------------[ cut here ]------------
WARNING: CPU: 1 PID: 16233 at include/net/scm.h:138 scm_pidfd_recv include/net/scm.h:138 [inline]
WARNING: CPU: 1 PID: 16233 at include/net/scm.h:138 scm_recv.constprop.0+0x755/0x850 include/net/scm.h:177
Modules linked in:
CPU: 1 PID: 16233 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller-01944-g3674fbf0451d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:scm_pidfd_recv include/net/scm.h:138 [inline]
RIP: 0010:scm_recv.constprop.0+0x755/0x850 include/net/scm.h:177
Code: 0e f9 e9 55 fd ff ff e8 29 f5 0e f9 e9 7f fd ff ff e8 1f f5 0e f9 e9 39 fb ff ff e8 15 f5 0e f9 e9 02 fd ff ff e8 3b e3 bb f8 <0f> 0b e9 f9 fb ff ff e8 1f f5 0e f9 e9 2d f9 ff ff e8 15 f5 0e f9
RSP: 0018:ffffc90003f0f770 EFLAGS: 00010212
RAX: 00000000000000a5 RBX: ffff88805065b000 RCX: ffffc90013631000
RDX: 0000000000040000 RSI: ffffffff88c86625 RDI: 0000000000000007
RBP: ffffc90003f0f910 R08: 0000000000000007 R09: 0000000000000013
R10: 0000000000000124 R11: 0000000000000001 R12: ffffc90003f0fdb0
R13: 0000000000000000 R14: ffff88805065b008 R15: 1ffff920007e1eee
FS:  00007ff339cb1700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005b80 CR3: 000000002dcc8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __unix_dgram_recvmsg+0x824/0xb90 net/unix/af_unix.c:2430
 unix_dgram_recvmsg+0xc4/0xf0 net/unix/af_unix.c:2450
 sock_recvmsg_nosec net/socket.c:1019 [inline]
 sock_recvmsg+0xe2/0x160 net/socket.c:1040
 ____sys_recvmsg+0x210/0x5a0 net/socket.c:2712
 ___sys_recvmsg+0xf2/0x180 net/socket.c:2754
 do_recvmmsg+0x25e/0x6f0 net/socket.c:2848
 __sys_recvmmsg net/socket.c:2927 [inline]
 __do_sys_recvmmsg net/socket.c:2950 [inline]
 __se_sys_recvmmsg net/socket.c:2943 [inline]
 __x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2943
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff338e8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff339cb1168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007ff338fabf80 RCX: 00007ff338e8c389
RDX: 0000000000000001 RSI: 0000000020005b80 RDI: 0000000000000004
RBP: 00007ff338ed7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe02e70b3f R14: 00007ff339cb1300 R15: 0000000000022000
 </TASK>