================================================================== BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty write to 0xffff888105fccb60 of 8 bytes by task 30710 on cpu 1: __mark_inode_dirty+0x1c4/0x6a0 fs/fs-writeback.c:2433 generic_update_time fs/inode.c:1776 [inline] update_time fs/inode.c:1789 [inline] touch_atime+0x185/0x250 fs/inode.c:1860 pick_link fs/namei.c:1746 [inline] step_into+0x859/0xee0 fs/namei.c:1826 open_last_lookups fs/namei.c:3375 [inline] path_openat+0x102d/0x1ec0 fs/namei.c:3558 do_filp_open+0x105/0x220 fs/namei.c:3588 do_sys_openat2+0xb5/0x2b0 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888105fccb60 of 8 bytes by task 30729 on cpu 0: __mark_inode_dirty+0xda/0x6a0 fs/fs-writeback.c:2419 generic_update_time fs/inode.c:1776 [inline] update_time fs/inode.c:1789 [inline] touch_atime+0x185/0x250 fs/inode.c:1860 pick_link fs/namei.c:1746 [inline] step_into+0x859/0xee0 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:1593 perf_uprobe_init+0xbe/0x140 kernel/trace/trace_event_perf.c:323 perf_uprobe_event_init+0xde/0x140 kernel/events/core.c:9912 perf_try_init_event+0x21a/0x400 kernel/events/core.c:11219 perf_init_event kernel/events/core.c:11283 [inline] perf_event_alloc+0xa60/0x1790 kernel/events/core.c:11574 __do_sys_perf_event_open kernel/events/core.c:12095 [inline] __se_sys_perf_event_open+0x5db/0x2810 kernel/events/core.c:11987 __x64_sys_perf_event_open+0x63/0x70 kernel/events/core.c:11987 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 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: 30729 Comm: syz-executor.0 Not tainted 5.15.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================