------------[ cut here ]------------
WARNING: CPU: 0 PID: 5413 at net/kcm/kcmsock.c:533 unreserve_psock+0x2e1/0x6e0 net/kcm/kcmsock.c:533
Modules linked in:
CPU: 0 PID: 5413 Comm: syz-executor.5 Not tainted 6.4.0-rc6-syzkaller-01304-gc08afcdcf952 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:unreserve_psock+0x2e1/0x6e0 net/kcm/kcmsock.c:533
Code: 3c f8 48 89 ef e8 df b1 ff ff 4c 89 f7 e8 97 f9 cd 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 14 c7 3c f8 e8 0f c7 3c f8 <0f> 0b 4c 89 f7 e8 75 f9 cd 00 eb dc e8 fe c6 3c f8 0f 0b e9 f0 fe
RSP: 0018:ffffc900061477c0 EFLAGS: 00010216
RAX: 00000000000000d3 RBX: ffff88802d1d06c0 RCX: ffffc90005bf9000
RDX: 0000000000040000 RSI: ffffffff89477fd1 RDI: ffffc90006147750
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000c28eea R11: 0000000000000000 R12: ffff88802a8242c0
R13: ffff88802d1d06c0 R14: ffff88802a824480 R15: ffff88802d1d0c58
FS:  00007eff27d58700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000740 CR3: 0000000029e85000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kcm_write_msgs+0x571/0x14b0 net/kcm/kcmsock.c:699
 kcm_sendmsg+0x1fe1/0x2720 net/kcm/kcmsock.c:903
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x733/0x920 net/socket.c:2493
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2547
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2576
 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: 0033:0x7eff2708c389
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:00007eff27d58168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007eff271abf80 RCX: 00007eff2708c389
RDX: 0000000000000000 RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007eff270d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc271acaff R14: 00007eff27d58300 R15: 0000000000022000
 </TASK>