EXT4-fs (sda1): Delayed block allocation failed for inode 1160 at logical offset 2055 with max blocks 32 with error 28 EXT4-fs (sda1): This should not happen!! Data will be lost ================================================================== BUG: KCSAN: data-race in __writeback_single_inode / inode_io_list_del read-write to 0xffff88810ab803c0 of 8 bytes by task 3150 on cpu 0: inode_io_list_del+0x52/0x1d0 fs/fs-writeback.c:1244 evict+0xad/0x410 fs/inode.c:652 iput_final fs/inode.c:1748 [inline] iput+0x42c/0x5b0 fs/inode.c:1774 do_unlinkat+0x2b3/0x4f0 fs/namei.c:4323 __do_sys_unlink fs/namei.c:4364 [inline] __se_sys_unlink fs/namei.c:4362 [inline] __x64_sys_unlink+0x30/0x40 fs/namei.c:4362 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88810ab803c0 of 8 bytes by task 2006 on cpu 1: __writeback_single_inode+0x48/0x860 fs/fs-writeback.c:1596 writeback_sb_inodes+0x515/0xaa0 fs/fs-writeback.c:1891 wb_writeback+0x23b/0x6c0 fs/fs-writeback.c:2065 wb_do_writeback fs/fs-writeback.c:2208 [inline] wb_workfn+0x1a8/0x8d0 fs/fs-writeback.c:2248 process_one_work+0x3e6/0x750 kernel/workqueue.c:2390 worker_thread+0x5f2/0xa10 kernel/workqueue.c:2537 kthread+0x1ac/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 value changed: 0x0000000000020087 -> 0x00000000000000a7 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2006 Comm: kworker/u4:4 Not tainted 6.3.0-rc3-syzkaller-00317-g65aca32efdcb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: writeback wb_workfn (flush-8:0) ==================================================================