===================================================== 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+0x30f/0xda0 net/unix/af_unix.c:971 CPU: 0 PID: 28762 Comm: syz-executor.5 Not tainted 5.7.0-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+0x1c9/0x220 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+0x30f/0xda0 net/unix/af_unix.c:971 unix_stream_connect+0x7c5/0x2450 net/unix/af_unix.c:1281 p9_fd_create_unix+0x2cf/0x690 net/9p/trans_fd.c:1024 p9_client_create+0xfdc/0x1dc0 net/9p/client.c:1039 v9fs_session_init+0x2ab/0x2a10 fs/9p/v9fs.c:406 v9fs_mount+0x150/0x1170 fs/9p/vfs_super.c:124 legacy_get_tree+0x169/0x2e0 fs/fs_context.c:622 vfs_get_tree+0xdd/0x580 fs/super.c:1547 do_new_mount fs/namespace.c:2816 [inline] do_mount+0x3624/0x53a0 fs/namespace.c:3141 __do_compat_sys_mount fs/compat.c:122 [inline] __se_compat_sys_mount+0x3a8/0xa10 fs/compat.c:89 __ia32_compat_sys_mount+0x62/0x80 fs/compat.c:89 do_syscall_32_irqs_on arch/x86/entry/common.c:339 [inline] do_fast_syscall_32+0x3bf/0x6d0 arch/x86/entry/common.c:398 entry_SYSENTER_compat+0x68/0x77 arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f54dd9 Code: 90 e8 0b 00 00 00 f3 90 0f ae e8 eb f9 8d 74 26 00 89 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 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:00000000f5d4f0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 0000000020000100 RCX: 0000000020000140 RDX: 0000000020000000 RSI: 0000000000000000 RDI: 0000000020000040 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/0x690 net/9p/trans_fd.c:1001 p9_fd_create_unix+0x8d/0x690 net/9p/trans_fd.c:1001 =====================================================