loop4: p4 size 2097152 extends beyond EOD, truncated ================================================================== BUG: KCSAN: data-race in __dentry_kill / vfs_unlink write to 0xffff888104bf2cc0 of 4 bytes by task 3030 on cpu 1: dont_mount include/linux/dcache.h:358 [inline] vfs_unlink+0x2b6/0x4b0 fs/namei.c:4104 do_unlinkat+0x278/0x540 fs/namei.c:4169 __do_sys_unlink fs/namei.c:4217 [inline] __se_sys_unlink fs/namei.c:4215 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4215 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888104bf2cc0 of 4 bytes by task 380 on cpu 0: dentry_unlist fs/dcache.c:547 [inline] __dentry_kill+0x1ef/0x4e0 fs/dcache.c:578 dput+0xc6/0x360 fs/dcache.c:888 handle_mounts fs/namei.c:1502 [inline] step_into+0x468/0xee0 fs/namei.c:1800 walk_component+0x1a1/0x360 fs/namei.c:1976 lookup_last fs/namei.c:2425 [inline] path_lookupat+0x12d/0x3d0 fs/namei.c:2449 filename_lookup+0x130/0x310 fs/namei.c:2478 user_path_at_empty+0x3e/0x110 fs/namei.c:2801 do_readlinkat+0x97/0x210 fs/stat.c:443 __do_sys_readlink fs/stat.c:476 [inline] __se_sys_readlink fs/stat.c:473 [inline] __x64_sys_readlink+0x43/0x50 fs/stat.c:473 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00600008 -> 0x00000008 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 380 Comm: udevd Tainted: G W 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated loop4: p2 p3 p4 loop4: p2 size 327808 extends beyond EOD, truncated loop4: p3 size 1280 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated