===================================================== 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:965 CPU: 1 PID: 14482 Comm: syz-executor.0 Not tainted 5.9.0-rc4-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:122 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:219 __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:965 unix_stream_connect+0x89a/0x2980 net/unix/af_unix.c:1275 p9_fd_create_unix+0x322/0x700 net/9p/trans_fd.c:1045 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:2875 [inline] path_mount+0x3d1a/0x5d40 fs/namespace.c:3192 do_mount+0x1c6/0x220 fs/namespace.c:3205 __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:80 [inline] __do_fast_syscall_32+0x129/0x180 arch/x86/entry/common.c:139 do_fast_syscall_32+0x6a/0xc0 arch/x86/entry/common.c:162 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:205 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f6d549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f55670cc EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 0000000020000100 RCX: 0000000020000140 RDX: 0000000020000040 RSI: 0000000000000000 RDI: 0000000020000240 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:1022 p9_fd_create_unix+0x8d/0x700 net/9p/trans_fd.c:1022 =====================================================