================================================================== BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty write to 0xffff888105b22b60 of 8 bytes by task 14438 on cpu 1: __mark_inode_dirty+0x1bc/0x6c0 fs/fs-writeback.c:2434 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x1c4/0x2e0 fs/inode.c:1867 pick_link fs/namei.c:1751 [inline] step_into+0x891/0xee0 fs/namei.c:1826 open_last_lookups fs/namei.c:3373 [inline] path_openat+0x1059/0x1eb0 fs/namei.c:3556 do_filp_open+0x105/0x220 fs/namei.c:3586 do_sys_openat2+0xb5/0x2b0 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_openat fs/open.c:1244 [inline] __se_sys_openat fs/open.c:1239 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1239 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 read to 0xffff888105b22b60 of 8 bytes by task 14439 on cpu 0: __mark_inode_dirty+0xd7/0x6c0 fs/fs-writeback.c:2420 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x1c4/0x2e0 fs/inode.c:1867 pick_link fs/namei.c:1751 [inline] step_into+0x891/0xee0 fs/namei.c:1826 walk_component+0x1a1/0x360 fs/namei.c:1976 lookup_last fs/namei.c:2425 [inline] path_lookupat+0x12d/0x3d0 fs/namei.c:2449 filename_lookup+0x130/0x310 fs/namei.c:2478 kern_path+0x35/0x100 fs/namei.c:2568 create_local_trace_uprobe+0x51/0x3d0 kernel/trace/trace_uprobe.c:1594 perf_uprobe_init+0xbe/0x140 kernel/trace/trace_event_perf.c:323 perf_uprobe_event_init+0xde/0x140 kernel/events/core.c:9945 perf_try_init_event+0x21a/0x400 kernel/events/core.c:11252 perf_init_event kernel/events/core.c:11316 [inline] perf_event_alloc+0xa10/0x17f0 kernel/events/core.c:11607 __do_sys_perf_event_open kernel/events/core.c:12128 [inline] __se_sys_perf_event_open+0x5e0/0x27c0 kernel/events/core.c:12020 __x64_sys_perf_event_open+0x63/0x70 kernel/events/core.c:12020 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: 0x0000000000000000 -> 0x0000000000000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14439 Comm: syz-executor.1 Not tainted 5.16.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================