KCSAN: data-race in fsverity_file_open / integrity_inode

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in fsverity_file_open / integrity_inode_get lsm integrity	6				1	2106d	2106d	0/29	auto-closed as invalid on 2020/01/22 15:06

================================================================== BUG: KCSAN: data-race in fsverity_file_open / integrity_inode_get read-write to 0xffff88810234462c of 4 bytes by task 19557 on cpu 0: integrity_inode_get+0x194/0x200 security/integrity/iint.c:124 process_measurement+0x206/0x1050 security/integrity/ima/ima_main.c:237 ima_file_check+0x72/0xa0 security/integrity/ima/ima_main.c:498 do_open fs/namei.c:3254 [inline] path_openat+0x1887/0x20a0 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 0xffff88810234462c of 4 bytes by task 19553 on cpu 1: fsverity_file_open+0x1e/0x280 fs/verity/open.c:306 ext4_file_open+0xff/0x4f0 fs/ext4/file.c:837 do_dentry_open+0x520/0x870 fs/open.c:817 vfs_open+0x43/0x50 fs/open.c:931 do_open fs/namei.c:3252 [inline] path_openat+0x1844/0x20a0 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: 1 PID: 19553 Comm: ifquery Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================