===================================================== BUG: KMSAN: uninit-value in __unix_find_socket_byname net/unix/af_unix.c:285 [inline] BUG: KMSAN: uninit-value in unix_find_socket_byname net/unix/af_unix.c:306 [inline] BUG: KMSAN: uninit-value in unix_find_other+0x361/0x1050 net/unix/af_unix.c:971 CPU: 0 PID: 25061 Comm: syz-executor.1 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 __unix_find_socket_byname net/unix/af_unix.c:285 [inline] unix_find_socket_byname net/unix/af_unix.c:306 [inline] unix_find_other+0x361/0x1050 net/unix/af_unix.c:971 unix_stream_connect+0x89a/0x2980 net/unix/af_unix.c:1281 p9_fd_create_unix+0x322/0x700 net/9p/trans_fd.c:1024 p9_client_create+0x10e5/0x1640 net/9p/client.c:1039 v9fs_session_init+0x2ae/0x2cd0 fs/9p/v9fs.c:406 v9fs_mount+0x186/0x1340 fs/9p/vfs_super.c:124 legacy_get_tree+0x163/0x2e0 fs/fs_context.c:592 vfs_get_tree+0xd8/0x5d0 fs/super.c:1547 do_new_mount fs/namespace.c:2874 [inline] do_mount+0x3db8/0x5cf0 fs/namespace.c:3199 __do_compat_sys_mount fs/compat.c:122 [inline] __se_compat_sys_mount+0x7b5/0xaa0 fs/compat.c:89 __ia32_compat_sys_mount+0x62/0x80 fs/compat.c:89 do_syscall_32_irqs_on arch/x86/entry/common.c:430 [inline] __do_fast_syscall_32+0x2af/0x480 arch/x86/entry/common.c:477 do_fast_syscall_32+0x6b/0xd0 arch/x86/entry/common.c:505 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:554 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f1d549 Code: Bad RIP value. RSP: 002b:00000000f55170cc EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 0000000020000100 RDX: 0000000020000140 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----sun_server@p9_fd_create_unix created at: p9_fd_create_unix+0x8d/0x700 net/9p/trans_fd.c:1001 p9_fd_create_unix+0x8d/0x700 net/9p/trans_fd.c:1001 =====================================================