================================================================== BUG: KCSAN: data-race in fuse_get_req / fuse_set_initialized write to 0xffff8880a0f16f04 of 4 bytes by task 18990 on cpu 0: fuse_set_initialized+0x15/0x30 fs/fuse/dev.c:81 process_init_reply+0xa88/0xab0 fs/fuse/inode.c:983 fuse_request_end+0x757/0x7a0 fs/fuse/dev.c:326 end_requests fs/fuse/dev.c:2056 [inline] fuse_dev_release+0x248/0x310 fs/fuse/dev.c:2181 __fput+0x246/0x4d0 fs/file_table.c:281 ____fput+0x11/0x20 fs/file_table.c:314 task_work_run+0x8e/0x110 kernel/task_work.c:141 get_signal+0x11cf/0x1650 kernel/signal.c:2561 arch_do_signal+0x25/0x270 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:135 [inline] exit_to_user_mode_prepare+0x124/0x210 kernel/entry/common.c:166 syscall_exit_to_user_mode+0x16/0x30 kernel/entry/common.c:241 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880a0f16f04 of 4 bytes by task 18995 on cpu 1: fuse_block_alloc fs/fuse/dev.c:86 [inline] fuse_get_req+0xed/0x510 fs/fuse/dev.c:113 fuse_simple_request+0x71/0xd50 fs/fuse/dev.c:492 fuse_send_open fs/fuse/file.c:54 [inline] fuse_do_open+0x17e/0x320 fs/fuse/file.c:150 fuse_open_common+0x100/0x160 fs/fuse/file.c:234 fuse_dir_open+0x1e/0x30 fs/fuse/dir.c:1284 do_dentry_open+0x52d/0x890 fs/open.c:817 vfs_open+0x43/0x50 fs/open.c:931 do_open fs/namei.c:3251 [inline] path_openat+0x1844/0x20a0 fs/namei.c:3368 do_filp_open+0xbd/0x1d0 fs/namei.c:3395 do_sys_openat2+0x33b/0x500 fs/open.c:1168 do_sys_open fs/open.c:1184 [inline] __do_sys_openat fs/open.c:1200 [inline] __se_sys_openat fs/open.c:1195 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1195 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 18995 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================