================================================================== BUG: KCSAN: data-race in touch_atime / touch_atime write to 0xffff88810402d280 of 8 bytes by task 3320 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1557 [inline] inode_update_timestamps fs/inode.c:1878 [inline] generic_update_time fs/inode.c:1900 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x1f3/0x350 fs/inode.c:1992 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+0x47/0x60 fs/stat.c:529 x64_sys_call+0x264b/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:90 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88810402d280 of 8 bytes by task 3177 on cpu 1: inode_get_atime include/linux/fs.h:1551 [inline] inode_update_timestamps fs/inode.c:1875 [inline] generic_update_time fs/inode.c:1900 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x1a0/0x350 fs/inode.c:1992 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+0x47/0x60 fs/stat.c:529 x64_sys_call+0x264b/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:90 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x000000000b532bcb -> 0x000000000bebc24b Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3177 Comm: udevd Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ================================================================== blk_print_req_error: 18 callbacks suppressed I/O error, dev loop1, sector 8064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0