KCSAN: data-race in inode_permission / inode

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in inode_permission / inode_permission (5) fs	6	12	1796d	1905d	0/29	auto-closed as invalid on 2021/07/04 17:17
upstream	KCSAN: data-race in inode_permission / inode_permission (2) fs	6	1	2116d	2116d	0/29	auto-closed as invalid on 2020/08/17 22:52
upstream	KCSAN: data-race in inode_permission / inode_permission fs	6	27	2219d	2379d	0/29	auto-closed as invalid on 2020/06/11 10:47
upstream	KCSAN: data-race in inode_permission / inode_permission (3) fs	6	1	2078d	2078d	0/29	auto-closed as invalid on 2020/09/24 20:47

================================================================== BUG: KCSAN: data-race in inode_permission / inode_permission read-write to 0xffff88812735904a of 2 bytes by task 1 on cpu 1: do_inode_permission fs/namei.c:402 [inline] inode_permission+0x30c/0x320 fs/namei.c:463 may_open+0x19f/0x2e0 fs/namei.c:2875 do_open fs/namei.c:3250 [inline] path_openat+0x17ac/0x20a0 fs/namei.c:3369 do_filp_open+0xbd/0x1d0 fs/namei.c:3396 do_sys_openat2+0xa3/0x240 fs/open.c:1168 do_sys_open fs/open.c:1184 [inline] __do_sys_open fs/open.c:1192 [inline] __se_sys_open fs/open.c:1188 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1188 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812735904a of 2 bytes by task 4889 on cpu 0: do_inode_permission fs/namei.c:396 [inline] inode_permission+0x41/0x320 fs/namei.c:463 may_open+0x19f/0x2e0 fs/namei.c:2875 do_open fs/namei.c:3250 [inline] path_openat+0x17ac/0x20a0 fs/namei.c:3369 do_filp_open+0xbd/0x1d0 fs/namei.c:3396 do_sys_openat2+0xa3/0x240 fs/open.c:1168 do_sys_open fs/open.c:1184 [inline] __do_sys_open fs/open.c:1192 [inline] __se_sys_open fs/open.c:1188 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1188 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4889 Comm: systemd-journal Not tainted 5.10.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================