================================================================== BUG: KCSAN: data-race in pipe_lock / pipe_release read-write to 0xffff88814627a66c of 4 bytes by task 13853 on cpu 1: put_pipe_info fs/pipe.c:715 [inline] pipe_release+0x164/0x1c0 fs/pipe.c:745 __fput+0x299/0x630 fs/file_table.c:394 __fput_sync+0x44/0x50 fs/file_table.c:475 __do_sys_close fs/open.c:1587 [inline] __se_sys_close+0xfa/0x1a0 fs/open.c:1572 __x64_sys_close+0x1f/0x30 fs/open.c:1572 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 0xffff88814627a66c of 4 bytes by task 13957 on cpu 0: pipe_lock_nested fs/pipe.c:81 [inline] pipe_lock+0x17/0x40 fs/pipe.c:90 splice_to_socket+0x7e/0x9c0 fs/splice.c:801 do_splice_from fs/splice.c:933 [inline] do_splice+0x99d/0x10a0 fs/splice.c:1292 __do_splice fs/splice.c:1370 [inline] __do_sys_splice fs/splice.c:1586 [inline] __se_sys_splice+0x24c/0x380 fs/splice.c:1568 __x64_sys_splice+0x78/0x90 fs/splice.c:1568 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: 0x00000002 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13957 Comm: syz-executor.4 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ==================================================================