------------[ cut here ]------------ kernel BUG at net/phonet/socket.c:213! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4377 Comm: syz.2.27 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_sendmsg+0x223/0x230 net/phonet/socket.c:422 Code: 41 5f 5d c3 e8 7e 74 b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 f7 6e af f8 e9 02 ff ff ff e8 8d 50 6a f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 RSP: 0018:ffffc900035ff9c0 EFLAGS: 00010283 RAX: ffffffff890ea213 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc900041f4000 RSI: 0000000000000088 RDI: 0000000000000089 RBP: ffffc900035ffa70 R08: ffff888075ce0d0b R09: 1ffff1100eb9c1a1 R10: dffffc0000000000 R11: ffffed100eb9c1a2 R12: dffffc0000000000 R13: ffff888074b74800 R14: ffff888075ce0c80 R15: 1ffff920006bff3c FS: 00007fe6903756c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29ca2a5000 CR3: 000000002c1c0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500 __sys_sendmsg net/socket.c:2529 [inline] __do_sys_sendmsg net/socket.c:2538 [inline] __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe69211ce99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe690375028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe6923a4fa0 RCX: 00007fe69211ce99 RDX: 0000000000000004 RSI: 0000200000000540 RDI: 000000000000000b RBP: 00007fe6921b2eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe6923a5038 R14: 00007fe6923a4fa0 R15: 00007ffe235861b8 Modules linked in: ---[ end trace 0143d7cec44e1239 ]--- RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_sendmsg+0x223/0x230 net/phonet/socket.c:422 Code: 41 5f 5d c3 e8 7e 74 b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 f7 6e af f8 e9 02 ff ff ff e8 8d 50 6a f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 RSP: 0018:ffffc900035ff9c0 EFLAGS: 00010283 RAX: ffffffff890ea213 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc900041f4000 RSI: 0000000000000088 RDI: 0000000000000089 RBP: ffffc900035ffa70 R08: ffff888075ce0d0b R09: 1ffff1100eb9c1a1 R10: dffffc0000000000 R11: ffffed100eb9c1a2 R12: dffffc0000000000 R13: ffff888074b74800 R14: ffff888075ce0c80 R15: 1ffff920006bff3c FS: 00007fe6903756c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c34cac1 CR3: 000000002c1c0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400