================================================================== BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty write to 0xffff888108c6cbc0 of 8 bytes by task 17988 on cpu 0: __mark_inode_dirty+0x256/0x7e0 fs/fs-writeback.c:2508 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x231/0x350 fs/inode.c:1992 pick_link+0x31a/0x7e0 fs/namei.c:1790 step_into+0x725/0x810 fs/namei.c:1874 open_last_lookups fs/namei.c:3589 [inline] path_openat+0x10fc/0x1d80 fs/namei.c:3796 do_filp_open+0xf7/0x200 fs/namei.c:3826 do_sys_openat2+0xab/0x120 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1432 x64_sys_call+0x2cad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888108c6cbc0 of 8 bytes by task 17989 on cpu 1: __mark_inode_dirty+0x19f/0x7e0 fs/fs-writeback.c:2499 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x231/0x350 fs/inode.c:1992 pick_link+0x31a/0x7e0 fs/namei.c:1790 step_into+0x725/0x810 fs/namei.c:1874 open_last_lookups fs/namei.c:3589 [inline] path_openat+0x10fc/0x1d80 fs/namei.c:3796 do_filp_open+0xf7/0x200 fs/namei.c:3826 do_sys_openat2+0xab/0x120 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1432 x64_sys_call+0x2cad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000000 -> 0x0000000000000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 17989 Comm: syz-executor.2 Not tainted 6.9.0-rc3-syzkaller-00286-g5939d45155bb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================