truncated loop3: p4 start 18 is beyond EOD, truncated ================================================================== BUG: KCSAN: data-race in drop_nlink / vfs_getattr_nosec write to 0xffff8881032936e0 of 4 bytes by task 21 on cpu 1: drop_nlink+0x37/0x90 fs/inode.c:307 shmem_unlink+0x17b/0x1a0 mm/shmem.c:2934 vfs_unlink+0x257/0x450 fs/namei.c:4100 handle_remove drivers/base/devtmpfs.c:335 [inline] handle drivers/base/devtmpfs.c:382 [inline] devtmpfs_work_loop+0x87c/0x930 drivers/base/devtmpfs.c:395 devtmpfsd+0x3f/0x40 drivers/base/devtmpfs.c:437 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 read to 0xffff8881032936e0 of 4 bytes by task 31895 on cpu 0: generic_fillattr fs/stat.c:49 [inline] vfs_getattr_nosec+0x1c1/0x2f0 fs/stat.c:126 vfs_getattr fs/stat.c:160 [inline] vfs_statx+0x138/0x2a0 fs/stat.c:225 vfs_fstatat fs/stat.c:243 [inline] vfs_stat include/linux/fs.h:3353 [inline] __do_sys_newstat fs/stat.c:385 [inline] __se_sys_newstat+0x5d/0x250 fs/stat.c:381 __x64_sys_newstat+0x2d/0x40 fs/stat.c:381 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000001 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31895 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================