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BUG: KCSAN: data-race in __dentry_kill / d_walk

write to 0xffff88813f24af00 of 4 bytes by task 24762 on cpu 1:
 d_lru_del fs/dcache.c:437 [inline]
 __dentry_kill+0x9a/0x4a0 fs/dcache.c:598
 dput+0x54/0xc0 fs/dcache.c:845
 __fput+0x41d/0x630 fs/file_table.c:384
 ____fput+0x15/0x20 fs/file_table.c:404
 task_work_run+0x135/0x1a0 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x604/0x16d0 kernel/exit.c:871
 do_group_exit+0x101/0x150 kernel/exit.c:1020
 get_signal+0xf4e/0x10a0 kernel/signal.c:2893
 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0x9c/0x130 kernel/entry/common.c:225
 irqentry_exit+0x12/0x40 kernel/entry/common.c:328
 exc_general_protection+0x33b/0x4c0 arch/x86/kernel/traps.c:643
 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564

read to 0xffff88813f24af00 of 4 bytes by task 3072 on cpu 0:
 d_walk+0x272/0x490 fs/dcache.c:1250
 shrink_dcache_parent+0xce/0x1b0 fs/dcache.c:1498
 vfs_rmdir+0x283/0x2f0 fs/namei.c:4209
 do_rmdir+0x194/0x320 fs/namei.c:4264
 __do_sys_unlinkat fs/namei.c:4440 [inline]
 __se_sys_unlinkat fs/namei.c:4434 [inline]
 __x64_sys_unlinkat+0xa4/0xb0 fs/namei.c:4434
 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+0x63/0x6b

value changed: 0x00280100 -> 0x00000100

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3072 Comm: syz-fuzzer Not tainted 6.8.0-rc4-syzkaller-00410-gc02197fc9076 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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