================================================================== BUG: KCSAN: data-race in pipe_lock / pipe_release read-write to 0xffff888105cd22ac of 4 bytes by task 9016 on cpu 0: put_pipe_info fs/pipe.c:712 [inline] pipe_release+0x15e/0x1c0 fs/pipe.c:742 __fput+0x17a/0x6d0 fs/file_table.c:431 __fput_sync+0x43/0x60 fs/file_table.c:516 __do_sys_close fs/open.c:1567 [inline] __se_sys_close+0xf9/0x1a0 fs/open.c:1552 __x64_sys_close+0x1f/0x30 fs/open.c:1552 x64_sys_call+0x25cb/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:4 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 0xffff888105cd22ac of 4 bytes by task 9014 on cpu 1: pipe_lock+0x17/0x50 fs/pipe.c:91 ipipe_prep fs/splice.c:1677 [inline] splice_pipe_to_pipe fs/splice.c:1752 [inline] do_splice+0x200/0x1120 fs/splice.c:1331 __do_splice fs/splice.c:1436 [inline] __do_sys_splice fs/splice.c:1652 [inline] __se_sys_splice+0x24c/0x390 fs/splice.c:1634 __x64_sys_splice+0x78/0x90 fs/splice.c:1634 x64_sys_call+0x2945/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:276 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: 0x00000002 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 9014 Comm: syz.5.1564 Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================