================================================================== BUG: KCSAN: data-race in inode_update_timestamps / inode_update_timestamps write to 0xffff8881394f49b0 of 8 bytes by task 7587 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1541 [inline] inode_update_timestamps+0x4d1/0x560 fs/inode.c:1876 generic_update_time fs/inode.c:1898 [inline] inode_update_time fs/inode.c:1918 [inline] touch_atime+0x15c/0x2d0 fs/inode.c:1990 do_readlinkat+0x164/0x210 fs/stat.c:510 __do_sys_readlink fs/stat.c:532 [inline] __se_sys_readlink fs/stat.c:529 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:529 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff8881394f49b0 of 8 bytes by task 3254 on cpu 1: inode_get_atime include/linux/fs.h:1535 [inline] inode_update_timestamps+0x498/0x560 fs/inode.c:1873 generic_update_time fs/inode.c:1898 [inline] inode_update_time fs/inode.c:1918 [inline] touch_atime+0x15c/0x2d0 fs/inode.c:1990 do_readlinkat+0x164/0x210 fs/stat.c:510 __do_sys_readlink fs/stat.c:532 [inline] __se_sys_readlink fs/stat.c:529 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:529 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x59/0x120 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x0000000020b2c932 -> 0x0000000023152332 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3254 Comm: udevd Not tainted 6.8.0-rc1-syzkaller-00169-gecb1b8288dc7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ================================================================== I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0