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BUG: KCSAN: data-race in touch_atime / touch_atime

write to 0xffff88812753b848 of 8 bytes by task 22822 on cpu 1:
 inode_set_atime_to_ts include/linux/fs.h:1566 [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
 pick_link+0x31a/0x7e0 fs/namei.c:1790
 step_into+0x725/0x810 fs/namei.c:1874
 walk_component fs/namei.c:2010 [inline]
 link_path_walk+0x49d/0x810 fs/namei.c:2331
 path_parentat fs/namei.c:2532 [inline]
 __filename_parentat+0x13c/0x3c0 fs/namei.c:2556
 filename_parentat fs/namei.c:2574 [inline]
 filename_create+0x77/0x2b0 fs/namei.c:3873
 do_mkdirat+0x63/0x2a0 fs/namei.c:4138
 __do_sys_mkdirat fs/namei.c:4161 [inline]
 __se_sys_mkdirat fs/namei.c:4159 [inline]
 __x64_sys_mkdirat+0x50/0x60 fs/namei.c:4159
 x64_sys_call+0x22e9/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:259
 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 0xffff88812753b848 of 8 bytes by task 22821 on cpu 0:
 inode_get_atime include/linux/fs.h:1560 [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
 pick_link+0x31a/0x7e0 fs/namei.c:1790
 step_into+0x725/0x810 fs/namei.c:1874
 walk_component fs/namei.c:2010 [inline]
 link_path_walk+0x49d/0x810 fs/namei.c:2331
 path_parentat fs/namei.c:2532 [inline]
 __filename_parentat+0x13c/0x3c0 fs/namei.c:2556
 filename_parentat fs/namei.c:2574 [inline]
 filename_create+0x77/0x2b0 fs/namei.c:3873
 do_mkdirat+0x63/0x2a0 fs/namei.c:4138
 __do_sys_mkdirat fs/namei.c:4161 [inline]
 __se_sys_mkdirat fs/namei.c:4159 [inline]
 __x64_sys_mkdirat+0x50/0x60 fs/namei.c:4159
 x64_sys_call+0x22e9/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:259
 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: 0x000000001b7555cf -> 0x000000001c0dec4e

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 22821 Comm: syz-executor.0 Tainted: G        W          6.9.0-rc3-syzkaller-00068-g9875c0beb8ad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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