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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: 1 PID: 15843 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: 0023:0xf7faadd9
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:00000000f5da50cc EFLAGS: 00000296 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 0000000020000100 RCX: 0000000020000140
RDX: 0000000020000000 RSI: 0000000000000000 RDI: 0000000020000280
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
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