------------[ cut here ]------------ WARNING: CPU: 0 PID: 6868 at net/kcm/kcmsock.c:533 unreserve_psock+0x2e1/0x6e0 net/kcm/kcmsock.c:533 Modules linked in: CPU: 0 PID: 6868 Comm: syz-executor.0 Not tainted 6.4.0-rc6-next-20230616-syzkaller #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: 32 f8 48 89 ef e8 df b1 ff ff 4c 89 f7 e8 47 02 ce 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 54 e9 32 f8 e8 4f e9 32 f8 <0f> 0b 4c 89 f7 e8 25 02 ce 00 eb dc e8 3e e9 32 f8 0f 0b e9 f0 fe RSP: 0018:ffffc9000314f7c0 EFLAGS: 00010212 RAX: 0000000000001235 RBX: ffff8880841506c0 RCX: ffffc90003ad1000 RDX: 0000000000040000 RSI: ffffffff895178d1 RDI: ffffc9000314f750 RBP: 0000000000000000 R08: 0000000000000001 R09: fffff52000629eea R10: 0000000000000003 R11: 1ffffffff21f5a70 R12: ffff88802cf982c0 R13: ffff8880841506c0 R14: ffff88802cf98480 R15: ffff888084150c58 FS: 00007f16ddeb1700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007b2ca000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcm_write_msgs+0x572/0x14a0 net/kcm/kcmsock.c:699 kcm_sendmsg+0x203a/0x27d0 net/kcm/kcmsock.c:903 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0xde/0x190 net/socket.c:748 ____sys_sendmsg+0x739/0x920 net/socket.c:2494 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2548 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2577 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: 0033:0x7f16dd08c389 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:00007f16ddeb1168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f16dd1abf80 RCX: 00007f16dd08c389 RDX: 0000000000000040 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00007f16dd0d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee02a10df R14: 00007f16ddeb1300 R15: 0000000000022000