================================================================== BUG: KCSAN: data-race in inode_update_timestamps / inode_update_timestamps write to 0xffff8881a0eb5570 of 8 bytes by task 3376 on cpu 1: inode_set_atime_to_ts include/linux/fs.h:1537 [inline] inode_update_timestamps+0x4d1/0x560 fs/inode.c:1914 generic_update_time fs/inode.c:1936 [inline] inode_update_time fs/inode.c:1956 [inline] touch_atime+0x15c/0x2d0 fs/inode.c:2028 file_accessed include/linux/fs.h:2360 [inline] iterate_dir+0x2db/0x300 fs/readdir.c:109 __do_sys_getdents64 fs/readdir.c:405 [inline] __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:390 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:390 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff8881a0eb5570 of 8 bytes by task 4590 on cpu 0: inode_get_atime include/linux/fs.h:1531 [inline] inode_update_timestamps+0x498/0x560 fs/inode.c:1911 generic_update_time fs/inode.c:1936 [inline] inode_update_time fs/inode.c:1956 [inline] touch_atime+0x15c/0x2d0 fs/inode.c:2028 file_accessed include/linux/fs.h:2360 [inline] iterate_dir+0x2db/0x300 fs/readdir.c:109 __do_sys_getdents64 fs/readdir.c:405 [inline] __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:390 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:390 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00000000265fc2e7 -> 0x000000002b2476e8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4590 Comm: udevd Not tainted 6.7.0-rc4-syzkaller-00039-g9ace34a8e446 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 ================================================================== I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2