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BUG: KCSAN: data-race in do_timerfd_settime / do_timerfd_settime
write to 0xffff88811e8265d4 of 1 bytes by task 4413 on cpu 1:
timerfd_setup_cancel fs/timerfd.c:166 [inline]
do_timerfd_settime+0x989/0xa70 fs/timerfd.c:476
__do_sys_timerfd_settime fs/timerfd.c:567 [inline]
__se_sys_timerfd_settime fs/timerfd.c:558 [inline]
__x64_sys_timerfd_settime+0xb5/0x140 fs/timerfd.c:558
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
read to 0xffff88811e8265d4 of 1 bytes by task 4414 on cpu 0:
timerfd_canceled fs/timerfd.c:153 [inline]
timerfd_setup fs/timerfd.c:227 [inline]
do_timerfd_settime+0x8a8/0xa70 fs/timerfd.c:519
__do_sys_timerfd_settime fs/timerfd.c:567 [inline]
__se_sys_timerfd_settime fs/timerfd.c:558 [inline]
__x64_sys_timerfd_settime+0xb5/0x140 fs/timerfd.c:558
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
value changed: 0x00 -> 0x01
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 4414 Comm: syz-executor.5 Tainted: G W 6.1.0-rc2-syzkaller-00487-gb72018ab8236-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
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