop.c:1950 loop_workfn+0x31/0x40 drivers/block/loop.c:1974 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700 worker_thread+0x525/0x730 kernel/workqueue.c:2781 kthread+0x1d7/0x210 kernel/kthread.c:388 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 read to 0xffff888237c29b88 of 1 bytes by task 5620 on cpu 1: folio_batch_count include/linux/pagevec.h:53 [inline] cpu_needs_drain mm/swap.c:800 [inline] __lru_add_drain_all+0x21d/0x420 mm/swap.c:889 lru_add_drain_all+0x10/0x20 mm/swap.c:905 invalidate_bdev+0x54/0x70 block/bdev.c:86 __ext4_fill_super fs/ext4/super.c:5687 [inline] ext4_fill_super+0x1789/0x39a0 fs/ext4/super.c:5712 get_tree_bdev+0x272/0x300 fs/super.c:1598 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5744 vfs_get_tree+0x51/0x1b0 fs/super.c:1771 do_new_mount+0x203/0x660 fs/namespace.c:3337 path_mount+0x496/0xb30 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3863 __x64_sys_mount+0x67/0x80 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 5620 Comm: syz-executor.1 Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 ==================================================================